反应条件
1.1: phosphorus tribromide / chloroform / 1.25 h / 0 - 20 °C / |Inert atmosphere 1.2: 20 °C / |Inert atmosphere 1.3: pH 8 / |Inert atmosphere; |Cooling with ice 2.1: water; 2-mesityl-2,5,6,7-tetrahydropyrrolo[2,1-c][1,2,4]triazol-4-ium chloride; triethylamine / tetrahydrofuran / 25 °C / |Inert atmosphere View Scheme
参考文献
Journal of Organic Chemistry, , vol. 78, # 12 p. 6223 - 6232