Polivin, Yu. N.; Karakhanov, R. A.; Kelarev, V. I.; Bratkov, A. A.; Ugrak, B. I.; et al.
Russian Chemical Bulletin, 1993 , vol. 42, # 1 p. 214
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1993 , # 1 p. 234 - 235
N-bromosuccinmide; silica gel in dichloromethane T=18°C; 0.33 h; one to four equivalents of NBS, other times; other N-heterocycles; Product distribution;
