Sanofi

Andre Bernat

Gerard Valette

Jean-Marc Herbert

Jean-Pierre Maffrand

Daniel Frehel

Eric Vallee

Jean Marc Herbert

Pierre Savi

Denis Delabassee

Denis Delebassee

The invention relates to compounds of formula: ##STR1## in which: A is selected from O or S; B is selected from C or N;

Heterocyclic derivatives, process for their preparation and their

Associations of active principles containing clopidogrel and an

The invention relates to compounds of formula: ##STR1## in which: A is selected from 0 or S; B is selected from C or N; Z.sub.1 is selected from C.sub.1 -C.sub.4 alkylene or phenylene; Z.sub.2 is C.sub.1 -C.sub.4 alkylene; W is NR.sub.1 R.sub.2, in which R.sub.1 is selected from H or C.sub.1 -C.sub.4 alkyl and R.sub.2 is selected from H, C.sub.1 -C.sub.4 alkyl, CONQ.sub.1 Q.sub.2 or CSNQ.sub.1 Q.sub.2 in which Q.sub.1 and Q.sub.2 are independently selected from H or C.sub.1 -C.sub.4 alkyl, SO.sub.2 Q.sub.3 or COQ.sub.3 in which Q.sub.3 is C.sub.1 -C.sub.4 alkyl, COOQ.sub.4 in which Q.sub.4 is selected from C.sub.1 -C.sub.4 alkyl or benzyl, or R.sub.1 and R.sub.2 taken together with N form a saturated heterocycle, or W is selected from C.sub.1 -C.sub.4 alkoxy or thioalkoxy, CONQ.sub.1 Q.sub.2 or CSNQ.sub.1 Q.sub.2, pyridyl, imidazolyl or COOQ.sub.5 in which Q.sub.5 is C.sub.1 -C.sub.5 alkyl; R.sub.3 is not present when B is N, or is H, C.sub.1 -C.sub.8 alkyl or halogen; Ar.sub.1 is selected from optionally substituted phenyl, thienyl, furyl, indolyl, naphthyl or benzyl or Ar.sub.1 and R.sub.3 taken together form a phenylalkylene group; Ar.sub.2 is selected from pyrimidinyl, quinolyl, isoquinolyl, indolyl, isoindolyl or pyridyl, optionally substituted; as well as their salts.

Heterocyclic derivatives process for their preparation and their

Certain heterocyclic thiazole derivatives and their therapeutic use

N.alpha.-substituted derivatives of N.alpha.-arylsulphonylaminoacyl p-amidinophenylalaninamides, their preparation, their use as medicaments and intermediates for their synthesis.

Derivatives of the N

The present invention is concerned with compounds with the formula: ##STR1## in which: R.sub.1 represents a lower alkyl, a lower hydroxy alkyl or a benzyl group, a phenyl group or a 4-hydroxy phenyl group:

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Cugnaux, France

Andre Bernat