(3aR,5S,7S,8R,9S,10S,10aR)-7-Chloro-2,2,3a,5,8,10-hexamethyl-9-phenoxy-octahydro-thionino[4,5-d][1,3]dioxole-5-carboxylic acid ethyl ester 在
borohydride 、
乙腈 、
calcium carbonate 作用下,
生成
(S)-3-[(4R,5R)-5-((1S,2R,3S)-2-Benzyloxy-4-hydroxy-1,3-dimethyl-butyl)-2,2,4-trimethyl-[1,3]dioxolan-4-yl]-2-methyl-2-methylsulfanyl-propionic acid ethyl ester