in N,N,N',N',N'',N''-hexamethylphosphoric triamide
22 h;
参考文献
Cornforth, John; Sierakowski, Andrew F.; Wallace Timothy W.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1982 , # 10 p. 2299 - 2316
