Toluene-4-sulfonic acid (1R,4S)-1-[(2S,5R,2'S,5'S)-5'-(tert-butyl-diphenyl-silanyloxymethyl)-octahydro-[2,2']bifuranyl-5-yl]-4,5-dihydroxy-pentyl ester 在
sodium hydride 作用下,
以
四氢呋喃 为溶剂,
反应 0.5h,
以70%的产率得到[(2S,5S,2'R,5'S,2''S,5''S)-5''-(tert-Butyl-diphenyl-silanyloxymethyl)-dodecahydro-[2,2';5',2'']terfuran-5-yl]-methanol