申请人:——
公开号:US20030018193A1
公开(公告)日:2003-01-23
A beta-alanine derivative of the formula (I) wherein R
1
is hydrogen atom or an amino protective group; A is a lower alkylene group or a lower alkenylene group; R
2
is hydrogen atom or an amino group which may be substituted with an acyl group; R
3
is hydrogen atom or an aryl or aralkyl group which may be substituted with one or more of hydroxy and/or lower alkoxy, a moiety represented by the formula (II), which is a bivalent N-containing 6- to 8-membered heterocyclic group, or a pharmaceutically acceptable salt thereof.
公式(I)的β-丙氨酸衍生物,其中R1是氢原子或氨基保护基团;A是较低的烷基或较低的烯基基团;R2是氢原子或氨基团,可能被酰基取代;R3是氢原子或芳基或芳基基团,可能被一个或多个羟基和/或较低的烷氧基取代,由公式(II)表示的基团,该基团是一种双价的含氮6-到8-成员杂环基团,或其药用盐。