Derivatives of pyridone, their preparation process

专利名称：Derivatives of pyridone, their preparation

process, the new intermediates obtained,their use as medicaments and thepharmaceutical compositions containingthem

发明人：Michel Fortin,Jean Luc Haesslein,Bertrand

Heckmann

申请号：US08/690552申请日：19960731公开号：US05674883A公开日：19971007

摘要：Products of formula (I): ##STR1## in which: R.sub.1, R.sub.2, R.sub.3 and R.sub.4represent:

--a hydrogen atom, a halogen atom, one of the following radicals: hydroxyl, mercapto,cyano, nitro, sulpho, formyl, benzoyl, acyl, carboxy, cycloalkyl, acyloxy,< P>

-- an alkyl, alkenyl, alkynyl, alkyloxy or alkythio radical,

< P>--an alkyl, alkenyl, alkynyl, alkyloxy or alkylthio radical,

--an aryl, arylalkyl, arylalkenyl, aryloxy or arylthio radical,

--a radical: ##STR2## --a--(CH.sub.2). sub.m1 --S(O).sub. m2 --Z'--R'.sub.14 radical inwhich m1 represents an integer from 0 to 4, m2 represents an integer from 0 to 2, R.sub.5represents a divalent alkylene radical, Y represents the --Y.sub.1 --B--Y. sub.2 radical.< P>

These products have useful pharmacological properties, which justify their use asmedicaments.

申请人：ROUSSEL UCLAF

代理机构：Bierman, Muserlian and Lucas LLP

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