INDENO1,2-bPYRROLE DERIVATIVES

摘要

PCT No. PCT/JP83/00287 Sec. 371 Date May 7, 1984 Sec. 102(e) Date May 7, 1984 PCT Filed Aug. 30, 1983 PCT Pub. No. WO84/00962 PCT Pub. Date Mar. 15, 1984.Indeno[1,2-b]pyrrole derivatives of the formula: IMAGE wherein R1 is hydrogen, lower alkyl or carbamoylmethyl, R2 is halogen or trifluoromethyl, R3 is hydrogen or halogen, and X is oxygen or sulfur. These compounds are useful as medicines such as drugs for treating cerebral dysfunction, anticonvulsants, antiepileptics and antianxiety drugs.