3-Oxo-cyclopentanecarboxylic acid butyl ester 在
sodium dithionite 作用下,
生成
(1R,3S)-3-Hydroxy-cyclopentanecarboxylic acid butyl ester 、 (1S,3R)-3-Hydroxy-cyclopentanecarboxylic acid butyl ester 、 (1S,3S)-3-Hydroxy-cyclopentanecarboxylic acid butyl ester