Libman, N. M.; Shandybina, O. N.
Journal of Organic Chemistry USSR (English Translation), 1984 , vol. 20, p. 2290 - 2293
Zhurnal Organicheskoi Khimii, 1984 , vol. 20, # 12 p. 2517 - 2521
sodium hydride in N,N,N',N',N'',N''-hexamethylphosphoric triamide Yield given. Yields of byproduct given. Title compound not separated from byproducts;