5,8-二溴-[1,2,4]噻唑并[1,5-a]吡嗪合成路线 (共 2 条)
反应条件
1: With PPA T=50 - 70°C; 2.75 h; 2: With sodium hydrogencarbonate in water T=20°C; pH=8;
参考文献
WO2007/138072 A2, ;
Page/Page column 44 ;
反应条件
1.1: hydroxylamine hydrochloride / methanol / 16 h / 20 °C 2.1: polyphosphoric acid (PPC) / 2.75 h / 50 - 70 °C 2.2: pH 8 View Scheme