2-[(1S,3R,5S,7R,12S,14R,16S,18R,19R,21S,23R,25S,26R,28S,30R)-5,8,18,25,28,30-hexamethyl-26-trimethylsilyloxy-2,6,11,15,20,24,29-heptaoxaheptacyclo[17.13.0.03,16.05,14.07,12.021,30.023,28]dotriacont-8-en-25-yl]ethyl-triphenylphosphanium;iodide 、
(2R,4aR,5S,7R,8aR,9aS,10aR)-5-(tert-Butyl-dimethyl-silanyloxy)-7-[2-(tert-butyl-diphenyl-silanyloxymethyl)-allyl]-3,3-bis-ethylsulfanyl-10a-methyl-decahydro-1,8,10-trioxa-anthracene-2-carbaldehyde 在
六甲基磷酰三胺 、
正丁基锂 作用下,
以
四氢呋喃 、
正己烷 为溶剂,
反应 0.5h,
以94.9 mg的产率得到