| abstract |
Novel benzoheterocyclic compounds of the formula: <IMAGE> wherein R1 is H, halogen, alkyl, optionally substituted amino, alkoxy; R2 is H, halogen, alkoxy, phenylalkoxy, OH, alkyl, optionally substituted amino, carbamoyl-alkoxy, optionally substituted amino-alkoxy, optionally substituted benzoyloxy; R3 is a group: -NR4R5 or -CO-NR11R12; R4 is H, optionally substituted benzoyl, alkyl; R5 is a group: <IMAGE> [R16 is halogen, optionally substituted alkyl, OH, alkoxy, alkanoyloxy, alkylthio, alkanoyl, carboxy, alkoxycarbonyl, CN, NO2, optionally substituted amino, phenyl, cycloalkyl, etc., or a group: -O-A-NR6R7; m is 0 to 3], phenyl-alkoxycarbonyl, alkanoyl, phenylalkanoyl, etc.; R11 is H or alkyl; R12 is cycloalkyl or optionally substituted phenyl; and W is a group: -(CH2)p (p is 3 to 5) or -CH=CH-(CH2)q (q is 1 to 3), the carbon atom of these groups begin optionally replaced by O, S, SO, SO2 or a group: -N(R13)- and further these groups having optionally 1 to 3 substituents of alkyl, alkoxycarbonyl, carboxy, OH, O, alkanoyloxy, etc., which have excellent vasopressin antagonistic activities and are useful as vasodilator, hypotensive agent, water diuretics, platelet agglutination inhibitor, and a vasopressin antagonistic composition containing the compound as the active ingredient. |