N-ethyl-N,N-diisopropylamine in dichloromethane T=20°C; 16 h;
参考文献
Sin, Ny; Good, Andrew Charles; Venables, Brian Lee; Scola, Paul Michael; Meanwell, Nicholas A.
Patent: US2006/183694 A1, 2006 ;
Location in patent: Page/Page column 47-48 ;
US 20060183694 A1