tert-Butyl-[(R)-1-((R)-1-methyl-2-phenyl-ethyl)-4-(1-oxo-1λ4-[1,3]dithian-2-yl)-butoxy]-diphenyl-silane 在
4-二甲氨基吡啶 作用下,
以
吡啶 为溶剂,
反应 26.0h,
生成 (4'R,5'R,1''R,2''R,3''R,4''S,5''R)-2-[4'-acetoxy-5'-methyl-6'-phenylhex-1'-yl]-2-[6''-benzyloxy-3'',4''-bis(benzyloxymethyl)-1'',2'',4'',5''-bis(di-O-isopropylidene)-3''-hydroxyhex-1''-yl][1,3]dithiane