| abstract |
(57) [Summary] (Modified) [Objective] To provide a novel heterocyclic compound. [Structure] A heterocyclic compound represented by the general formula 1, a process for producing the same, and a medicament containing the compound for treating bronchial asthma, allergy, inflammatory process, heart failure and hypertension. [In formula, AB is -N = C (R < 4 >)-, -CH = C (R 4 )-or -C (R 4 ) = N-, or if no bond between A and B occurs, A is C 1-6 alkyl, benzyl and B is hydrogen; X Is an aryl group, a heteroaryl group, etc .; Y is a halogen atom, a hydroxy group, C 1 to 6 alkoxy group, NO 2 , NH 2 and the like; R 1 and R 2 represent hydrogen atom, C 1-6 alkyl group, benzyl group and the like; R 4 represents alkyl group, phenyl group, alkoxy group and the like] |