乙基溴化镁 、
(5R,6S)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-5-formyl-2,2-dimethyl-[1,3,4]oxadiazinane-3,4-dicarboxylic acid di-tert-butyl ester 以
四氢呋喃 、
六甲基磷酰三胺 为溶剂,
生成 (5S,6S)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-5-((R)-1-hydroxy-propyl)-2,2-dimethyl-[1,3,4]oxadiazinane-3,4-dicarboxylic acid di-tert-butyl ester 、 (5S,6S)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-5-((S)-1-hydroxy-propyl)-2,2-dimethyl-[1,3,4]oxadiazinane-3,4-dicarboxylic acid di-tert-butyl ester