Hydroxamic acids biphenyl has therapeutic actions

COMPOUNDS HAVING TO FORMULA: (CF DRAWING IN BOPI) INCLUDING ALL THEIR STEREO-ISOMERS, FORMULA WHERE M IS NUMBER 1 TO 7; X is S, O or NH; R IS AN ATOM HYDROGEN RADICAL OR LOWER ALKYL, ARYL, OR ARALKYL CYCLOALKYL; R IS AN ATOM HYDROGEN RADICAL OR LOWER ALKYL, ARYL, ARALKYL, CYCLOALKYL, ALCALOYKE or aroyl; AND CYCLES (CF DRAWING IN BOPI) ARE POSSIBLY SUBSTITUTED ATOMS OR LOWER ALKYL RADICALS, HALOGEN, ALCOXY LOWER, hydroxyamino, alkylamino, dialkylamino OR CARBOXY; AND (CH) may include 1 or 2 substituents lower alkyl. THEREOF ARE INHIBITORS -LIP-OXYGENASE AND, AS SUCH, THEY USE AS ANTI-ALLERGIC.