potassium dichromate; (benzyl)-tri-(butyl)-ammonium chloride in N,N,N',N',N'',N''-hexamethylphosphoric triamide T=140 - 150°C; 8 h; Title compound not separated from byproducts;
Deryagina, E. N.; Korchevin, A. N.
Russian Journal of General Chemistry, 1997 , vol. 67, # 3 p. 488
Zhurnal Obshchei Khimii, 1997 , vol. 67, # 3 p. 524
