| abstract |
THE INVENTION CONCERNS THE HETEROCYCLIC COMPOUNDS OF FORMULA: (CF DRAWING IN BOPI) IN WHICH ONE OF THE SYMBOLS A AND B MEANS N AND THE OTHER CH, R MEANS H, ALKYL OR PHENYLALKYL POSSIBLE SUBSTITUTE, R MEANS H OR ALKYL, R AND R MEAN H, A HALOGEN, ALKYL, ALCOXY, ACYL OR CF, X REPRESENTS -CH-, -CO-, OR -O-, THE CARBONYL GROUP CAN BE IN PROTECTED FORM, M MEANS 1 OR 2 AND N 0, 1, 2 OR 3, AND Y MEANS H OR A -COR GROUP IN WHICH RA ONE OF THE MEANINGS GIVEN FOR R. THESE COMPOUNDS ARE USEFUL FOR THE PREPARATION OF SUBSTANCES FOR USE AS MEDICINAL PRODUCTS. |