反应条件
1: 3-nitro-1H-pyrazole With sodium hydride in N,N-dimethyl-formamide
0.166667 h;
2: ethyl bromide in N,N-dimethyl-formamide
T=-25°C; 20 h;
参考文献
Berthel, Steven Joseph; Kester, Robert Francis; Murphy, Douglas Eric; Prins, Thomas Jay; Ruebsam, Frank; Sarabu, Ramakanth; Tran, Chinh Viet; Vourloumis, Dionisios
Patent: US2008/21032 A1, 2008 ;
Location in patent: Page/Page column 44 ;
US 20080021032 A1
