2-[5-(4-Bromo-1-methoxymethyl-1H-indol-3-yl)-oxazol-2-ylmethyl]-isoindole-1,3-dione 、
(S)-4-{3-[(S)-3-(tert-Butyl-dimethyl-silanyloxymethyl)-7-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-2,3-dihydro-benzofuran-3-yl]-4-methoxy-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80%的产率得到4-[3-(3-(tert-butyl-dimethyl-silanyloxymethyl)-7-{3-[2-(1,3-dioxo-1,3-dihydro-isoindol-2-ylmethyl)-oxazol-5-yl]-1-methoxymethyl-1H-indol-4-yl}-2,3-dihydro-benzofuran-3-yl)-4-methoxy-benzyl]-2,2-dimethyl-oxazolidine-3-carboxylic acid benzyl ester