New peptide compounds, a process for the preparation thereof and pharmaceutical composition comprising the same
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0283970A2
公开(公告)日:1988-09-28
A compound of the formula :
wherein R1 is aryl optionally substituted with a substituent selected from the group consisting of halogen and halo(lower)alkyl;
lower alkyl or cyclo(lower)alkyl; and R2 is hydrogen or lower alkyl, or
R' and R2 are taken together with the attached nitrogen atom to form a heterocylic group optionally substituted with a substituent selected from the group consisting of lower alkyl and esterified carboxy,
R3 is hydrogen or lower alkyl, and
R4 is lower alkyl,
and its pharmaceutically acceptable salt, a process for the preparation thereof and pharmaceutical composition comprising the same
式中的化合物:
其中 R1 是芳基,可任选被选自由卤素和卤代(低级)烷基组成的取代基取代;
低级烷基或环(低级)烷基;以及 R2 是氢或低级烷基,或
R' 和 R2 与相连的氮原子一起形成杂环基团,该杂环基团可选择被选自低 级烷基和酯化羧基的取代基取代、
R3 是氢或低级烷基,以及
R4 是低级烷基、
及其药学上可接受的盐、其制备方法和包含其的药物组合物