Stereoselective reduction of the keto group at 7-position of a bile keto acid
申请人:BLASCHIM S.p.A.
公开号:EP0230085A1
公开(公告)日:1987-07-29
The keto group at 7-position of a bile keto acid is stereoselectively reduced to beta-hydroxy group with hydrogen in the presence of nickel, of a base the quantity of which is of at least 0.3 mole to each mole of keto acid, and of an alcohol, having from 3 to 10 C atoms, selected from the group consisting of secondary alcohols, tertiary alcohols and beta-branched alcohols.