| 摘要 |
The invention discloses a method for the preparation of tert-butyl 6-chloro-3,5- dioxohexanoate from Meldrum's acid derivative and its use for the preparation of tert-butyl (4R,6S)-(6-hydroxymethyl-2,2-dimethyl-1,3-dioxan-4-yl)acetate(B HA), Rosuvastatin and Atorvastatin. |
