abstract |
Disclosed are a piperazine compound represented by formula (1) and a salt thereof. (In the formula, X represents CH or a N atom, R1 represents a C1-6 alkyl group; R2 represents any of a C1-6 alkyl group optionally having a substituted base, a C2-6 alkenyl group optionally having a substituted base, a -(C=O)-N(R3)(R4) group, or a -(C=O)-OR5 group; R3 and R4 can be the same or different and represent a hydrogen atom, or a C1-6 alkyl group optionally having a substituted group; or, R3 and R4, together with the nitrogen atom bound to each, may optionally form a saturated heterocyclic group; and R5 represents a hydrogen atom, or a C1-6 alkyl group or an aralkyl group optionally having a substituted group.) |