反应条件
1: in N,N-dimethyl-formamide T=20°C; 2: With 4-(N,N-dimethlyamino)pyridine; acetic anhydride; triethylamine in acetonitrile T=20°C; 4 h;
参考文献
ZAHAJSKA, Lenka; Hanus, Jan; Spichal, Lukas; Voller, Jiri; Strnad, Miroslav
Patent: US2013/72506 A1, 2013 ;
Location in patent: Paragraph 0150 ;