| abstract |
2-PHENYLPYRAN-4-ONE DERIVATIVES OF FORMULA (I): FORMULA I WHEREIN: R1 REPRESENTS AN ALKYL OR –NR4R5 GROUP, WHEREIN R4 AND R5 EACH INDEPENDENTLY REPRESENTS A HYDROGEN ATOM OR AN ALKYL GROUP; R2 REPRESENTS AN ALKYL, C3-C7 CYCLOALKYL, PYRIDYL, THIENYL, NAPHTHYL, TETRAHYDRONAPHTHYL OR INDANYL GROUP, OR A PHENYL GROUP WHICH MAY BE UNSUBSTITUTED OR SUBSTITUTED BY ONE OR MORE HALOGEN ATOMS OR ALKYL, TRIFLUOROMETHYL, HYDROXY, ALKOXY, METHYLTHIO, AMINO, MONO- OR DIALKYLAMINO, HYDROXYALKYL OR HYDROXYCARBONYL GROUPS; R3 REPRESENTS A METHYL, HYDROXYMETHYL, ALKOXYMETHYL, C3-C7 CYCLOALKOXYMETHYL, BENZYLOXYMETHYL, HYDROXYCARBONYL, NITRILE, TRIFLUOROMETHYL OR DIFLUOROMETHYL GROUP OR A CH2-R6 GROUP WHEREIN R6 REPRESENTS AN ALKYL GROUP; AND X REPRESENTS A SINGLE BOND, AN OXYGEN ATOM, A SULFUR ATOM OR A METHYLENE GROUP; OR PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF, PROCESSES FOR THEIR PRODUCTION AND SYNTHETIC INTERMEDIATES USED IN SAID PROCESSES, PHARMACEUTICAL COMPOSITIONS CONTAINING THEM AND THEIR USE IN MEDICAL TREATMENT. |