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US 6,143,761 AGranted
2,3-dihydrofuro [3,2-.beta.]pyridin, preparation and application thereof in therapy
AssigneeSanofi-Synthelabo
InventorsAlistair Lochead, Samir Jegham, Frederic Galli, Thierry Gallet
Life of this patent
Estimating the term…
Abstract
Compounds corresponding to the general formula (I) ##STR1## in which R.sub.1 represents a hydrogen atom, a (C.sub.1 -C.sub.6)alkyl group or a phenyl(C.sub.1 -C.sub.4)alkyl group, R.sub.2 represents a hydrogen atom or a (C.sub.1 -C.sub.6)alkyl group and R.sub.3, R.sub.4 and R.sub.5 each represent, independently of one another, a hydrogen or halogen atom or a trifluoromethyl, cyano, hydroxyl, (C.sub.1 -C.sub.6)alkyl or (C.sub.1 -C.sub.6)alkoxy group. Application in therapeutics.
Claims9
A compound of general formula (I):
- ##STR5## in which R.sub.1 represents a hydrogen atom, a (C.sub.1 -C.sub.6) alkyl group or a phenyl (C.sub.1 -C.sub.4) alkyl group,
- R.sub.2 represents a hydrogen atom, and
- R.sub.3, R.sub.4 and R.sub.5 each represent, independently of one another, a hydrogen or halogen atom or a trifluoromethyl, cyano, hydroxyl, (C.sub.1 -C.sub.6) alkyl, or (C.sub.1 -C.sub.6) alkoxy group;
- or a pure optical isomer thereof, a mixture of such isomers, or a base or an acid-addition salt thereof.
1 more element
Dependencies are inferred from the claim text.