反应条件
1: 6-bromo-1,3-dihydro-2H-indol-2-one With lithium hexamethyldisilazane in tetrahydrofuran
T=0°C; 0.25 h;
2: N-(2,2'-bischloro)diethyl-N-(1,1-dimethylethoxy)carbonyl amine in tetrahydrofuran
T=0 - 20°C;
3: With hydrogenchloride in tetrahydrofuran; water
