1: With caesium carbonate in ethanol 2: With Merryfield resin in N,N-dimethyl-formamide T=50°C; 72 h; 3: With di(n-butyl)tin oxide in chlorobenzene T=133°C; 18 h; Further stages. Further byproducts.;
参考文献
Journal of the Chemical Society. Perkin Transactions 1, , # 5 p. 629 - 637
in various solvent(s) T=180 - 200°C; 3 h; Further byproducts given;
参考文献
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 31, # 1 p. 133 - 136
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 1 p. 141 - 144
