[5-(4-Bromo-1-methoxymethyl-1H-indol-3-yl)-oxazol-2-yl]-acetic acid methyl ester 、
(S)-4-{4-Methoxy-3-[(S)-3-methoxycarbonyl-7-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-2,3-dihydro-benzofuran-3-yl]-benzyl}-2,2-dimethyl-oxazolidine-3-carboxylic acid benzyl ester 在
1,1'-双(二苯膦基)二茂铁二氯化钯(II)二氯甲烷复合物 、
potassium carbonate 作用下,
以
乙二醇二甲醚 为溶剂,
反应 12.0h,
以24%的产率得到(S)-4-(4-Methoxy-3-{(S)-3-methoxycarbonyl-7-[3-(2-methoxycarbonylmethyl-oxazol-5-yl)-1-methoxymethyl-1H-indol-4-yl]-2,3-dihydro-benzofuran-3-yl}-benzyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid benzyl ester