(E,3R,7S,9R,10S,11S)-11-[tert-butyl(dimethyl)silyl]oxy-13-[tert-butyl(diphenyl)silyl]oxy-1-[(3,4-dimethoxyphenyl)methoxy]-10-[(4-methoxyphenyl)methoxy]-3,9-dimethyl-3,9-bis(trimethylsilyloxy)tridec-5-en-7-ol 在
potassium carbonate 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以93%的产率得到(8S,11S,12S,E)-12-((tert-butyldimethylsilyl)oxy)-4-(2-((3,4-dimethoxybenzyl)oxy)ethyl)-11-((4-methoxybenzyl)oxy)-2,2,4,10,17,17-hexamethyl-16,16-diphenyl-3,15-dioxa-2,16-disilaoctadec-6-ene-8,10-diol