Diphenylthiazole derivative

PCT No. PCT/JP91/00310 Sec. 371 Date Aug. 23, 1993 Sec. 102(e) Date Aug. 23, 1993 PCT Filed Mar. 7, 1992 PCT Pub. No. WO92/15570 PCT Pub. Date Sep. 17, 1992.A novel diphenythiazole derivative represented by the following general formula (I): (I) wherein m and n are each 1 or 2; R1 and R2 represent each a hydrogen atom, a lower alkyl group, a lower alkoxy group, a lower alkylsulfenyl group, a nitro group, an amino group, a methanesulfonyloxy group or a halogen atom; A1 represents a lower alkanesulfonyl group, a halogenated lower alkanesulfonyl group, a substituted benzenesulfonyl group, a lower acyl group or a halogenated lower acyl group; and A2represents a hydrogen atom, a lower alkanesulfonyl group, a halogenated lower alkanesulfonyl group or a lower alkyl group, and being efficacious as a drug having antiinflammatory, analgesic, antiallergic, uricosuric or platelet aggregation inhibiting effects.