(4R,5R,6R)-2,4-Bis-(2-chloro-acetoxy)-6-((R)-1,2-diacetoxy-ethyl)-5-[(2S,3S,4S,5R,6R)-3,4,5-triacetoxy-6-((S)-1,2-diacetoxy-ethyl)-tetrahydro-pyran-2-yloxy]-tetrahydro-pyran-2-carboxylic acid methyl ester 在
hydrazine dithiocarbonate 、 4 A molecular sieve 、 lutidine 、
氰化汞 、
溴化钛(IV) 、
溶剂黄146 、 mercury dibromide 作用下,
以
硝基甲烷 、
二氯甲烷 为溶剂,
反应 103.0h,
生成
Methyl [2-acetamido-1-O-allyl-2,6-dideoxy-3,4-O-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-β-D-glucopyranos-6-yl O-(2'',3'',4'',6'',7''-penta-O-acetyl-L-glycero-α-D-manno-heptopyranosyl)-(1''->5')-7',8'-di-O-acetyl-3'-deoxy-D-manno-oct-2'-ulopyra...