The present invention provides a peptide derivative of formula (I)
1
wherein X is —CHOH— or —CO—; R
1
and R
2
are hydrogen or substituted oxycarbonyl; R
3
is substituted oxycarbonyl; R
4
is hydroxyl, lower alkoxy, optionally substituted piperazinyl or the like; R
5
is a R-group side chain of an &agr;-amino acid optionally protected by a protective group, R
6
is hydroxyl, lower alkoxy or the like; m is 0 or 1; and n is an integer of 2 to 6; or
a pharmaceutically acceptable salt thereof.
The present invention further provides a production process and use thereof.
本发明提供了一种式 (I) 的肽衍
生物
1
其中 X 为 -CHOH- 或 -CO-; R
1
和 R
2
是氢或取代的氧羰基
3
是取代的氧羰基
4
是羟基、低级烷氧基、任选取代的
哌嗪基或类似物;R
5
是由保护基团任选保护的&agr;-
氨基酸的 R 基侧链,R
6
是羟基、低级烷氧基或类似物;m 是 0 或 1;n 是 2 至 6 的整数;或
其药学上可接受的盐。
本发明进一步提供了一种生产工艺及其用途。