1: With sodium thiomethoxide in 1-methyl-pyrrolidin-2-one
T=100°C; 3 h; Inert atmosphere;
2: With hydrogenchloride in 1-methyl-pyrrolidin-2-one; water
T=20°C;
参考文献
Daiichi Sankyo Company, Limited
Patent: EP2239253 A1, 2010 ;
Location in patent: Page/Page column 44 ;
EP 2239253 A1