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Atosiban acetate
Tier C — Watch / tradeAtosiban acetate
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Originator
2000
First approval
-
Expiry (public)
No sales data
Peak sales
Small molecule
Type
Targets：OT-R
Brand：Antocin, Tractocile
Indications (approved)：产科分娩（早产）, 早产（孕37周前）
Regional status
US
-
EU
Approved
2000-01-20
China
Approved
2006-04-06
Japan
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Factories producing this API4
Factories registered as producing this API in our sourcing network (RFQ records + product master), sorted by RFQ activity; the snapshot carries no cost or customer data.
4 producing factories on file — sign in to view the named list (factory details are not shown to guests).
Sign in to view factories →Synthetic routes & intermediates39 routes
Originator routes × 0Optimised (non-patent) × 39Process routes × 0
Routes are ordered originator first, then optimised / process (non-patent) routes; each lists steps, overall yield and the intermediate table (code / CAS / name) — ready for supplier sourcing and RFQ. Rendered by this site from structured data; no third-party route graphics used.
OptimisedRoute 1Steps 7 · Total yield 104.16g(Atosiban-013)
Atosiban-00129022-11-5Atosiban-002—Atosiban-003—Atosiban-004109425-55-0Atosiban-005—Atosiban-006—Atosiban-00771989-31-6Atosiban-008—Atosiban-009103213-32-7Atosiban-010132388-59-1Atosiban-011—Atosiban-01271989-35-0Atosiban-013—API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-001 | 29022-11-5 | N-(9H-Fluoren-9-ylmethoxycarbonyl)glycine |
| Atosiban-002 | - | Resin bound 9H-fluoren-9-ylmethyl (2-amino-2-oxoethyl)carbamate |
| Atosiban-003 | - | Resin bound glycinamide |
| Atosiban-004 | 109425-55-0 | Fmoc-Orn(Boc)-OH |
| Atosiban-005 | - | Resin bound S-trityl-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamide |
| Atosiban-006 | - | Resin bound N5-(tert-butoxycarbonyl)-L-ornithylglycinamide |
| Atosiban-007 | 71989-31-6 | N-(9-Fluorenylmethoxycarbonyl)-L-proline |
| Atosiban-008 | - | Resin bound L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamide |
| Atosiban-009 | 103213-32-7 | N-[[(9H-Fluoren-9-yl)methoxy]carbonyl]-S-(triphenylmethyl)-L-cysteine |
| Atosiban-010 | 132388-59-1 | N2-[[(9H-Fluoren-9-yl)methoxy]carbonyl]-N-(triphenylmethyl)-L-asparagine |
| Atosiban-011 | - | Resin bound N-trityl-L-asparaginyl-S-trityl-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamide |
| Atosiban-012 | 71989-35-0 | O-tert-Butyl-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-threonine |
| Atosiban-013 | - | Resin bound O-tert-butyl-L-threonyl-N-trityl-L-asparaginyl-S-trityl-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamide |
OptimisedRoute 2Steps 2 · Total yield 10.12(Atosiban-018)
Atosiban-014—Atosiban-01571989-23-6Atosiban-016—Atosiban-017162502-65-0Atosiban-018—API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-014 | - | Resin bound O-tert-butyl-L-threonyl-N-trityl-L-asparaginyl-S-trityl-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamide |
| Atosiban-015 | 71989-23-6 | N-[[(9H-Fluoren-9-yl)methoxy]carbonyl]-L-isoleucine |
| Atosiban-016 | - | Resin bound L-isoleucyl-O-tert-butyl-L-threonyl-N-trityl-L-asparaginyl-S-trityl-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamide |
| Atosiban-017 | 162502-65-0 | O-Ethyl-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-D-tyrosine |
| Atosiban-018 | - | Resin bound N-[(2S,5R)-5-amino-2-[(2S)-butan-2-yl]-6-(4-ethoxyphenyl)-4-oxohexanoyl]-O-tert-butyl-L-threonyl-N-trityl-L-asparaginyl-S-trityl-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamide |
OptimisedRoute 3Steps 5 · Total yield 0.838g(Atosiban-023)
Atosiban-019—Atosiban-020—Atosiban-02127144-18-9Atosiban-022—Atosiban-02390779-69-4API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-019 | - | Resin bound N-[(2S,5S)-2-[(2S)-butan-2-yl]-5-(4-ethoxybenzyl)-4,7-dioxo-9-(tritylsulfanyl)nonanoyl]-O-tert-butyl-L-threonyl-N-trityl-L-asparaginyl-S-trityl-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamid |
| Atosiban-020 | - | Resin bound N-[(2S,5R)-5-amino-2-[(2S)-butan-2-yl]-6-(4-ethoxyphenyl)-4-oxohexanoyl]-O-tert-butyl-L-threonyl-N-trityl-L-asparaginyl-S-trityl-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamide |
| Atosiban-021 | 27144-18-9 | 3-(Tritylsulfanyl)propanoic acid |
| Atosiban-022 | - | Resin bound 1-([(4R,7S,10S,13S,16S)-13-[(2S)-butan-2-yl]-10-[(1R)-1-tert-butoxyethyl]-16-(4-ethoxybenzyl)-6,9,12,15,18-pentaoxo-7-[2-oxo-2-(tritylamino)ethyl]-1,2-dithia-5,8,11-triazacycloicosan-4-yl]carbonyl)-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamide |
| Atosiban-023 | 90779-69-4 | 1-[(4R,7S,10S,13S,16S)-7-(2-Amino-2-oxoethyl)-13-[(2S)-butan-2-yl]-16-[(4-ethoxyphenyl)methyl]-10-[(1R)-1-hydroxyethyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11-triazacycloicosane-4-carbonyl]-L-prolyl-L-ornithylglycinamide<-fgf->1-(3-Mercaptopropanoic acid)-2-(O-ethyl-D-tyrosine)-4-L-threonine-8-L-ornithineoxytocin<-fgf->1-Deamino-2-D-Tyr-(O-ethyl)-4-Thr-8-ornoxytocin |
OptimisedRoute 4Steps 1 · Total yield 15.2g(Atosiban-019)
Atosiban-024—Atosiban-019—Atosiban-020—API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-024 | - | (2S,5S)-2-[(2S)-Butan-2-yl]-5-[(4-ethoxyphenyl)methyl]-4,7-dioxo-9-[(triphenylmethyl)sulfanyl]nonanoic acid |
| Atosiban-019 | - | Resin bound N-[(2S,5S)-2-[(2S)-butan-2-yl]-5-(4-ethoxybenzyl)-4,7-dioxo-9-(tritylsulfanyl)nonanoyl]-O-tert-butyl-L-threonyl-N-trityl-L-asparaginyl-S-trityl-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamid |
| Atosiban-020 | - | Resin bound L-isoleucyl-O-tert-butyl-L-threonyl-N-trityl-L-asparaginyl-S-trityl-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamide |
OptimisedRoute 5Steps 8 · Total yield /
Atosiban-025—Atosiban-0266066-82-6Atosiban-0273401-33-0Atosiban-028147-85-3Atosiban-02983538-50-5Atosiban-03082952-90-7Atosiban-03181252-11-1Atosiban-03242002-18-6Atosiban-0337536-55-2Atosiban-03483538-52-7Atosiban-03532886-43-4Atosiban-03615260-10-3Atosiban-0371632400-54-4API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-025 | - | S-Benzyl-N-(tert-butoxycarbonyl)-L-cysteine |
| Atosiban-026 | 6066-82-6 | 1-Hydroxy-2,5-pyrrolidinedione |
| Atosiban-027 | 3401-33-0 | 2,5-Dioxopyrrolidin-1-yl S-benzyl-N-(tert-butoxycarbonyl)-L-cysteinate |
| Atosiban-028 | 147-85-3 | Pyrrolidine-2(S)-carboxylic acid |
| Atosiban-029 | 83538-50-5 | N2-(tert-Butoxycarbonyl)-L-asparaginyl-S-benzyl-L-cysteinyl-L-proline |
| Atosiban-030 | 82952-90-7 | S-Benzyl-N-(tert-butoxycarbonyl)-L-cysteinyl-L-proline |
| Atosiban-031 | 81252-11-1 | S-Benzyl-L-cysteinyl-L-proline |
| Atosiban-032 | 42002-18-6 | 2,5-Dioxopyrrolidin-1-yl N2-(tert-butoxycarbonyl)-L-asparaginate |
| Atosiban-033 | 7536-55-2 | N2-(tert-Butoxycarbonyl)-L-asparagine |
| Atosiban-034 | 83538-52-7 | L-Asparaginyl-S-benzyl-L-cysteinyl-L-proline trifluoroacetate |
| Atosiban-035 | 32886-43-4 | 2,5-Dioxopyrrolidin-1-yl O-benzyl-N-(tert-butoxycarbonyl)-L-threoninate |
| Atosiban-036 | 15260-10-3 | O-Benzyl-N-(tert-butoxycarbonyl)-L-threonine |
| Atosiban-037 | 1632400-54-4 | O-Benzyl-N-(tert-butoxycarbonyl)-L-threonyl-L-asparaginyl-S-benzyl-L-cysteinyl-L-proline |
OptimisedRoute 6Steps 6 · Total yield /
Atosiban-0381632400-56-6Atosiban-0391632400-61-3Atosiban-040—Atosiban-04113139-16-7Atosiban-0421632400-57-7Atosiban-0431632400-58-8Atosiban-0441632400-62-4Atosiban-0266066-82-6Atosiban-0371632400-54-4API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-038 | 1632400-56-6 | O-Benzyl-L-threonyl-L-asparaginyl-S-benzyl-L-cysteinyl-L-proline trifluoroacetate |
| Atosiban-039 | 1632400-61-3 | 3-(Benzylsulfanyl)-N-[(2R)-3-(4-ethoxyphenyl)-1-hydrazino-1-oxopropan-2-yl]propanamide |
| Atosiban-040 | - | 2,5-Dioxopyrrolidin-1-yl N-(tert-butoxycarbonyl)-L-isoleucinate |
| Atosiban-041 | 13139-16-7 | N-(tert-Butoxycarbonyl)-L-isoleucine |
| Atosiban-042 | 1632400-57-7 | N-(tert-Butoxycarbonyl)-L-isoleucyl-O-benzyl-L-threonyl-L-asparaginyl-S-benzyl-L-cysteinyl-L-proline |
| Atosiban-043 | 1632400-58-8 | L-Isoleucyl-O-benzyl-L-threonyl-L-asparaginyl-S-benzyl-L-cysteinyl-L-proline trifluoroacetate |
| Atosiban-044 | 1632400-62-4 | N-[3-(Benzylsulfanyl)propanoyl]-O-ethyl-D-tyrosyl-L-isoleucyl-O-benzyl-L-threonyl-L-asparaginyl-S-benzyl-L-cysteinyl-L-proline |
| Atosiban-026 | 6066-82-6 | 1-Hydroxy-2,5-pyrrolidinedione |
| Atosiban-037 | 1632400-54-4 | O-Benzyl-N-(tert-butoxycarbonyl)-L-threonyl-L-asparaginyl-S-benzyl-L-cysteinyl-L-proline |
OptimisedRoute 7Steps 2 · Total yield 2.4g(Atosiban-045)
Atosiban-0451632400-63-5Atosiban-04677511-39-8Atosiban-0441632400-62-4API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-045 | 1632400-63-5 | N-[3-(Benzylsulfanyl)propanoyl]-O-ethyl-D-tyrosyl-L-isoleucyl-O-benzyl-L-threonyl-L-asparaginyl-S-benzyl-L-cysteinyl-L-prolyl-N5-[(benzyloxy)carbonyl]-L-ornithylglycinamide |
| Atosiban-046 | 77511-39-8 | N5-[(Benzyloxy)carbonyl]-L-ornithylglycinamide hydrochloride |
| Atosiban-044 | 1632400-62-4 | N-[3-(Benzylsulfanyl)propanoyl]-O-ethyl-D-tyrosyl-L-isoleucyl-O-benzyl-L-threonyl-L-asparaginyl-S-benzyl-L-cysteinyl-L-proline |
OptimisedRoute 8Steps 6 · Total yield 3.5g(Atosiban-039)
Atosiban-047100-39-0Atosiban-048107-96-0Atosiban-0491632400-59-9Atosiban-0502899-66-3Atosiban-0516513-27-5Atosiban-0523410-66-0Atosiban-053556-02-5Atosiban-05475-03-6Atosiban-0551632400-60-2Atosiban-0391632400-61-3API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-047 | 100-39-0 | 1-(Bromomethyl)benzene |
| Atosiban-048 | 107-96-0 | 3-Sulfanylpropanoic acid |
| Atosiban-049 | 1632400-59-9 | Methyl N-[3-(benzylsulfanyl)propanoyl]-D-tyrosinate |
| Atosiban-050 | 2899-66-3 | 3-(Benzylsulfanyl)propanoic acid |
| Atosiban-051 | 6513-27-5 | 3-(Benzylsulfanyl)propanoyl chloride |
| Atosiban-052 | 3410-66-0 | Methyl D-tyrosinate |
| Atosiban-053 | 556-02-5 | 2(R)-Amino-3-(4-hydroxyphenyl)propionic acid |
| Atosiban-054 | 75-03-6Available | 1-Iodoethane |
| Atosiban-055 | 1632400-60-2 | Methyl N-[3-(benzylsulfanyl)propanoyl]-O-ethyl-D-tyrosinate |
| Atosiban-039 | 1632400-61-3 | 3-(Benzylsulfanyl)-N-[(2R)-3-(4-ethoxyphenyl)-1-hydrazino-1-oxopropan-2-yl]propanamide |
OptimisedRoute 9Steps 3 · Total yield 6.9g(Atosiban-057)
Atosiban-056—Atosiban-05716937-92-1Atosiban-0581668-10-6Atosiban-05954539-69-4Atosiban-04677511-39-8API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-056 | - | N5-[(Benzyloxy)carbonyl]-L-ornithine |
| Atosiban-057 | 16937-92-1 | (R)-5-(((benzyloxy)carbonyl)amino)-2-((tert-butoxycarbonyl)amino)pentanoic acid |
| Atosiban-058 | 1668-10-6 | Glycinamide hydrochloride |
| Atosiban-059 | 54539-69-4 | N5-[(Benzyloxy)carbonyl]-N2-(tert-butoxycarbonyl)-L-ornithylglycinamide |
| Atosiban-046 | 77511-39-8 | N5-[(Benzyloxy)carbonyl]-L-ornithylglycinamide hydrochloride |
OptimisedRoute 10Steps 2 · Total yield /
Atosiban-0602409924-13-4Atosiban-06160-18-4Atosiban-06290-60-8Atosiban-063836658-02-7Atosiban-053556-02-5API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-060 | 2409924-13-4 | (E)-N-[(3,5-Dichloro-2-hydroxyphenyl)methylidene]-D-tyrosine (4R,5R)-4,5-diphenyl-4,5-dihydro-1H-imidazol-2-amine |
| Atosiban-061 | 60-18-4 | 2(S)-Amino-3-(4-hydroxyphenyl)propionic acid |
| Atosiban-062 | 90-60-8 | 3,5-Dichloro-2-hydroxybenzaldehyde |
| Atosiban-063 | 836658-02-7 | (4R,5R)-4,5-Diphenyl-4,5-dihydro-1H-imidazol-2-amine |
| Atosiban-053 | 556-02-5 | 2(R)-Amino-3-(4-hydroxyphenyl)propionic acid |
OptimisedRoute 11Steps 8 · Total yield 118.85g(Atosiban-074)
Atosiban-06470-47-3Atosiban-06535146-48-6Atosiban-0661959567-52-2Atosiban-0672799-07-7Atosiban-0681959567-60-2Atosiban-0691959567-50-0Atosiban-0701959567-56-6Atosiban-0711959567-54-4Atosiban-07221887-64-9Atosiban-0731959567-58-8Atosiban-0741959567-64-6Atosiban-028147-85-3API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-064 | 70-47-3 | 2(S),4-Diamino-4-oxobutyric acid |
| Atosiban-065 | 35146-48-6 | N2-(Trifluoroacetyl)-L-asparagine |
| Atosiban-066 | 1959567-52-2 | 2,5-Dioxopyrrolidin-1-yl N2-(trifluoroacetyl)-L-asparaginate |
| Atosiban-067 | 2799-07-7 | (+)-S-Trityl-L-cysteine |
| Atosiban-068 | 1959567-60-2 | 2,5-Dioxopyrrolidin-1-yl N2-(trifluoroacetyl)-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolinate |
| Atosiban-069 | 1959567-50-0 | N2-(Trifluoroacetyl)-L-asparaginyl-S-(triphenylmethyl)-L-cysteine |
| Atosiban-070 | 1959567-56-6 | 2,5-Dioxopyrrolidin-1-yl N2-(trifluoroacetyl)-L-asparaginyl-S-(triphenylmethyl)-L-cysteinate |
| Atosiban-071 | 1959567-54-4 | N2-(Trifluoroacetyl)-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-proline |
| Atosiban-072 | 21887-64-9 | Nalpha-tert-Butoxycarbonyl-L-ornithine |
| Atosiban-073 | 1959567-58-8 | N2-(Trifluoroacetyl)-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithine |
| Atosiban-074 | 1959567-64-6 | 2,5-Dioxopyrrolidin-1-yl N2-(trifluoroacetyl)-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithinate |
| Atosiban-028 | 147-85-3 | (S)-(-)-Proline |
OptimisedRoute 12Steps 3 · Total yield 76.09g(Atosiban-078)
Atosiban-0751959567-62-4Atosiban-0761959567-66-8Atosiban-0771959567-81-7Atosiban-0781959567-79-3Atosiban-0741959567-64-6Atosiban-0581668-10-6API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-075 | 1959567-62-4 | N2-(Trifluoroacetyl)-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamide |
| Atosiban-076 | 1959567-66-8 | L-Asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamide |
| Atosiban-077 | 1959567-81-7 | 2,5-Dioxopyrrolidin-1-yl O-ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-O-tert-butyl-L-threoninate |
| Atosiban-078 | 1959567-79-3 | O-Ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-O-tert-butyl-L-threonyl-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamide |
| Atosiban-074 | 1959567-64-6 | 2,5-Dioxopyrrolidin-1-yl N2-(trifluoroacetyl)-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithinate |
| Atosiban-058 | 1668-10-6 | Glycinamide hydrochloride |
OptimisedRoute 13Steps 2 · Total yield 13.12g((Atosiban)
Atosiban-079960411-86-3Atosiban-0781959567-79-3API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-079 | 960411-86-3 | O-Ethyl-N-(3-sulfanylpropanoyl)-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparaginyl-L-cysteinyl-L-prolyl-L-ornithylglycinamide |
| Atosiban-078 | 1959567-79-3 | O-Ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-O-tert-butyl-L-threonyl-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamide |
OptimisedRoute 14Steps 7 · Total yield 34.93g(Atosiban-080)
Atosiban-0801959567-81-7Atosiban-081129431-12-5Atosiban-0821417694-04-2Atosiban-0831959567-68-0Atosiban-0841959567-73-7Atosiban-08573-32-5Atosiban-0861959567-71-5Atosiban-0871959567-77-1Atosiban-0884378-13-6Atosiban-0891959567-75-9Atosiban-02127144-18-9API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-080 | 1959567-81-7 | 2,5-Dioxopyrrolidin-1-yl O-ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-O-tert-butyl-L-threoninate |
| Atosiban-081 | 129431-12-5 | 1-([3-[(Triphenylmethyl)sulfanyl]propanoyl]oxy)pyrrolidine-2,5-dione |
| Atosiban-082 | 1417694-04-2 | O-Ethyl-D-tyrosine hydrogen chloride |
| Atosiban-083 | 1959567-68-0 | O-Ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosine |
| Atosiban-084 | 1959567-73-7 | 2,5-Dioxopyrrolidin-1-yl O-ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosinate |
| Atosiban-085 | 73-32-5 | 2(S)-Amino-3(S)-methylpentanoic acid |
| Atosiban-086 | 1959567-71-5 | O-Ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucine |
| Atosiban-087 | 1959567-77-1 | 2,5-Dioxopyrrolidin-1-yl O-ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucinate |
| Atosiban-088 | 4378-13-6 | O-tert-Butyl-L-threonine |
| Atosiban-089 | 1959567-75-9 | O-Ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-O-tert-butyl-L-threonine |
| Atosiban-021 | 27144-18-9 | 3-(Tritylsulfanyl)propanoic acid |
OptimisedRoute 15Steps 1 · Total yield /
Atosiban-09079-10-7Atosiban-091107-96-0API · Atosiban acetate
OptimisedRoute 16Steps 5 · Total yield 286g(Atosiban-097)
Atosiban-092—Atosiban-093—Atosiban-094—Atosiban-09586060-81-3Atosiban-096—Atosiban-097—Atosiban-00129022-11-5Atosiban-004109425-55-0Atosiban-00771989-31-6Atosiban-010132388-59-1API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-092 | - | Resin bound glycine |
| Atosiban-093 | - | CTC resin bound N5-(tert-butoxycarbonyl)-L-ornithylglycine |
| Atosiban-094 | - | CTC resin bound L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycine |
| Atosiban-095 | 86060-81-3 | S-(Acetamidomethyl)-N-[[(9H-fluoren-9-yl)methoxy]carbonyl]-L-cysteine |
| Atosiban-096 | - | CTC resin bouond S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycine |
| Atosiban-097 | - | CTC resin bound N-(triphenylmethyl)-L-asparaginyl-S-(acetamidomethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycine |
| Atosiban-001 | 29022-11-5 | N-(9H-Fluoren-9-ylmethoxycarbonyl)glycine |
| Atosiban-004 | 109425-55-0 | N5-(tert-Butoxycarbonyl)-N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-ornithine |
| Atosiban-007 | 71989-31-6 | N-(9-Fluorenylmethoxycarbonyl)-L-proline |
| Atosiban-010 | 132388-59-1 | Nalpha-(9-Fluorenylmethoxycarbonyl)-Ngamma-trityl-L-asparagine |
OptimisedRoute 17Steps 3 · Total yield /
Atosiban-098—Atosiban-099118904-37-3Atosiban-100—Atosiban-101—Atosiban-017162502-65-0Atosiban-01271989-35-0Atosiban-097—API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-098 | - | CTC resin bound O-tert-butyl-L-threonyl-N-(triphenylmethyl)-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycine |
| Atosiban-099 | 118904-37-3 | N-(9H-Fluoren-9-ylmethoxycarbonyl)-D-alloisoleucine |
| Atosiban-100 | - | CTC resin bound L-isoleucyl-O-tert-butyl-L-threonyl-N-(triphenylmethyl)-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycine |
| Atosiban-101 | - | CTC resin bound O-ethyl-D-tyrosyl-L-isoleucyl-O-tert-butyl-L-threonyl-N-(triphenylmethyl)-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycine |
| Atosiban-017 | 162502-65-0 | O-Ethyl-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-D-tyrosine |
| Atosiban-012 | 71989-35-0 | O-tert-Butyl-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-threonine |
| Atosiban-097 | - | CTC resin bound N-(triphenylmethyl)-L-asparaginyl-S-(acetamidomethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycine |
OptimisedRoute 18Steps 2 · Total yield /
Atosiban-102—Atosiban-103—Atosiban-02127144-18-9Atosiban-101—API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-102 | - | O-Ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-O-tert-butyl-L-threonyl-N-(triphenylmethyl)-L-asparaginyl-S-(acetamidomethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycine |
| Atosiban-103 | - | CTC resin bound O-ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-O-tert-butyl-L-threonyl-N-(triphenylmethyl)-L-asparaginyl-S-(acetamidomethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycine |
| Atosiban-021 | 27144-18-9 | 3-(Tritylsulfanyl)propanoic acid |
| Atosiban-101 | - | CTC resin bound O-ethyl-D-tyrosyl-L-isoleucyl-O-tert-butyl-L-threonyl-N-(triphenylmethyl)-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycine |
OptimisedRoute 19Steps 3 · Total yield /
Atosiban-104—Atosiban-105—Atosiban-102—API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-104 | - | O-Ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-O-tert-butyl-L-threonyl-N-(triphenylmethyl)-L-asparaginyl-S-(acetamidomethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamide |
| Atosiban-105 | - | Trifluoroacetic acid O-ethyl-N-(3-sulfanylpropanoyl)-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparaginyl-S-(acetamidomethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamide |
| Atosiban-102 | - | O-Ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-O-tert-butyl-L-threonyl-N-(triphenylmethyl)-L-asparaginyl-S-(acetamidomethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycine |
OptimisedRoute 20Steps 5 · Total yield /
Atosiban-1061281969-13-8Atosiban-107—Atosiban-1081281969-12-7Atosiban-1091281969-14-9Atosiban-1101533449-31-8Atosiban-004109425-55-0Atosiban-0581668-10-6API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-106 | 1281969-13-8 | N5-(tert-Butoxycarbonyl)-N2-[[(9H-fluoren-9-yl)methoxy]carbonyl]-L-ornithylglycinamide |
| Atosiban-107 | - | N5-(tert-Butoxycarbonyl)-L-ornithylglycinamide |
| Atosiban-108 | 1281969-12-7 | O-Ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-L-threonyl-N-(triphenylmethyl)-L-asparaginyl-S-(acetamidomethyl)-L-cysteinyl-L-proline |
| Atosiban-109 | 1281969-14-9 | O-Ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-L-threonyl-N-(triphenylmethyl)-L-asparaginyl-S-(acetamidomethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamide |
| Atosiban-110 | 1533449-31-8 | O-Ethyl-N-(3-sulfanylpropanoyl)-yITNS-(acetamidomethyl)-CPL-ornithylG-NH2 trifluoroacetic acid |
| Atosiban-004 | 109425-55-0 | N5-(tert-Butoxycarbonyl)-N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-ornithine |
| Atosiban-058 | 1668-10-6 | 2-Aminoacetamide hydrochloride |
OptimisedRoute 21Steps 2 · Total yield /
Atosiban-1111281969-15-0Atosiban-1101533449-31-8API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-111 | 1281969-15-0 | O-Ethyl-N-(3-sulfanylpropanoyl)-yITNCP-L-ornithyl-G-NH2 S-3.1-S-3.5-cyclic peptide trifluoroacetic acid |
| Atosiban-110 | 1533449-31-8 | O-Ethyl-N-(3-sulfanylpropanoyl)-yITNS-(acetamidomethyl)-CPL-ornithylG-NH2 trifluoroacetic acid |
OptimisedRoute 22Steps 5 · Total yield /
Atosiban-112147983-27-5Atosiban-1131442373-66-1Atosiban-114769893-08-5Atosiban-115—Atosiban-116132388-68-2Atosiban-1171281969-11-6Atosiban-118—Atosiban-119—Atosiban-120—Atosiban-1211281969-10-5Atosiban-122—Atosiban-123—Atosiban-1081281969-12-7API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-112 | 147983-27-5 | Methyl S-(acetamidomethyl)-N-(tert-butoxycarbonyl)-L-cysteinyl-L-prolinate |
| Atosiban-113 | 1442373-66-1 | Prop-2-en-1-yl S-(acetamidomethyl)-N-(tert-butoxycarbonyl)-L-cysteinyl-L-prolinate |
| Atosiban-114 | 769893-08-5 | Methyl S-(acetamidomethyl)-L-cysteinyl-L-prolinate |
| Atosiban-115 | - | Prop-2-en-1-yl S-(acetamidomethyl)-L-cysteinyl-L-prolinate |
| Atosiban-116 | 132388-68-2 | N2-(tert-Butoxycarbonyl)-N-(triphenylmethyl)-L-asparagine |
| Atosiban-117 | 1281969-11-6 | Methyl N2-(tert-butoxycarbonyl)-N-(triphenylmethyl)-L-asparaginyl-S-(acetamidomethyl)-L-cysteinyl-L-prolinate |
| Atosiban-118 | - | Prop-2-en-1-yl N2-(ethoxycarbonyl)-N-(triphenylmethyl)-L-asparaginyl-S-(acetamidomethyl)-L-cysteinyl-L-prolinate |
| Atosiban-119 | - | Trifluoroacetic acid methyl N-(triphenylmethyl)-L-asparaginyl-S-(acetamidomethyl)-L-cysteinyl-L-prolinate |
| Atosiban-120 | - | Trifluoroacetic acid prop-2-en-1-yl N-(triphenylmethyl)-L-asparaginyl-S-(acetamidomethyl)-L-cysteinyl-L-prolinate |
| Atosiban-121 | 1281969-10-5 | O-Ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-L-threonine |
| Atosiban-122 | - | Methyl O-ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-L-threonyl-N-(triphenylmethyl)-L-asparaginyl-S-(acetamidomethyl)-L-cysteinyl-L-prolinate |
| Atosiban-123 | - | Prop-2-en-1-yl O-ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-L-threonyl-N-(triphenylmethyl)-L-asparaginyl-S-(acetamidomethyl)-L-cysteinyl-L-prolinate |
| Atosiban-108 | 1281969-12-7 | O-Ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-L-threonyl-N-(triphenylmethyl)-L-asparaginyl-S-(acetamidomethyl)-L-cysteinyl-L-proline |
OptimisedRoute 23Steps 8 · Total yield /
Atosiban-12459587-52-9Atosiban-12572-19-5Atosiban-12639994-75-7Atosiban-12754793-64-5Atosiban-12876757-92-1Atosiban-1291281969-09-2Atosiban-130—Atosiban-131—Atosiban-1211281969-10-5Atosiban-02127144-18-9Atosiban-04113139-16-7API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-124 | 59587-52-9 | Methyl N-(tert-butoxycarbonyl)-L-isoleucyl-L-threoninate |
| Atosiban-125 | 72-19-5 | L-Threonine |
| Atosiban-126 | 39994-75-7 | Methyl L-threoninate hydrogen chloride |
| Atosiban-127 | 54793-64-5 | Methyl L-isoleucyl-L-threoninate |
| Atosiban-128 | 76757-92-1 | N-(tert-Butoxycarbonyl)-O-ethyl-D-tyrosine |
| Atosiban-129 | 1281969-09-2 | Methyl N-(tert-butoxycarbonyl)-O-ethyl-D-tyrosyl-L-isoleucyl-L-threoninate |
| Atosiban-130 | - | Methyl O-ethyl-D-tyrosyl-L-isoleucyl-L-threoninate |
| Atosiban-131 | - | Methyl O-ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-L-threoninate |
| Atosiban-121 | 1281969-10-5 | O-Ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-L-threonine |
| Atosiban-021 | 27144-18-9 | S-(Trityl)-mercapto propionic acid |
| Atosiban-041 | 13139-16-7 | N-(tert-Butoxycarbonyl)-L-isoleucine |
OptimisedRoute 24Steps 4 · Total yield /
Atosiban-13219746-37-3Atosiban-13315761-39-4Atosiban-134139614-61-2Atosiban-1131442373-66-1Atosiban-028147-85-3API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-132 | 19746-37-3 | S-(Acetamidomethyl)-N-(tert-butoxycarbonyl)-L-cysteine |
| Atosiban-133 | 15761-39-4 | N-Boc-L-proline |
| Atosiban-134 | 139614-61-2 | 1-tert-Butyl 2-prop-2-en-1-yl (2S)-pyrrolidine-1,2-dicarboxylate |
| Atosiban-113 | 1442373-66-1 | Prop-2-en-1-yl S-(acetamidomethyl)-N-(tert-butoxycarbonyl)-L-cysteinyl-L-prolinate |
| Atosiban-028 | 147-85-3 | Pyrrolidine-2(S)-carboxylic acid |
OptimisedRoute 25Steps 2 · Total yield /
Atosiban-135—Atosiban-02390779-69-4Atosiban-019—API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-135 | - | N-[(2S,5S)-2-[(2S)-Butan-2-yl]-5-[(4-ethoxyphenyl)methyl]-4,7-dioxo-9-sulfanylnonanoyl]-L-threonyl-L-asparaginyl-L-cysteinyl-L-prolyl-L-ornithylglycinamide |
| Atosiban-023 | 90779-69-4 | 1-[(4R,7S,10S,13S,16S)-7-(2-Amino-2-oxoethyl)-13-[(2S)-butan-2-yl]-16-[(4-ethoxyphenyl)methyl]-10-[(1R)-1-hydroxyethyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11-triazacycloicosane-4-carbonyl]-L-prolyl-L-ornithylglycinamide<-fgf->1-(3-Mercaptopropanoic acid)-2-(O-ethyl-D-tyrosine)-4-L-threonine-8-L-ornithineoxytocin<-fgf->1-Deamino-2-D-Tyr-(O-ethyl)-4-Thr-8-ornoxytocin |
| Atosiban-019 | - | Resin bound N-[(2S,5S)-2-[(2S)-butan-2-yl]-5-(4-ethoxybenzyl)-4,7-dioxo-9-(tritylsulfanyl)nonanoyl]-O-tert-butyl-L-threonyl-N-trityl-L-asparaginyl-S-trityl-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamid |
OptimisedRoute 26Steps 9 · Total yield /
Atosiban-136—Atosiban-137598-41-4Atosiban-138—Atosiban-139—Atosiban-140—Atosiban-141—Atosiban-14271989-16-7Atosiban-143—Atosiban-144—Atosiban-145—Atosiban-00771989-31-6Atosiban-07221887-64-9Atosiban-009103213-32-7API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-136 | - | 1-[[(9H-Fluoren-9-yl)methoxy]carbonyl]-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithine |
| Atosiban-137 | 598-41-4 | Glycinamide |
| Atosiban-138 | - | Resin bound S-(triphenylmethyl)-L-cysteinyl-L-prolyl-L-ornithylglycinamide |
| Atosiban-139 | - | 1-[[(9H-Fluoren-9-yl)methoxy]carbonyl]-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycinamide |
| Atosiban-140 | - | 1-[[(9H-Fluoren-9-yl)methoxy]carbonyl]-L-prolyl-L-ornithylglycinamide |
| Atosiban-141 | - | Resin bound L-prolyl-L-ornithylglycinamide |
| Atosiban-142 | 71989-16-7 | N2-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-asparagine |
| Atosiban-143 | - | Resin bound L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-L-ornithylglycinamide |
| Atosiban-144 | - | N-[[(9H-Fluoren-9-yl)methoxy]carbonyl]-L-threonine |
| Atosiban-145 | - | Resin bound L-threonyl-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-L-ornithylglycinamide |
| Atosiban-007 | 71989-31-6 | N-(9-Fluorenylmethoxycarbonyl)-L-proline<-fgf->1-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-proline |
| Atosiban-072 | 21887-64-9 | N5-(tert-Butoxycarbonyl)-L-ornithine<-fgf->Nalpha-tert-Butoxycarbonyl-L-ornithine<-fgf->Nalpha-Boc-L-ornithine<-fgf->N2-Boc-L-ornithine<-fgf->(2S)-5-Amino-2-{[(tert-butoxy)carbonyl]amino}pentanoic acid |
| Atosiban-009 | 103213-32-7 | N-(9-Fluorenylmethoxycarbonyl)-S-trityl-L-cysteine<-fgf->N-[[(9H-Fluoren-9-yl)methoxy]carbonyl]-S-(triphenylmethyl)-L-cysteine |
OptimisedRoute 27Steps 3 · Total yield /
Atosiban-146—Atosiban-147—Atosiban-148—Atosiban-02127144-18-9Atosiban-145—Atosiban-01571989-23-6Atosiban-017162502-65-0API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-146 | - | Resin bound O-ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-L-ornithylglycinamide |
| Atosiban-147 | - | Resin bound L-isoleucyl-L-threonyl-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-L-ornithylglycinamide |
| Atosiban-148 | - | Resin bound O-ethyl-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-L-ornithylglycinamide |
| Atosiban-021 | 27144-18-9 | S-(Trityl)-mercapto propionic acid |
| Atosiban-145 | - | Resin bound L-threonyl-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-L-ornithylglycinamide |
| Atosiban-015 | 71989-23-6 | N-[[(9H-Fluoren-9-yl)methoxy]carbonyl]-L-isoleucine |
| Atosiban-017 | 162502-65-0 | O-Ethyl-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-D-tyrosine |
OptimisedRoute 28Steps 2 · Total yield /
Atosiban-079960411-86-3Atosiban-02390779-69-4Atosiban-146—API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-079 | 960411-86-3 | O-Ethyl-N-(3-sulfanylpropanoyl)-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparaginyl-L-cysteinyl-L-prolyl-L-ornithylglycinamide |
| Atosiban-023 | 90779-69-4 | 1-[(4R,7S,10S,13S,16S)-7-(2-Amino-2-oxoethyl)-13-[(2S)-butan-2-yl]-16-[(4-ethoxyphenyl)methyl]-10-[(1R)-1-hydroxyethyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11-triazacycloicosane-4-carbonyl]-L-prolyl-L-ornithylglycinamide<-fgf->1-(3-Mercaptopropanoic acid)-2-(O-ethyl-D-tyrosine)-4-L-threonine-8-L-ornithineoxytocin<-fgf->1-Deamino-2-D-Tyr-(O-ethyl)-4-Thr-8-ornoxytocin |
| Atosiban-146 | - | Resin bound O-ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-L-ornithylglycinamide |
OptimisedRoute 29Steps 3 · Total yield /
Atosiban-149—Atosiban-150—Atosiban-141—Atosiban-14271989-16-7Atosiban-143—API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-149 | - | S-(Triphenylmethyl)-L-cysteine |
| Atosiban-150 | - | N2-[[(9H-Fluoren-9-yl)methoxy]carbonyl]-L-asparaginyl-S-(triphenylmethyl)-L-cysteine |
| Atosiban-141 | - | Resin bound L-prolyl-L-ornithylglycinamide |
| Atosiban-142 | 71989-16-7 | N2-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-asparagine |
| Atosiban-143 | - | Resin bound L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-L-ornithylglycinamide |
OptimisedRoute 30Steps 3 · Total yield /
Atosiban-151—Atosiban-145—Atosiban-017162502-65-0Atosiban-148—Atosiban-08573-32-5API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-151 | - | O-Ethyl-N-[[(9H-fluoren-9-yl)methoxy]carbonyl]-D-tyrosyl-L-isoleucine |
| Atosiban-145 | - | Resin bound L-threonyl-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-L-ornithylglycinamide |
| Atosiban-017 | 162502-65-0 | O-Ethyl-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-D-tyrosine |
| Atosiban-148 | - | Resin bound O-ethyl-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-L-ornithylglycinamide |
| Atosiban-085 | 73-32-5 | (2S,3S)-2-Amino-3-methylpentanoic acid |
OptimisedRoute 31Steps 3 · Total yield /
Atosiban-152—Atosiban-0831959567-68-0Atosiban-146—Atosiban-147—Atosiban-02127144-18-9API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-152 | - | O-Ethyl-D-tyrosine |
| Atosiban-083 | 1959567-68-0 | O-Ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosine |
| Atosiban-146 | - | Resin bound O-ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-L-ornithylglycinamide |
| Atosiban-147 | - | Resin bound L-isoleucyl-L-threonyl-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-L-ornithylglycinamide |
| Atosiban-021 | 27144-18-9 | S-(Trityl)-mercapto propionic acid |
OptimisedRoute 32Steps 7 · Total yield /
Atosiban-153—Atosiban-154—Atosiban-155—Atosiban-156—Atosiban-157—Atosiban-158—Atosiban-159—Atosiban-16073731-37-0Atosiban-161—Atosiban-14271989-16-7Atosiban-00771989-31-6Atosiban-009103213-32-7Atosiban-00129022-11-5API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-153 | - | Resin bound 9H-fluoren-9-ylmethyl (2-amino-2-oxoethyl)carbamate |
| Atosiban-154 | - | Resin bound Gly-NH |
| Atosiban-155 | - | N5-[1-(4,4-Dimethyl-2,6-dioxocyclohexylidene)ethyl]-N2-[[(9H-fluoren-9-yl)methoxy]carbonyl]-L-ornithine |
| Atosiban-156 | - | Resin bound S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-[1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl]-L-ornithylglycinamide |
| Atosiban-157 | - | Resin bound Orn(Dde)-Gly-NH |
| Atosiban-158 | - | Resin bound L-prolyl-N5-[1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl]-L-ornithylglycinamide |
| Atosiban-159 | - | Resin bound Asn-Cys(Trt)-Pro-Orn(Dde)-Gly-NH |
| Atosiban-160 | 73731-37-0 | N-alpha-Fmoc-L-threonine<-fgf->N-(9H-Fluoren-9-ylmethoxycarbonyl)-L-threonine |
| Atosiban-161 | - | Resin bound Thr-Asn-Cys(Trt)-Pro-Orn(Dde)-Gly |
| Atosiban-142 | 71989-16-7 | N2-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-asparagine |
| Atosiban-007 | 71989-31-6 | N-(9-Fluorenylmethoxycarbonyl)-L-proline |
| Atosiban-009 | 103213-32-7 | N-(9-Fluorenylmethoxycarbonyl)-S-trityl-L-cysteine |
| Atosiban-001 | 29022-11-5 | N-(9H-Fluoren-9-ylmethoxycarbonyl)glycine |
OptimisedRoute 33Steps 3 · Total yield /
Atosiban-162—Atosiban-163—Atosiban-164—Atosiban-02127144-18-9Atosiban-161—Atosiban-01571989-23-6Atosiban-017162502-65-0API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-162 | - | Resin bound O-ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-[1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl]-L-ornithylglycinamide<-fgf->Resin bound Mpa(Trt)-D-Tyr(Et)-Ile-Thr-Asn-Cys( Trt)-Pro-Orn(Dde)-Gly |
| Atosiban-163 | - | Resin bound Ile-Thr-Asn-Cys( Trt)-Pro-Orn(Dde)-Gly |
| Atosiban-164 | - | Resin bound O-ethyl-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-[1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl]-L-ornithylglycinamide<-fgf->Resin bound D-Tyr(Et)-Ile-Thr-Asn-Cys(Trt)-Pro-Orn(Dde)-Gly |
| Atosiban-021 | 27144-18-9 | 3-(Tritylsulfanyl)propanoic acid |
| Atosiban-161 | - | Resin bound Thr-Asn-Cys(Trt)-Pro-Orn(Dde)-Gly |
| Atosiban-015 | 71989-23-6 | N-[[(9H-Fluoren-9-yl)methoxy]carbonyl]-L-isoleucine |
| Atosiban-017 | 162502-65-0 | O-Ethyl-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-D-tyrosine |
OptimisedRoute 34Steps 2 · Total yield /
Atosiban-165—Atosiban-111—Atosiban-162—Atosiban-146—API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-165 | - | Resin bound 1-[(4R,7S,10S,13S,16R)-7-(2-amino-2-oxoethyl)-13-[(2S)-butan-2-yl]-16-[(4-ethoxyphenyl)methyl]-10-[(1R)-1-hydroxyethyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carbonyl]-L-prolyl-L-ornithylglycinamide |
| Atosiban-111 | - | 1-[(4R,7S,10S,13S,16R)-7-(2-Amino-2-oxoethyl)-13-[(2S)-butan-2-yl]-16-[(4-ethoxyphenyl)methyl]-10-[(1R)-1-hydroxyethyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carbonyl]-L-prolyl-L-ornithylglycinamide |
| Atosiban-162 | - | Resin bound O-ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-[1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl]-L-ornithylglycinamide<-fgf->Resin bound Mpa(Trt)-D-Tyr(Et)-Ile-Thr-Asn-Cys( Trt)-Pro-Orn(Dde)-Gly |
| Atosiban-146 | - | Resin bound O-ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-L-ornithylglycinamide<-fgf->Resin bound Mpa(Trt)-D-Tyr(Et)-Ile-Thr-Asn-Cys(Trt)-Pro-Orn-Gly |
OptimisedRoute 35Steps 3 · Total yield /
Atosiban-166—Atosiban-167—Atosiban-154—Atosiban-00771989-31-6Atosiban-158—API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-166 | - | N5-[1-(4,4-Dimethyl-2,6-dioxocyclohexylidene)ethyl]-L-ornithine |
| Atosiban-167 | - | 1-[[(9H-Fluoren-9-yl)methoxy]carbonyl]-L-prolyl-N5-[1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl]-L-ornithine |
| Atosiban-154 | - | Resin bound Gly-NH |
| Atosiban-007 | 71989-31-6 | N-(9-Fluorenylmethoxycarbonyl)-L-proline |
| Atosiban-158 | - | Resin bound L-prolyl-N5-[1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl]-L-ornithylglycinamide |
OptimisedRoute 36Steps 3 · Total yield /
Atosiban-168—Atosiban-156—Atosiban-157—Atosiban-009103213-32-7Atosiban-028147-85-3API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-168 | - | N-[[(9H-Fluoren-9-yl)methoxy]carbonyl]-S-(triphenylmethyl)-L-cysteinyl-L-proline |
| Atosiban-156 | - | Resin bound S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-[1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl]-L-ornithylglycinamide |
| Atosiban-157 | - | Resin bound Orn(Dde)-Gly-NH |
| Atosiban-009 | 103213-32-7 | N-(9-Fluorenylmethoxycarbonyl)-S-trityl-L-cysteine |
| Atosiban-028 | 147-85-3 | (S)-(-)-Proline |
OptimisedRoute 37Steps 3 · Total yield /
Atosiban-169—Atosiban-170—Atosiban-158—Atosiban-14271989-16-7Atosiban-159—API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-169 | - | S-(Triphenylmethyl)-L-cysteine |
| Atosiban-170 | - | N2-[[(9H-Fluoren-9-yl)methoxy]carbonyl]-L-asparaginyl-S-(triphenylmethyl)-L-cysteine |
| Atosiban-158 | - | Resin bound L-prolyl-N5-[1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl]-L-ornithylglycinamide |
| Atosiban-142 | 71989-16-7 | N2-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-asparagine |
| Atosiban-159 | - | Resin bound Asn-Cys(Trt)-Pro-Orn(Dde)-Gly-NH |
OptimisedRoute 38Steps 3 · Total yield /
Atosiban-171—Atosiban-161—Atosiban-017162502-65-0Atosiban-164—Atosiban-08573-32-5API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-171 | - | O-Ethyl-N-[[(9H-fluoren-9-yl)methoxy]carbonyl]-D-tyrosyl-L-isoleucine |
| Atosiban-161 | - | Resin bound Thr-Asn-Cys(Trt)-Pro-Orn(Dde)-Gly<-fgf->Resin bound L-threonyl-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-[1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl]-L-ornithylglycinamide |
| Atosiban-017 | 162502-65-0 | O-Ethyl-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-D-tyrosine |
| Atosiban-164 | - | Resin bound O-ethyl-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-[1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl]-L-ornithylglycinamide<-fgf->Resin bound D-Tyr(Et)-Ile-Thr-Asn-Cys(Trt)-Pro-Orn(Dde)-Gly |
| Atosiban-085 | 73-32-5 | 2(S)-Amino-3(S)-methylpentanoic acid<-fgf->(2S,3S)-2-Amino-3-methylpentanoic acid |
OptimisedRoute 39Steps 3 · Total yield /
Atosiban-172—Atosiban-0831959567-68-0Atosiban-162—Atosiban-163—Atosiban-02127144-18-9API · Atosiban acetate
| Code | CAS No. | Intermediate |
|---|---|---|
| Atosiban-172 | - | O-Ethyl-D-tyrosine |
| Atosiban-083 | 1959567-68-0 | O-Ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosine |
| Atosiban-162 | - | Resin bound O-ethyl-N-[3-[(triphenylmethyl)sulfanyl]propanoyl]-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparaginyl-S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-[1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl]-L-ornithylglycinamide<-fgf->Resin bound Mpa(Trt)-D-Tyr(Et)-Ile-Thr-Asn-Cys( Trt)-Pro-Orn(Dde)-Gly |
| Atosiban-163 | - | Resin bound Ile-Thr-Asn-Cys( Trt)-Pro-Orn(Dde)-Gly |
| Atosiban-021 | 27144-18-9 | 3-(Tritylsulfanyl)propanoic acid |
Frequently asked questions
What are the approved indications of Atosiban acetate?
Approved indications include: 产科分娩（早产）, 早产（孕37周前）.
When does the Atosiban acetate patent expire?
No public expiry year is available for Atosiban acetate yet; this page updates once verified.
How many synthesis routes are recorded for Atosiban acetate?
39 synthesis routes are recorded; the shortest is 1 steps with 15.2g(Atosiban-019) total yield. Intermediates in each route carry codes and CAS numbers.
Where can I buy Atosiban acetate intermediates?
1 intermediate CAS of Atosiban acetate are available through the Unibest supply network — see the route tables on this page and request a quote per CAS.
How do I get a quote for Atosiban acetate intermediates?
Open the CAS profile of the target intermediate from this page, or submit an RFQ directly — the CAS enters the matching flow automatically and the supply network responds with quotes.
Source: cross-verified data (structured fields only) · 2026-09-29