It is intended to provide a bicyclic γ-amino acid derivative having excellent activity as an α
2
δ ligand. The present invention provides a compound represented by the general formula (I):
wherein R
1
, R
2
, R
2′
, R
4
, R
5
, R
6
, R
7
, R
8
, and R
8′
are a hydrogen atom or the like; and R
3
is a hydrogen atom, a halogen atom, a C1-C6 alkyl group, or the like.
It is intended to provide a bicyclic γ-amino acid derivative having excellent activity as an α2δ ligand. The present invention provides a compound represented by the general formula (I):
wherein R1, R2, R2′, R4, R5, R6, R7, R8, and R8′ are a hydrogen atom or the like; and R3 is a hydrogen atom, a halogen atom, a C1-C6 alkyl group, or the like.
Preparation Method for Optically Active Bicyclic Gamma-Amino Acid Compound
申请人:DAIICHI SANKYO COMPANY, LIMITED
公开号:US20150218123A1
公开(公告)日:2015-08-06
An object of the present invention is to provide an optically active bicyclic γ-amino acid derivative in a high purity. The object can be attained by a mixture of compounds represented by the general formulas (I) and (I′), or a method for producing a compound represented by the general formula (VII) or a salt thereof via the compound (I):
wherein R
1
and R
2
each represent a C1-6 alkyl group or the like; and R
3
represents a cyano group or the like,
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