申请人:Ajinomoto Co., Inc.
公开号:US05342963A1
公开(公告)日:1994-08-30
Optically active pyrrolidine derivative represented by the following formula (XI): ##STR1## wherein R.sup.1 represents a benzyl group R.sup.2 represents an alkyl group having 1 to 6 carbon atoms, R.sup.3 represents an alkyl group having 1 to 6 carbon atoms, a benzyl group or an allyl group, R.sup.4 is selected from the group consisting of a hydrogen atom, an alkyl group having 1 to 6 carbon atoms which may be substituted with a protected hydroxyl group, a vinyl group, a phenyl group which may be substituted, a benzyl group which may be substituted, and a heterocyclic ring having 1 to 4 nitrogen or/and oxygen atoms, and R.sup.5 represents a hydrogen atom or a methyl group. This compound can be an intermediate for synthesis of carbapenem antibiotic compounds.
以下是化学式为(XI)的光学活性吡咯烷衍生物:
其中R1代表苄基,R2代表具有1至6个碳原子的烷基,R3代表具有1至6个碳原子的烷基、苄基或烯丙基,R4选择自氢原子、具有1至6个碳原子的烷基(可能被保护的羟基取代)、乙烯基、可能被取代的苯基、可能被取代的苄基和具有1至4个氮或/和氧原子的杂环环,R5代表氢原子或甲基基团。该化合物可用作合成碳青霉烯类抗生素化合物的中间体。