(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                                                                                                                                                              在
                                                                                                                                                                                 
水                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷   、                                                                                         
三氟乙酸                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                以90%的产率得到(1S,3R,4S,5R,6R,7R,4'R,5'R)-1-[4'-acetoxy-5'-methyl-6'-phenylhex-1'-yl]-3,4,5-tris(benzyloxymethyl)-4,6,7-trihydroxy-2,8-dioxabicyclo[3.2.1]octane