反应条件
1: 4-methyl-3-oxo-2,3-dihydro-4H-1,4-benzoxazine With sodium hydride in N,N-dimethyl-formamide; mineral oil T=0 - 5°C; 2 h; Inert atmosphere; 2: ethyl iodide in N,N-dimethyl-formamide; mineral oil T=20°C; Cooling with ice;
参考文献
Hunziker, Daniel; Lerner, Christian; Mueller, Werner; Sander, Ulrike Obst; Pflieger, Philippe; Waldmeier, Pius
Patent: US2010/249124 A1, 2010 ;
Location in patent: Page/Page column 47 ;
US 20100249124 A1
