PIPERAZINE COMPOUND CAPABLE OF INHIBITING PROSTAGLANDIN D SYNTHASE

摘要

Disclosed is a piperazine compound represented by general formula (I) or a salt thereof. [In the formula, R1 represents an alkyl group having 1 to 6 carbon atoms; R2 represents any one selected from a hydroxy group, an alkyl group having 1 to 6 carbon atoms which may have a substituent, a group -(C=O)-N(R3)(R4) and a group -(C=O)-OR5; R3 and R4 may be the same as or different from each other, and R3 and R4 independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms which may have a substituent, or R3, R4 and a nitrogen atom to which R3 and R4 are bound may together form a saturated heterocyclic group; R5 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms which may have a substituent; and n represents 1 or 2.]