申请人:TORAY INDUSTRIES, INC.
公开号:EP0047516A1
公开(公告)日:1982-03-17
A novel propylamine derivative represented by the general formula (I) can be obtained by subjecting olefins represented by the formula (II) to reaction with Schiff bases represented by the formula (III),
wherein R1 and R2 are identical or different radicals selected from the group consisting of methoxycarbonyl, ethoxycarbonyl, propoxycarbonyl, butoxycarbonyl, cyano or carbamoyl, or R' and R2 as defined form in combination a cyclic imide, and 0 is a phenyl radical.
The above compound can be readily converted into α-amino acid through hydrolysis, and benzophenone produced during the above process as a by-product may be recycled for use as a starting material for manufacturing Schiff bases (III).
将式 (II) 所代表的烯烃与式 (III) 所代表的希夫碱反应,可获得通式 (I) 所代表的新型丙胺衍生物、
其中 R1 和 R2 是相同或不同的基团,选自甲氧基羰基、乙氧基羰基、丙氧基羰基、丁氧基羰基、氰基或氨基甲酰基组成的组,或如定义的 R' 和 R2 结合形成环状亚胺,0 是苯基基团。
上述化合物很容易通过水解转化为 α-氨基酸,在上述过程中产生的副产物二苯甲酮可回收用作制造希夫碱(III)的起始原料。