| abstract |
THE SUBJECT OF THE INVENTION IS NEW DERIVATIVES OF BENZOPYRANE AND BENZOTHIOPYRANE OF FORMULA (CF DRAWING IN BOPI) IN WHICH X REPRESENTS OXYGEN OR SULFUR, R MEANS HYDROGEN OR A METHYL GROUP, R AND R EACH REPRESENT L ' HYDROGEN, A HALOGEN OR AN ALKYL OR ALCOXY OR AN AMINE REMAINDER, AND R MEANS HYDROGEN, AN ALKYL OR AN AMINE REMAINDER, AND THEIR PREPARATION. THESE COMPOUNDS CAN BE USED THERAPEUTICALLY AS ACTIVE INGREDIENTS OF MEDICINAL PRODUCTS. |