叔丁基二甲基氯硅烷 、 (2S,4S,5R,6R)-5-Acetylamino-4-hydroxy-2-p-tolylsulfanyl-6-((1R,2R)-1,2,3-trihydroxy-propyl)-tetrahydro-pyran-2-carboxylic acid methyl ester 在
lutidine 作用下,
以
二氯甲烷 为溶剂,
生成
methyl (p-tolyl 5-acetamido-4,7,8,9-tetra-O-tert-butyldimethylsilyl-3,5-dideoxy-2-thio-D-glycero-α-D-galacto-non-2-ulopyranosid)onate