1: With N-ethyl-N,N-diisopropylamine in N,N-dimethyl-formamide T=20°C; 0.5 h; 2: With potassium carbonate in N,N-dimethyl-formamide T=80°C; 20 h;
参考文献
BAELL, Jonathan Bayldon; STREET, Ian Philip; SLEEBS, Brad Edmund
Patent: WO2012/131297 A1, 2012 ;
Location in patent: Page/Page column 85 ;
WO 2012/131297 A1