Indole-2,3-dione-3-oxime derivatives, their preparation and use

摘要

PCT No. PCT/EP95/03593 Sec. 371 Date May 20, 1997 Sec. 102(e) Date May 20, 1997 PCT Filed Sep. 12, 1995 PCT Pub. No. WO96/08494 PCT Pub. Date Mar. 21, 1996The present patent application discloses compounds having the formula or a pharmaceutically acceptable salt thereof wherein R1, X and R5 have the meanings set further in the specification. A is a ring of five to seven atoms fused with the benzo ring at the positions marked a and b. The compounds are useful in the treatment of cerebrovascular disorders for example.