1-乙酰氧基-2-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,
以11%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