1121767-06-3Relevant articles and documents
PIPERAZINE DERIVATIVE
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Page/Page column 37, (2010/06/11)
A compound which specifically binds to a receptor of NR1/ NR2B, and is used as a NR2B receptor antagonist is provided. It has been found out that a piperazine derivative represented by the formula (I) binds specifically to a receptor of NR1/NR2B, and is used as a NR2B receptor antagonist. A compound represented by: wherein R1 is each independently C1-C3 alkyl or the like, m is an integer of 0 to 4, X is -N(R4)-C(=O)-C(=O)-, -N(R4)-(CR5R6)p-C(=O)-, -N(R4)-C(-O)-(CR7R8)q- or -C(=O)-N(R4)-(CR7R8)q-, p and q are each independently an integer of 1 to 3, R4, R5, R6, R7 and R8 are each independently a hydrogen atom or lower alkyl, A1 is benzoxazolinone or the like, and A2 is optionally substituted phenyl or the like, or a pharmaceutically acceptable salt or a solvate thereof.