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EP1020530A1 PROCESS FOR THE PREPARATION OF HMG-CoA REDUCTASE INHIBITORS 失效
VERFAHRENFÜRDIE HERSTELLUNG VON INHIBITOREN DER HMG-CoA-REDUKTASE。

PROCESS FOR THE PREPARATION OF HMG-CoA REDUCTASE INHIBITORS
摘要:
Disclosed is a process for producing a compound represented by general formula (II-a):
(wherein R 1 represents a hydrogen atom, a substituted or unsubstituted alkyl group, or an alkali metal; and R 2 represents a substituted or unsubstituted alkyl or aryl group) [hereinafter referred to as Compound (II-a)] or the lactone form of Compound (II-a) [hereinafter referred to as Compound (II-b)] which comprises subjecting a compound represented by general formula (I-a):
(wherein R 1 represents a hydrogen atom, a substituted or unsubstituted alkyl group, or an alkali metal; and R 2 represents a substituted or unsubstituted alkyl or aryl group) [hereinafter referred to as Compound (I-a)] or the lactone form of Compound (I-a) [hereinafter referred to as Compound (I-b)] to the action of an enzyme source derived from a microorganism belonging to the genus Bacillus and capable of converting Compound (I-a) or Compound (I-b) into Compound (II-a) or Compound (II-b) in a reaction mixture to form Compound (II-a) or Compound (II-b) in the reaction mixture, and recovering Compound (II-a) or Compound (II-b) from the reaction mixture.
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