反应条件
1: 3-phenylsydnone; ethyl 3-bromopropiolate in para-xylene 5 h; Inert atmosphereReflux; 2: 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-phenylamine With tetrakis(triphenylphosphine) palladium(0); potassium carbonate in ethanol; para-xylene; water Suzuki coupling; 24 h; Inert atmosphereReflux; regioselective reaction;
参考文献
Chang, En-Chiuan; Wen, Ya-Lan; Chang, Chun-Hsi; Shen, Yun-Hwei; Wen, Shaw-Bing; Yeh, Mou-Yung; Wong, Fung Fuh
Tetrahedron, 2012 , vol. 68, # 29 p. 5920 - 5924