Benzoic acid (1R,2R,3R)-3-[(2S,3R,4S,5R,6R)-4,5-bis-(tert-butyl-diphenyl-silanyloxy)-3-iodo-6-methyl-tetrahydro-pyran-2-yloxy]-2-(tert-butyl-diphenyl-silanyloxy)-1-methyl-pent-4-ynyl ester 在
三乙烯二胺 、
六羰基钨 、
二异丁基氢化铝 作用下,
以
四氢呋喃 、
二氯甲烷 为溶剂,
反应 6.5h,
生成 (2R,3R,4R)-4-[(2S,3R,4S,5R,6R)-4,5-Bis-(tert-butyl-diphenyl-silanyloxy)-3-iodo-6-methyl-tetrahydro-pyran-2-yloxy]-3-(tert-butyl-diphenyl-silanyloxy)-2-methyl-3,4-dihydro-2H-pyran