2-苄氧基溴苯   、                                                                                      
1-tributylstannyl-3,4,6-tri-O-(tert-butyldimethylsilyl)-D-glucal                                                                                                                                                              在
                                                                                                                                                                                 bis-triphenylphosphine-palladium(II) chloride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以4%的产率得到[(2R,3R,4R)-6-[(2R,3R,4R)-3,4-bis[[tert-butyl(dimethyl)silyl]oxy]-2-[[tert-butyl(dimethyl)silyl]oxymethyl]-3,4-dihydro-2H-pyran-6-yl]-3,4-bis[[tert-butyl(dimethyl)silyl]oxy]-3,4-dihydro-2H-pyran-2-yl]methoxy-tert-butyl-dimethylsilane