← Back to patent-cliff list
CAS 86060-81-3
(2R)-3-(Acetamidomethylsulfanyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acidS-(Acetamidomethyl)-N-[[(9H-fluoren-9-yl)methoxy]carbonyl]-L-cysteine
Codes: (Ib)443746-1-a,(Ib)443746-1-b, Atosiban-095
Application context (from source-drug indications)
下丘脑肥胖Setmelanotide Acetate巴德特-别德尔综合征Setmelanotide AcetateObesitySetmelanotide AcetatePrader-Willi综合征Setmelanotide Acetate垂体疾病Setmelanotide Acetate联合性垂体激素缺乏症Setmelanotide Acetate产科分娩（早产）Atosiban acetate早产（孕37周前）Atosiban acetateEndometriosisAtosiban acetate
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Setmelanotide Acetate | Tier C — Watch / trade | - |
| Atosiban acetate | Tier C — Watch / trade | - |
Position in synthesis routes (up/downstream chain)
Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.
(2R)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-[(triphenylmethyl)sulfanyl]propanoic acid→(2R)-3-(Acetamidomethylsulfanyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid→Resin bound S-trityl-L-cysteinamide→Resin bound S-(acetamidomethyl)-L-cysteinamide→(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(1-(tert-butoxycarbonyl)-1H-indol-3-yl)propanoic acid→(2S)-2-({([(9H-Fluoren-9-yl)methyl)oxy]carbonyl}amino)-3-(1H-indol-3-yl)propanoic acid→Resin bound 1-(tert-butoxycarbonyl)-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound L-tryptophyl-S-(acetamidomethyl)-L-cysteinamide→Nalpha-Fmoc-N(im)-trityl-L-histidine→(2S)-2-{[(9H-Fluoren-9-ylmethoxy)carbonyl]amino}-5-[2-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidamido]pentanoic acid→Resin bound N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-1-(tert-butoxycarbonyl)-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-L-tryptophyl-S-(acetamidomethyl)-L-cysteinamide→(2R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-phenylpropanoic acid→Resin bound D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-1-(tert-butoxycarbonyl)-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-L-tryptophyl-S-(acetamidomethyl)-L-cysteinamide→Resin bound 1-(triphenylmethyl)-L-histidyl-D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-1-(tert-butoxycarbonyl)-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound 1-(triphenylmethyl)-L-histidyl-D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound 1-(triphenylmethyl)-L-histidyl-D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-L-tryptophyl-S-(acetamidomethyl)-L-cysteinamide→Resin bound D-alanyl-1-(triphenylmethyl)-L-histidyl-D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-1-(tert-butoxycarbonyl)-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound S-(triphenylmethyl)-L-cysteinyl-D-alanyl-1-(triphenylmethyl)-L-histidyl-D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-1-(tert-butoxycarbonyl)-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-S-(triphenylmethyl)-L-cysteinyl-D-alanyl-1-(triphenylmethyl)-L-histidyl-D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-1-(tert-butoxycarbonyl)-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound N2-acetyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-S-(triphenylmethyl)-L-cysteinyl-D-alanyl-1-(triphenylmethyl)-L-histidyl-D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-1-(tert-butoxycarbonyl)-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide
(2R)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-[(triphenylmethyl)sulfanyl]propanoic acid→(2R)-3-(Acetamidomethylsulfanyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid→Resin bound S-(acetamidomethyl)-L-cysteinamide→(2S)-2-({([(9H-Fluoren-9-yl)methyl)oxy]carbonyl}amino)-3-(1H-indol-3-yl)propanoic acid→Resin bound L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→(2S)-2-{[(9H-Fluoren-9-ylmethoxy)carbonyl]amino}-5-[2-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidamido]pentanoic acid→Resin bound N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound 1-(triphenylmethyl)-L-histidyl-D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-1-(tert-butoxycarbonyl)-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound 1-(triphenylmethyl)-L-histidyl-D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound 1-(triphenylmethyl)-L-histidyl-D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-L-tryptophyl-S-(acetamidomethyl)-L-cysteinamide→(2R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)propanoic acid→Resin bound D-alanyl-1-(triphenylmethyl)-L-histidyl-D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-1-(tert-butoxycarbonyl)-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound D-alanyl-1-(triphenylmethyl)-L-histidyl-D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound D-alanyl-1-(triphenylmethyl)-L-histidyl-D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-L-tryptophyl-S-(acetamidomethyl)-L-cysteinamide→Resin bound S-(triphenylmethyl)-L-cysteinyl-D-alanyl-1-(triphenylmethyl)-L-histidyl-D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-1-(tert-butoxycarbonyl)-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound S-(triphenylmethyl)-L-cysteinyl-D-alanyl-1-(triphenylmethyl)-L-histidyl-D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound S-(acetamidomethyl)-L-cysteinyl-D-alanyl-1-(triphenylmethyl)-L-histidyl-D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-L-tryptophyl-S-(acetamidomethyl)-L-cysteinamide→Resin bound N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-S-(triphenylmethyl)-L-cysteinyl-D-alanyl-1-(triphenylmethyl)-L-histidyl-D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-1-(tert-butoxycarbonyl)-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-S-(triphenylmethyl)-L-cysteinyl-D-alanyl-1-(triphenylmethyl)-L-histidyl-D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide→Resin bound N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-S-(acetamidomethyl)-L-cysteinyl-D-alanyl-1-(triphenylmethyl)-L-histidyl-D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-L-tryptophyl-S-(acetamidomethyl)-L-cysteinamide→Resin bound N2-acetyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-S-(triphenylmethyl)-L-cysteinyl-D-alanyl-1-(triphenylmethyl)-L-histidyl-D-phenylalanyl-N5-[N-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl)carbamimidoyl]-L-ornithyl-L-tryptophyl-S-(triphenylmethyl)-L-cysteinamide
Resin bound glycine→CTC resin bound N5-(tert-butoxycarbonyl)-L-ornithylglycine→CTC resin bound L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycine→S-(Acetamidomethyl)-N-[[(9H-fluoren-9-yl)methoxy]carbonyl]-L-cysteine→CTC resin bouond S-(triphenylmethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycine→CTC resin bound N-(triphenylmethyl)-L-asparaginyl-S-(acetamidomethyl)-L-cysteinyl-L-prolyl-N5-(tert-butoxycarbonyl)-L-ornithylglycine→N-(9H-Fluoren-9-ylmethoxycarbonyl)glycine→N5-(tert-Butoxycarbonyl)-N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-ornithine→N-(9-Fluorenylmethoxycarbonyl)-L-proline→Nalpha-(9-Fluorenylmethoxycarbonyl)-Ngamma-trityl-L-asparagine
Intermediates available on this site
No listed intermediates for this target yet — send an RFQ directly and it will enter our matching pool.
This is a CAS-level registry record: registrations across routes are merged. Supplier offers and buyer demands will be matched on this CAS as the primary key.