反应条件
1: With potassium carbonate; 1,2-bis-(diphenylphosphino)ethane; palladium diacetate in N,N-dimethyl acetamide T=80°C; 25 h; 2: With 2,3-dicyano-5,6-dichloro-p-benzoquinone in toluene 16 h; Heating; Further stages.;
参考文献
Tetrahedron, , vol. 64, # 26 p. 6021 - 6029