Method For Production of Optically Active Biphenylalanine Compound or Salt or Ester Thereof
申请人:Sugi Kiyoshi
公开号:US20090011475A1
公开(公告)日:2009-01-08
Disclosed is a method for production of an optically active biphenylalanine compound represented by the formula (2):
(wherein, R
2
is a protective group of an amino group, and R
3
and R
4
are each independently a hydrogen atom, etc.) or a salt thereof and an optically active biphenylalanine ester compound represented by the formula (3):
(wherein, R
1
is an alkyl group, etc.)
wherein the method comprises hydrolyzing a biphenylalanine ester compound represented by the formula (1):
with a protease produced by a microorganism belonging to
Bacillus
sp. in the presence of at least one alkali selected from an alkali metal hydroxide and an alkaline earth metal hydroxide.