3-Pyrrolidinylthio-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid derivatives and processes for the preparation thereof
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0280771A1
公开(公告)日:1988-09-07
A compound of the formula :
in which R¹ is carboxy or protected carboxy,
R² is hydroxy(lower)alkyl or protected hydroxy(lower)alkyl,
R³ is hydrogen or lower alkyl,
R⁴ is lower alkyl having suitable substituent(s), heterocyclic group optionally substituted by suitable substituent(s), or lower alkylsulfonyl,
R⁵ is hydrogen, lower alkanimidoyl or imino-protective group,
A is lower alkylene, and
X is sulfur, oxygen, imino or protected imino,
provided that
when X is oxygen,
then R⁴ is not "protected or unprotected ureido(lower)alkyl",
and pharmaceutically acceptable salts thereof, processes for their preparation and pharmaceutical compositions comprising them as an active ingredient. The invention also relates to intermediates of the formula
and a process for the preparation thereof.
一种式......的化合物
其中 R¹ 是羧基或受保护的羧基、
R² 是羟基(低级)烷基或受保护的羟基(低级)烷基、
R³ 是氢或低级烷基
R⁴ 是具有适当取代基的低级烷基、任选被适当取代基取代的杂环基团或低级烷基磺酰基、
R⁵ 是氢、低级烷酰基或亚氨基保护基团、
A 是低级亚烷基,以及
X 是硫、氧、亚氨基或保护亚氨基、
条件是
当 X 为氧时
则 R⁴ 不是 "受保护或未受保护的脲基(低级)烷基"、
及其药学上可接受的盐、制备工艺和包含它们作为活性成分的药物组合物。本发明还涉及式
及其制备工艺。