7-[Ethyl-[[3-[2-[3-(hexoxymethyl)-5-[6-[5-[3-(hexoxymethyl)-5-iodophenyl]pyridin-2-yl]pyridin-3-yl]phenyl]ethynyl]-5-[2-tri(propan-2-yl)silylethynyl]phenyl]methyl]amino]-4,6-dimethylchromen-2-one 、
coumarin 343 3-ethynyl-5-[2-(triisopropylsilyl)ethynyl]benzyl ester 在
四(三苯基膦)钯 作用下,
以
四氢呋喃 、
三乙胺 为溶剂,
反应 38.0h,
以94%的产率得到[3-[2-[3-[6-[5-[3-[2-[3-[[(4,6-Dimethyl-2-oxochromen-7-yl)-ethylamino]methyl]-5-[2-tri(propan-2-yl)silylethynyl]phenyl]ethynyl]-5-(hexoxymethyl)phenyl]pyridin-2-yl]pyridin-3-yl]-5-(hexoxymethyl)phenyl]ethynyl]-5-[2-tri(propan-2-yl)silylethynyl]phenyl]methyl 4-oxo-3-oxa-13-azatetracyclo[7.7.1.02,7.013,17]heptadeca-1,5,7,9(17)-tetraene-5-carboxylate