申请人:SUMITOMO PHARMACEUTICALS COMPANY, LIMITED
公开号:EP0229384A2
公开(公告)日:1987-07-22
Described are amino acid compounds of the formula:
wherein R is a lower alkyl group, R, is a hydrogen atom or a protecting group for carboxyl, R2 is a hydrogen atom, a protecting group for amino, an optionally substituted allyl group of the formula:
(wherein R3 and R4 are each a hydrogen atom, a lower alkyl group or an aryl group), a beta-hydroxyethyl group in which the hydroxyl group is optionally protected, a formylmethyl group in which the formyl group is optionally protected, a carboxymethyl group in which the carboxyl group is protected or a 2-furylmethyl group and X is an optionally protected carboxyl group, a hydroxymethyl group in which the hydroxyl group is optionally protected or a substituted mercaptomethyl group of the formula: -CH2SR5 (wherein Rs is an aryl group or an ar(lower)alkyl group), which are useful intermediates in the synthesis of 1-alkylcarbapenem compounds.
所描述的是式中的氨基酸化合物:
其中 R 是低级烷基,R, 是氢原子或羧基的保护基团,R2 是氢原子、氨基的保护基团、式中任选取代的烯丙基(其中 R3 和 R4 各为氢原子、低级烷基或芳基)、β-羟乙基(其中羟基为氢原子)、β-羟乙基:
(其中 R3 和 R4 各为氢原子、低级烷基或芳基)、羟基受保护的β-羟乙基、甲酰基受保护的甲酰基甲基、羧基受保护的羧甲基或 2-呋喃基甲基,X 为受保护的羧基、羟基受保护的羟甲基或式如下的取代的巯基:-CH2SR5(其中 Rs 是芳基或 ar(低级)烷基),它们是合成 1-烷基碳青霉烯化合物的有用中间体。