(2S,3S)-3-[(2S,4R,5R,6R)-4,5-Bis-(tert-butyl-dimethyl-silanyloxy)-6-methyl-tetrahydro-pyran-2-yloxy]-2-methyl-3,4-dihydro-2H-pyran 在
四丁基氟化铵 、
三苯基膦氢溴酸盐 作用下,
以
四氢呋喃 、
二氯甲烷 为溶剂,
反应 4.0h,
生成 (1S,3R,9R,10S)-9-[(2S,5S,6S)-5-((2S,5S,6R)-5-Hydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-6-methyl-tetrahydro-pyran-2-yloxy]-3-methyl-4,11-dioxa-bicyclo[8.1.0]undecane-5,7-dione