in toluene T=110°C; 3 h; Title compound not separated from byproducts;
参考文献
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 33, # 10 p. 2104 - 2108
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 10 p. 2306 - 2310