1: With pyridine; triphenylphosphine in tetrachloromethane; acetonitrile T=80°C; 12 h; 2: With ammonia in methanol; tetrachloromethane; acetonitrile T=100°C; 6 h;
Sharma, S. D.; Mehra, Usha; Pandhi, S. B.; Khurana, J. P. S.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1988 , vol. 27, p. 494 - 497