2-bromo-1-<(tert-butyldimethylsiloxy)methyl>-3,4,5-trimethoxybenzene 、
(S)-4-Phenyl-2-(2,3,4,5-tetramethoxy-phenyl)-4,5-dihydro-oxazole 在
magnesium 作用下,
以
四氢呋喃 为溶剂,
生成 (S)-2-[6'-(tert-Butyl-dimethyl-silanyloxymethyl)-4,5,6,2',3',4'-hexamethoxy-biphenyl-2-yl]-4-phenyl-4,5-dihydro-oxazole 、 (S)-2-[6'-(tert-Butyl-dimethyl-silanyloxymethyl)-4,5,6,2',3',4'-hexamethoxy-biphenyl-2-yl]-4-phenyl-4,5-dihydro-oxazole