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CAS 112904-69-5
(3R)-3-(Benzyloxy)-5-methoxy-5-oxopentanoic acid
Codes：Atorvastatin-026
Application context (from source-drug indications)
高脂血症阿托伐他汀锶蛛网膜下腔出血阿托伐他汀锶高血压阿托伐他汀锶
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 阿托伐他汀锶Atorvastatin strontium | 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.
4-(Benzyloxy)dihydro-2H-pyran-2,6(3H)-dione→3-Hydroxypentanedioic acid 1,5-diethyl ester→Diethyl 3-(benzyloxy)pentanedioate→3-(Benzyloxy)pentanedioic acid→(3R)-3-(Benzyloxy)-5-methoxy-5-oxopentanoic acid→(Methoxycarbonyl)acetonitrile→Dimethyl (5R)-5-(benzyloxy)-2-cyano-3-oxoheptanedioate→Methyl (3R)-3-(benzyloxy)-6-cyano-5-oxohexanoate→Methyl (3R)-6-cyano-3-hydroxy-5-oxohexanoate→Methyl (3R,5R)-6-cyano-3,5-dihydroxyhexanoate→Methyl [(4R,6R)-6-(cyanomethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate→Atorvastatin-033→Methyl [(4R,6R)-6-(2-aminoethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate→(4R,6R)-6-(2-Aminoethyl)-2,2-dimethyl-1,3-Dioxane-4-acetic acid 1,1-dimethylethyl ester
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