(4S,5R,6S)-5-Benzyloxy-7-(tert-butyl-dimethyl-silanyloxy)-4,6-dimethyl-heptan-3-one 、 (2R,3R,4R,5S,6R)-5-(tert-Butyl-dimethyl-silanyloxy)-7-(tert-butyl-diphenyl-silanyloxy)-3-methoxymethoxy-2,4,6-trimethyl-heptanal 在
lithium hexamethyldisilazane 作用下,
以
四氢呋喃 为溶剂,
反应 0.03h,
生成 (2S,3R,4S,6S,7S,8S,9S,10R,11S,12R)-3-Benzyloxy-1,11-bis-(tert-butyl-dimethyl-silanyloxy)-13-(tert-butyl-diphenyl-silanyloxy)-7-hydroxy-9-methoxymethoxy-2,4,6,8,10,12-hexamethyl-tridecan-5-one 、
(2S,3R,4S,6R,7S,8S,9S,10R,11S,12R)-3-Benzyloxy-1,11-bis-(tert-butyl-dimethyl-silanyloxy)-13-(tert-butyl-diphenyl-silanyloxy)-7-hydroxy-9-methoxymethoxy-2,4,6,8,10,12-hexamethyl-tridecan-5-one 、 (2S,3R,4S,6S,7R,8S,9S,10R,11S,12R)-3-Benzyloxy-1,11-bis-(tert-butyl-dimethyl-silanyloxy)-13-(tert-butyl-diphenyl-silanyloxy)-7-hydroxy-9-methoxymethoxy-2,4,6,8,10,12-hexamethyl-tridecan-5-one