1: N,N-dimethyl-formamide With phosphorus tribromide in dichloromethane T=0°C; 1 h; 2: N,N-dimethyl-5-methoxyindole-2-carboxamide in dichloromethane 3 h; Reflux; 3: With sodium hydrogencarbonate in water Cooling with ice;
参考文献
WYETH LLC; AYRAL-KALOUSTIAN, Semiramis; MANSOUR, Tarek Suhayl; TSOU, Hwei-Ru; ZHANG, Nan; VENKATESAN, Aranapakam M.; DI, Li; KERNS, Edward H.
Patent: WO2010/30727 A1, 2010 ;
Location in patent: Page/Page column 99-100 ;
WO 2010/030727 A1