abstract |
THE INVENTION CONCERNS NEW HYDROXYL DIBENZOYLMETHANE DERIVATIVES OF FORMULA: (CF DRAWING IN BOPI) IN WHICH R AND R DESIGNATE INDEPENDENTLY ONE OF THE OTHER A HYDROXYL OR HALOGEN ATOM, AN ALKYL GROUP IN CACA OR BRANCHED OR A LOWER ALCOXY GROUP IN CAC, AS WELL AS THEIR PROCESS OF PREPARATION. |