in diethyl ether T=-40°C; Yield given. 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. 30, # 5 p. 855 - 857
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 5 p. 1095 - 1098