A process for producing a compound represented by the following formula (II) which comprises treating a compound represented by the following formula (I) (wherein R
1
, R
2
and R
3
represent each a specific substituent) with an enzyme capable of asymmetrically hydrolyzing an ester and the novel compound (II). The process of the present invention makes it possible to easily obtain an optically active 2-azetidinone derivative in a large amount at a low cost.
1
一种制备下式(II)化合物的方法,包括用一种具有不对称
水解酯能力的酶处理下式(I)化合物(其中R1、R2和R3代表各自的特定取代基)和新化合物(II)。本发明的方法可以在低成本下轻松获得大量的光学活性2-氮杂
环戊酮衍
生物。