申请人:Otsuka Pharmaceutical Factory, Inc.
公开号:US04642355A1
公开(公告)日:1987-02-10
This invention provides a proline derivative represented by the formula ##STR1## wherein: R.sub.1 is C.sub.5 -C.sub.14 alkyl, C.sub.2 -C.sub.6 alkenyl, C.sub.3 -C.sub.8 cycloalkyl-C.sub.1 -C.sub.6 alkyl or a group ##STR2## (wherein R.sub.5 is hydrogen, C.sub.1 -C.sub.14 alkyl or phenyl and R.sub.6 is hydrogen or C.sub.1 -C.sub.6 alkyl); R.sub.2 is hydrogen or C.sub.1 -C.sub.6 alkyl; R.sub.3 is C.sub.1 -C.sub.6 alkyl; R.sub.4 is hydrogen, C.sub.1 -C.sub.6 alkyl or phenyl-C.sub.1 -C.sub.6 alkyl; and n is 0, 1 or 2, and a pharmaceutically acceptable salt thereof.
该发明提供了一种丙氨酸衍生物,其表示为以下式子:##STR1##其中:R.sub.1为C.sub.5-C.sub.14烷基,C.sub.2-C.sub.6烯基,C.sub.3-C.sub.8环烷基-C.sub.1-C.sub.6烷基或基团##STR2##(其中,R.sub.5为氢,C.sub.1-C.sub.14烷基或苯基,R.sub.6为氢或C.sub.1-C.sub.6烷基);R.sub.2为氢或C.sub.1-C.sub.6烷基;R.sub.3为C.sub.1-C.sub.6烷基;R.sub.4为氢,C.sub.1-C.sub.6烷基或苯基-C.sub.1-C.sub.6烷基;n为0、1或2,以及其药学上可接受的盐。