申请人:ZHEJIANG JIUZHOU PHARMACEUTICAL CO., LTD.
公开号:US20160145208A1
公开(公告)日:2016-05-26
The present invention relates to the field of medical synthesis, in particular to a preparation method for pyrrolidine-2-carboxylic acid derivatives. The present invention adopts the following technical solution: providing a compound having a structure of formula (E), wherein R is R
1
or R
2
, R
1
is C
1
-C
6
an alkyl, benzyl, p-methoxybenzyl, or p-nitrobenzyl group, and R
2
is hydrogen; R
3
is a protecting group of the carboxyl group; and P
1
is a protecting group on nitrogen.
本发明涉及医药合成领域,特别是一种吡咯烷-2-羧酸衍生物的制备方法。本发明采用以下技术方案:提供具有结构式(E)的化合物,其中R为R1或R2,R1为C1-C6烷基、苄基、对甲氧基苄基或对硝基苄基,R2为氢;R3为羧基的保护基;P1为氮上的保护基。