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CAS 107-19-7

prop-2-yn-1-ol3-Hydroxy-1-propyne

Codes: RIBO-004, (II)101438-75-a, (IX)169995-1-a, (X)169995-4-a, (VII)169995-8-a, DARU-002, CINA-002

Application context (from source-drug indications)

Breast cancerRibociclib SuccinateBreast cancerPaclitaxel/Encequidar mesylateAdenocarcinomaPaclitaxel/Encequidar mesylateAngiosarcomaPaclitaxel/Encequidar mesylateSolid tumourPaclitaxel/Encequidar mesylateContraceptionDrospirenoneStomatitis, aphthousDrospirenonePremenstrual dysphoric disorderDrospirenonePremenstrual syndromeDrospirenoneDysmenorrhoeaDrospirenoneDepressionDrospirenoneHIV infectionDarunavir Ethanolate/RitonavirHIV infectionDarunavir Ethanolate/CobicistatHIV infectionDarunavir EthanolatePancreatic cancerPaclitaxelNon-small cell lung cancerPaclitaxelHodgkin's diseasePaclitaxelSeminomaPaclitaxelOvarian cancerPaclitaxelBreast cancerPaclitaxelHypercalcaemiaCinacalcet HydrochlorideSecondary hyperparathyroidismCinacalcet HydrochlorideHyperparathyroidismCinacalcet HydrochloridePrimary hyperparathyroidismCinacalcet HydrochlorideChronic renal impairmentCinacalcet HydrochlorideCardiogenic oedemaCinacalcet Hydrochloride

Source drugs (routes using this intermediate)

DrugTierExpiry
Ribociclib SuccinateTier A — Act now2029
Paclitaxel/Encequidar mesylateTier C — Watch / trade-
DrospirenoneTier C — Watch / trade-
Darunavir Ethanolate/RitonavirTier C — Watch / trade-
Darunavir Ethanolate/CobicistatTier C — Watch / trade-
Darunavir EthanolateTier B — Position early-
PaclitaxelTier B — Position early-
Cinacalcet HydrochlorideTier B — Position early-

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.

Paclitaxel/Encequidar mesylateOptimised routesteps: 10total yield: /
3,3,7,7,9-Pentamethyl-1,5-dioxaspiro[5.5]undec-8-en-8-yl trifluoromethanesulfonate→3-Hydroxy-1-propyne→3-(3,3,7,7,9-Pentamethyl-1,5-dioxaspiro[5.5]undec-8-en-8-yl)prop-2-yn-1-ol→3-[(1Z)-3-Hydroxyprop-1-en-1-yl]-2,2,4-trimethylcyclohex-3-en-1-one→(R*)-[(1R*)-3-(Z)-[3-[[tert-Butyl(dimethyl)silyl]oxy]prop-1-en-1-yl]-2,2,4-trimethyl-1-[(trimethylsilyl)oxy]cyclohex-3-en-1-yl](6-ethenyl-6-methylcyclohex-1-en-1-yl)methanol→3-[(1Z)-3-[[tert-Butyl(dimethyl)silyl]oxy]prop-1-en-1-yl]-2,2,4-trimethylcyclohex-3-en-1-one→3-[(1Z)-3-[[tert-Butyl(dimethyl)silyl]oxy]prop-1-en-1-yl]-2,2,4-trimethyl-1-[(trimethylsilyl)oxy]cyclohex-3-ene-1-carbonitrile→3-[(1Z)-3-[[tert-Butyl(dimethyl)silyl]oxy]prop-1-en-1-yl]-2,2,4-trimethyl-1-[(trimethylsilyl)oxy]cyclohex-3-ene-1-carbaldehyde→N'-(2-Ethenyl-2-methylcyclohexylidene)-2,4,6-tri(propan-2-yl)benzene-1-sulfonohydrazide→(1S*)-1-[(S*)-(6-Ethenyl-6-methylcyclohex-1-en-1-yl)(hydroxy)methyl]-3-[3-hydroxyprop-1-en-1-yl]-2,2,4-trimethylcyclohex-3-en-1-ol→3-[(4S*,5S*)-4-(6-Ethenyl-6-methylcyclohex-1-en-1-yl)-6,6,8-trimethyl-2-oxo-1,3-dioxaspiro[4.5]dec-7-en-7-yl]prop-2-en-1-yl 1H-imidazole-1-carboxylate→(4S*,5S*)-4-(6-Ethenyl-6-methylcyclohex-1-en-1-yl)-7-[3-hydroxyprop-1-en-1-yl]-6,6,8-trimethyl-1,3-dioxaspiro[4.5]dec-7-en-2-one→(4S*,5S*)-4-(6-Ethenyl-6-methylcyclohex-1-en-1-yl)-6,6,8-trimethyl-7-[(1E)-3-[(prop-2-en-1-yl)oxy]prop-1-en-1-yl]-1,3-dioxaspiro[4.5]dec-7-en-2-one
DrospirenoneOptimised routesteps: 11total yield: /
(2S,4aR,4bS,6aS,7aS,8aS,8bR,8cR)-2-Hydroxy-4a,6a-dimethyl-2,3,4,4a,4b,5,6,6a,7a,8,8a,8b,8c,9-tetradecahydrocyclopropa[4,5]cyclopenta[1,2-a]phenanthren-7(1H)-one→(2S,4aR,4bS,6aS,7aS,8aS,8bS,8cR,9R)-2,9-Dihydroxy-4a,6a-dimethyl-2,3,4,4a,4b,5,6,6a,7a,8,8a,8b,8c,9-tetradecahydrocyclopropa[4,5]cyclopenta[1,2-a]phenanthren-7(1H)-one→(2S,4aR,4bS,6aS,7aS,8aS,8bS,8cR,9R)-9-Hydroxy-4a,6a-dimethyl-7-oxo-1,2,3,4,4a,4b,5,6,6a,7,7a,8,8a,8b,8c,9-hexadecahydrocyclopropa[4,5]cyclopenta[1,2-a]phenanthren-2-yl 2,2-dimethylpropanoate→(1aS,3S,5aR,5bS,7aS,8aS,9aS,9bS,9cR,10R,10aR)-10-Hydroxy-5a,7a-dimethyl-8-oxohexadecahydro-2H-cyclopropa[4',5']cyclopenta[1',2':1,2]phenanthro[8a,9-b]oxiren-3-yl 2,2-dimethylpropanoate→(1aS,3S,5aR,5bS,7aS,8aS,9aS,9bS,9cR,10S,10aS)-10-Chloro-5a,7a-dimethyl-8-oxohexadecahydro-2H-cyclopropa[4',5']cyclopenta[1',2':1,2]phenanthro[8a,9-b]oxiren-3-yl 2,2-dimethylpropanoate→(2S,4aR,4bS,6aS,7aS,8aS,8bS,8cR,10aR)-10a-Hydroxy-4a,6a-dimethyl-7-oxo-1,2,3,4,4a,4b,5,6,6a,7,7a,8,8a,8b,8c,10a-hexadecahydrocyclopropa[4,5]cyclopenta[1,2-a]phenanthren-2-yl 2,2-dimethylpropanoate→(2S,4aR,4bS,6aS,7aS,8aS,8bS,8cR,10aR)-2,10a-Dihydroxy-4a,6a-dimethyl-2,3,4,4a,4b,5,6,6a,7a,8,8a,8b,8c,10a-tetradecahydrocyclopropa[4,5]cyclopenta[1,2-a]phenanthren-7(1H)-one→(1aR,1bR,3S,5aR,5bS,7aS,8aS,9aS,9bS,9cR,9dR)-1b,3-Dihydroxy-5a,7a-dimethylperhydrocyclopropa[4,5]cyclopenta[1,2-a]cyclopropa[l]phenanthren-8-one→3-Hydroxy-1-propyne→(1aR,1bR,3S,5aR,5bS,7aS,8S,8aS,9aS,9bS,9cR,9dR)-8-(3-Hydroxyprop-1-yn-1-yl)-5a,7a-dimethyloctadecahydro-1bH-cyclopropa[4,5]cyclopenta[1,2-a]cyclopropa[l]phenanthrene-1b,3,8-triol→(1aR,1bR,3S,5aR,5bS,7aS,8S,8aS,9aS,9bS,9cR,9dR)-8-(3-Hydroxypropyl)-5a,7a-dimethyloctadecahydro-1bH-cyclopropa[4,5]cyclopenta[1,2-a]cyclopropa[l]phenanthrene-1b,3,8-triol→(1R,2R,4R,5R,10R,11S,14S,15S,16S,18S,19S)-5-Hydroxy-10,14-dimethylspiro[hexacyclo[9.8.0.0(2,4).0(5,10).0(14,19).0(16,18)]nonadecane-15,2'-oxolane]-5',7-dione→1-Bromanyl-3-methoxy-propane→(3-Methoxypropyl)lithium→(1aR,1bR,3S,5aR,5bS,7aS,8S,8aS,9aS,9bS,9cR,9dR)-8-(3-Methoxypropyl)-5a,7a-dimethyloctadecahydro-1bH-cyclopropa[4,5]cyclopenta[1,2-a]cyclopropa[l]phenanthrene-1b,3,8-triol
DrospirenoneOptimised routesteps: 11total yield: /
(2S,4aR,4bS,6aS,7aS,8aS,8bR,8cR)-2-Hydroxy-4a,6a-dimethyl-2,3,4,4a,4b,5,6,6a,7a,8,8a,8b,8c,9-tetradecahydrocyclopropa[4,5]cyclopenta[1,2-a]phenanthren-7(1H)-one→(3S,5S,7S,11R,14S)-7,11-dimethyl-6-oxopentacyclo[8.8.0.0(2,7).0(3,5).0(11,16)]octadec-16-en-14-yl acetate→(2S,4aR,4bS,6aS,7aS,8aS,8bS,8cR,9R)-2,9-Dihydroxy-4a,6a-dimethyl-2,3,4,4a,4b,5,6,6a,7a,8,8a,8b,8c,9-tetradecahydrocyclopropa[4,5]cyclopenta[1,2-a]phenanthren-7(1H)-one→(3S,5S,7S,11R,14S,18R)-14-[(tert-butyldimethylsilyl)oxy]-18-hydroxy-7,11-dimethylpentacyclo[8.8.0.0(2,7).0(3,5).0(11,16)]octadec-16-en-6-one→(2R,5S,7S,9R,10R,13S,15S,17S)-5-[(tert-butyldimethylsilyl)oxy]-10-hydroxy-2,17-dimethyl-8-oxahexacyclo[9.8.0.0(2,7).0(7,9).0(12,17).0(13,15)]nonadecan-16-one→(1aS,3S,5aR,5bS,7aS,8aS,9aS,9bS,9cR,10S,10aS)-10-Chloro-5a,7a-dimethyl-8-oxohexadecahydro-2H-cyclopropa[4',5']cyclopenta[1',2':1,2]phenanthro[8a,9-b]oxiren-3-yl 2,2-dimethylpropanoate→(2R,5S,7S,9S,10S,13S,15S,17S)-10-chloro-5-hydroxy-2,17-dimethyl-8-oxahexacyclo[9.8.0.0(2,7).0(7,9).0(12,17).0(13,15)]nonadecan-16-one→(2S,4aR,4bS,6aS,7aS,8aS,8bS,8cR,10aR)-2,10a-Dihydroxy-4a,6a-dimethyl-2,3,4,4a,4b,5,6,6a,7a,8,8a,8b,8c,10a-tetradecahydrocyclopropa[4,5]cyclopenta[1,2-a]phenanthren-7(1H)-one→(1aR,1bR,3S,5aR,5bS,7aS,8aS,9aS,9bS,9cR,9dR)-1b,3-Dihydroxy-5a,7a-dimethylperhydrocyclopropa[4,5]cyclopenta[1,2-a]cyclopropa[l]phenanthren-8-one→3-Hydroxy-1-propyne→(1aR,1bR,3S,5aR,5bS,7aS,8S,8aS,9aS,9bS,9cR,9dR)-8-(3-Hydroxyprop-1-yn-1-yl)-5a,7a-dimethyloctadecahydro-1bH-cyclopropa[4,5]cyclopenta[1,2-a]cyclopropa[l]phenanthrene-1b,3,8-triol→(1aR,1bR,3S,5aR,5bS,7aS,8S,8aS,9aS,9bS,9cR,9dR)-8-(3-Hydroxypropyl)-5a,7a-dimethyloctadecahydro-1bH-cyclopropa[4,5]cyclopenta[1,2-a]cyclopropa[l]phenanthrene-1b,3,8-triol→(1R,2R,4R,5R,10R,11S,14S,15S,16S,18S,19S)-5-Hydroxy-10,14-dimethylspiro[hexacyclo[9.8.0.0(2,4).0(5,10).0(14,19).0(16,18)]nonadecane-15,2'-oxolane]-5',7-dione
PaclitaxelOptimised routesteps: 10total yield: /
3,3,7,7,9-Pentamethyl-1,5-dioxaspiro[5.5]undec-8-en-8-yl trifluoromethanesulfonate→3-Hydroxy-1-propyne→3-(3,3,7,7,9-Pentamethyl-1,5-dioxaspiro[5.5]undec-8-en-8-yl)prop-2-yn-1-ol→3-[(1Z)-3-Hydroxyprop-1-en-1-yl]-2,2,4-trimethylcyclohex-3-en-1-one→(R*)-[(1R*)-3-(Z)-[3-[[tert-Butyl(dimethyl)silyl]oxy]prop-1-en-1-yl]-2,2,4-trimethyl-1-[(trimethylsilyl)oxy]cyclohex-3-en-1-yl](6-ethenyl-6-methylcyclohex-1-en-1-yl)methanol→3-[(1Z)-3-[[tert-Butyl(dimethyl)silyl]oxy]prop-1-en-1-yl]-2,2,4-trimethylcyclohex-3-en-1-one→3-[(1Z)-3-[[tert-Butyl(dimethyl)silyl]oxy]prop-1-en-1-yl]-2,2,4-trimethyl-1-[(trimethylsilyl)oxy]cyclohex-3-ene-1-carbonitrile→3-[(1Z)-3-[[tert-Butyl(dimethyl)silyl]oxy]prop-1-en-1-yl]-2,2,4-trimethyl-1-[(trimethylsilyl)oxy]cyclohex-3-ene-1-carbaldehyde→N'-(2-Ethenyl-2-methylcyclohexylidene)-2,4,6-tri(propan-2-yl)benzene-1-sulfonohydrazide→(1S*)-1-[(S*)-(6-Ethenyl-6-methylcyclohex-1-en-1-yl)(hydroxy)methyl]-3-[3-hydroxyprop-1-en-1-yl]-2,2,4-trimethylcyclohex-3-en-1-ol→3-[(4S*,5S*)-4-(6-Ethenyl-6-methylcyclohex-1-en-1-yl)-6,6,8-trimethyl-2-oxo-1,3-dioxaspiro[4.5]dec-7-en-7-yl]prop-2-en-1-yl 1H-imidazole-1-carboxylate→(4S*,5S*)-4-(6-Ethenyl-6-methylcyclohex-1-en-1-yl)-7-[3-hydroxyprop-1-en-1-yl]-6,6,8-trimethyl-1,3-dioxaspiro[4.5]dec-7-en-2-one→(4S*,5S*)-4-(6-Ethenyl-6-methylcyclohex-1-en-1-yl)-6,6,8-trimethyl-7-[(1E)-3-[(prop-2-en-1-yl)oxy]prop-1-en-1-yl]-1,3-dioxaspiro[4.5]dec-7-en-2-one

Intermediates available on this site

Side-by-side comparison of all listed offers on this CAS; price bands are list-price ranges, final price subject to RFQ confirmation.

SupplierProductPrice bandMOQLead timeQualificationsAction
Unibest Nantong cGMP Site2-Chloro-7-cyclopentyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid
Pharmaceutical Intermediates
On requestOn requestOn request
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Unibest Taizhou GMP-like Site2-Chloro-7-cyclopentyl-N,N-dimethyl-7H-pyrrolo[2,3-d]pyrimidine-6- carboxamide
Pharmaceutical Intermediates
On requestOn requestOn request
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