An object of the present invention is to synthesize anovel 1,2,3,4-tetrahydroquinoxaline derivativerepresented by formula (1) and to find apharmacological action of the derivative. In theformula, the R1 represents a halogen, an alkyl,cycloalkyl, aryl or heterocyclic group, or the like；p represents 0 to 5； R2 represents a halogen, analkyl, hydroxyl or alkoxy group, or the like； qrepresents 0 to 2； R3 represents hydrogen, an alkyl,alkenyl, alkylcarbonyl or arylcarbonyl group, or thelike； R4 and R5 independently represent hydrogen, ahalogen, an alkyl, alkenyl, alkynyl, cycloalkyl, arylor heterocyclic group, or the like； R6 representshydrogen, an alkyl, alkenyl, alkynyl, cycloalkyl,aryl or heterocyclic group, or the like； A representsan alkylene； R7 represents OR8, NR8R9, SR8, S(O)R8,S(O)2R8； and X represents O or S.(see formula 1)
