申请人:ASAHI GLASS COMPANY LTD.
公开号:EP0802185A1
公开(公告)日:1997-10-22
A process for producing a piperidinecarbinol represented by the general formula (2), which comprises reducing the trans isomer of a compound represented by the general formula (1):
wherein R1 is a hydrogen atom, a lower alkyl group or an aralkyl group, R2 is a hydrogen atom, a lower alkyl group, an aryl group or an aralkyl group, and X is a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an aralkyl group, an alkoxy group, a dialkylamino group, an alkylthio group, an arylthio group or CmF2m+1- wherein m is an integer of from 1 to 20.
一种生产通式(2)代表的哌啶甲醇的工艺,它包括还原通式(1)代表的化合物的反式异构体:
其中 R1 为氢原子、低级烷基或芳烷基,R2 为氢原子、低级烷基、芳基或芳烷基,X 为氢原子、卤素原子、烷基、芳基、芳烷基、烷氧基、二烷基氨基、烷硫基、芳硫基或 CmF2m+1- 其中 m 为 1 至 20 的整数。