| abstract |
PCT No. PCT/EP95/03594 Sec. 371 Date May 20, 1997 Sec. 102(e) Date May 20, 1997 PCT Filed Sep. 12, 1995 PCT Pub. No. WO96/08495 PCT Pub. Date Mar. 21, 1996The present patent application discloses compounds having the formula <IMAGE> or a pharmaceutically acceptable salt thereof wherein R1 is hydrogen, alkyl or benzyl; X is O or NOR2, wherein R2 is hydrogen, alkyl or benzyl; Y is N-R4 wherein R4 is hydrogen, OH or alkyl; n is 0 or 1; R6 is phenyl which is substituted one or more times with substituents selected from the group consisting of SO2NR'R'', CONR'R'', and COR'''wherein R' and R'' each independently are hydrogen, alkyl, or -(CH2)p-W, wherein p is 0, 1, 2, 3, 4, 5, or 6, and W is hydroxy, amino, alkoxycarbonyl, or phenyl which may be substituted one or more times with substituents selected from the group consisting of halogen, CF3, NO2, amino, alkyl, alkoxy or methylenedioxy; or wherein R' and R'' together is (CH2)rZ(CH2)s wherein r and s each independently are 0, 1, 2, 3, 4, 5, or 6 and Z is O, S, CH2 or NR'''' wherein R'''' is hydrogen, alkyl, or -(CH2)p-W, wherein p is 0, 1, 2, 3, 4, 5, or 6, and W is hydroxy, amino, alkoxycarbonyl, or phenyl which may be substituted one or more times with substituents selected from the group consisting of halogen, CF3, NO2, amino, alkyl, alkoxy or methylenedioxy; and wherein R''' is hydrogen, alkyl, alkoxy or phenyl which may be substituted one or more times with substituents selected from the group consisting of halogen, CF3, NO2, amino, alkyl, alkoxy or methylenedioxy; 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. |