(3R,5R)-5-[(E)-(1R,2S,5R,6S)-5,7-Bis-(tert-butyl-dimethyl-silanyloxy)-1-methoxy-2,4,6-trimethyl-hept-3-enyl]-3-methyl-dihydro-furan-2-one 在
仲丁基锂 、
二异丁基氢化铝 作用下,
以
苯 为溶剂,
生成 (E)-(1R,2R,4R,5S,6R,9S,10R)-9,11-Bis-(tert-butyl-dimethyl-silanyloxy)-1-[3-(2,5-dimethyl-pyrrol-1-yl)-2,5-dimethoxy-phenyl]-5-methoxy-2,6,8,10-tetramethyl-undec-7-ene-1,4-diol