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CAS 141942-85-0
ethyl (R)-4-cyano-3-hydroxybutanoate
Codes：ROSU-025
Application context (from source-drug indications)
高血压瑞舒伐他汀钙/非马沙坦钾三水合物血脂障碍瑞舒伐他汀钙/非马沙坦钾三水合物高血压瑞舒伐他汀钙/替米沙坦高脂血症瑞舒伐他汀钙/替米沙坦
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 瑞舒伐他汀钙/非马沙坦钾三水合物Fimasartan potassium trihydrate/Rosuvastatin calcium | Tier C — Watch / trade | - |
| 瑞舒伐他汀钙/替米沙坦Rosuvastatin Calcium/Telmisartan | 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.
N-(4-(4-fluorophenyl)-5-formyl-6-isopropylpyrimidin-2-yl)-N-methylmethanesulfonamide→sodium (3R,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate→ethyl (R)-4-cyano-3-hydroxybutanoate→ethyl (R)-3-((tert-butyldimethylsilyl)oxy)-4-cyanobutanoate→(R)-3-((tert-butyldimethylsilyl)oxy)-4-cyanobutanoic acid→tert-butyl (R)-3-((tert-butyldimethylsilyl)oxy)-4-cyanobutanoate→tert-butyl (R)-5-amino-3-((tert-butyldimethylsilyl)oxy)-5-oxopentanoate→(R)-5-(tert-butoxy)-3-((tert-butyldimethylsilyl)oxy)-5-oxopentanoic acid→methyl carbonochloridate→(S)-(R)-5-(tert-butoxy)-3-((tert-butyldimethylsilyl)oxy)-5-oxopentanoic (ethyl carbonic) anhydride→methyltriphenylphosphonium bromide→tert-butyl (R)-3-((tert-butyldimethylsilyl)oxy)-5-oxo-6-(triphenyl-l5-phosphanylidene)hexanoate→tert-butyl (R,E)-3-((tert-butyldimethylsilyl)oxy)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-5-oxohept-6-enoate→tert-butyl (R,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3-hydroxy-5-oxohept-6-enoate→tert-butyl (3R,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate
N-(4-(4-fluorophenyl)-5-formyl-6-isopropylpyrimidin-2-yl)-N-methylmethanesulfonamide→sodium (3R,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate→ethyl (R)-4-cyano-3-hydroxybutanoate→ethyl (R)-3-((tert-butyldimethylsilyl)oxy)-4-cyanobutanoate→(R)-3-((tert-butyldimethylsilyl)oxy)-4-cyanobutanoic acid→tert-butyl (R)-3-((tert-butyldimethylsilyl)oxy)-4-cyanobutanoate→tert-butyl (R)-5-amino-3-((tert-butyldimethylsilyl)oxy)-5-oxopentanoate→(R)-5-(tert-butoxy)-3-((tert-butyldimethylsilyl)oxy)-5-oxopentanoic acid→methyl carbonochloridate→(S)-(R)-5-(tert-butoxy)-3-((tert-butyldimethylsilyl)oxy)-5-oxopentanoic (ethyl carbonic) anhydride→methyltriphenylphosphonium bromide→tert-butyl (R)-3-((tert-butyldimethylsilyl)oxy)-5-oxo-6-(triphenyl-l5-phosphanylidene)hexanoate→tert-butyl (R,E)-3-((tert-butyldimethylsilyl)oxy)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-5-oxohept-6-enoate→tert-butyl (R,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3-hydroxy-5-oxohept-6-enoate→tert-butyl (3R,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate
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