[(2S,3R,4R,5S,6R)-2-methoxy-5-(4-methylphenyl)sulfonyl-3-phenylmethoxy-6-(trityloxymethyl)oxan-4-yl]methyl methanesulfonate                                                                                                                                                              在
                                                                                                                                                                                 
potassium tert-butylate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以0.43 g的产率得到methyl 2-O-benzyl-3,4-dideoxy-3,4-cyclo-C-methylene-4-(4-methylphenyl)sulfonyl-6-O-triphenylmethyl-α-D-glucopyranoside