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CAS 1240483-20-8
(3aR,4R,5R,6aS)-5-((tert-butyldimethylsilyl)oxy)-4-((R)-3-hydroxy-5-phenylpentyl)hexahydro-2H-cyclopenta[b]furan-2-one
Codes：LATA-026
Application context (from source-drug indications)
高眼压盐酸卡替洛尔/拉坦前列素青光眼盐酸卡替洛尔/拉坦前列素开角型青光眼盐酸卡替洛尔/拉坦前列素
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 盐酸卡替洛尔/拉坦前列素Carteolol Hydrochloride/Latanoprost | 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.
dimethyl (2-oxo-4-phenylbutyl)phosphonate→(4-carboxybutyl)triphenylphosphonium bromide→(Z)-7-((1R,2R,3R,5S)-3,5-dihydroxy-2-((R)-3-hydroxy-5-phenylpentyl)cyclopentyl)hept-5-enoic acid→(3aR,4R,5R,6aS)-5-((tert-butyldimethylsilyl)oxy)-2-oxohexahydro-2H-cyclopenta[b]furan-4-carbaldehyde→(3aR,4R,5R,6aS)-5-((tert-butyldimethylsilyl)oxy)-4-((E)-3-oxo-5-phenylpent-1-en-1-yl)hexahydro-2H-cyclopenta[b]furan-2-one→(3aR,4R,5R,6aS)-5-((tert-butyldimethylsilyl)oxy)-4-((S,E)-3-hydroxy-5-phenylpent-1-en-1-yl)hexahydro-2H-cyclopenta[b]furan-2-one→(3aR,4R,5R,6aS)-5-((tert-butyldimethylsilyl)oxy)-4-((R)-3-hydroxy-5-phenylpentyl)hexahydro-2H-cyclopenta[b]furan-2-one→(3aR,4R,5R,6aS)-5-((tert-butyldimethylsilyl)oxy)-4-((R)-3-((tert-butyldimethylsilyl)oxy)-5-phenylpentyl)hexahydro-2H-cyclopenta[b]furan-2-one→(3aR,4R,5R,6aS)-5-((tert-butyldimethylsilyl)oxy)-4-((R)-3-((tert-butyldimethylsilyl)oxy)-5-phenylpentyl)hexahydro-2H-cyclopenta[b]furan-2-ol→(Z)-7-((1R,2R,3R,5S)-3-((tert-butyldimethylsilyl)oxy)-2-((R)-3-((tert-butyldimethylsilyl)oxy)-5-phenylpentyl)-5-hydroxycyclopentyl)hept-5-enoic acid→propan-2-ol
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