ketoemblide 在
sodium tetrahydroborate 作用下,
以
四氢呋喃 为溶剂,
生成
(5Z,7E)-(1R,2R)-2-Hydroxy-8-isopropyl-1-methyl-16-oxo-15-oxa-bicyclo[9.3.2]hexadeca-5,7,11-triene-5-carboxylic acid methyl ester 、 (5Z,7E)-(1R,2S)-2-Hydroxy-8-isopropyl-1-methyl-16-oxo-15-oxa-bicyclo[9.3.2]hexadeca-5,7,11-triene-5-carboxylic acid methyl ester