The invention provides a compound of formula (II):
or a salt or ester therof: wherein R1 is a substituted or unsubstituted 7-oxo-1-azabicyclo[3.2.0]hept-2-ene ring system, R2 is hydrogen or a hydrocarbon moiety, and R3 is the residue of a renal dipeptidase inhibitor R3C02H. A process for the preparation of compounds of formula Il and pharmaceutical compositions containing these compounds are also described.
本发明提供了式(II)化合物:
或其盐或酯:其中 R1 是取代或未取代的 7-氧代-1-
氮杂双环[3.2.0]庚-2-烯环系,R2 是氢或烃基,R3 是肾
二肽酶抑制剂 R3C02H 的残基。还描述了制备式 Il 化合物和含有这些化合物的药物组合物的工艺。