Analgesic benzoxazolinones having at the 6-position a 1-hydroxy-3-morpholinopropyl side chain

Abstract

Compounds of general formula (I): ##STR1## in which: R.sub.1 denotes a hydrogen atom or a lower alkyl optionally substituted with a hydroxyl group, R.sub.2 and R.sub.3 : a- identical or different, denote a hydrogen atom, a lower alkyl, a lower alkenyl, a substituted or unsubstituted aryl, a substituted or unsubstituted (lower alkyl)aryl, b- are such that they form, with the nitrogen which carries them, a saturated or unsaturated, mono- or bicyclic heterocyclic system containing at most 3 hetero atoms per ring, substituted or unsubstituted, with the exception of 1-arylpiperazine systems, X denotes a hydrogen atom, Y denotes a hydrogen atom or a hydroxyl, or alternatively X and Y denote an oxygen atom, provided that R.sub.1 is then other than a methyl group, Z denotes a hydrogen atom or forms a .pi. bond with Y, and T denotes a hydrogen atom or a lower alkyl, their stereoisomers and their quaternary ammonium salts, as well as their addition salts with a pharmaceutically acceptable acid having analgesic or arterial antihypertensive property. Medicinal products.

Dependencies are inferred from the claim text.