1-(3,5-二乙酰氧基苯基)溴乙烷合成路线 (共 4 条)
反应条件
phosphorus tribromide in DMF (N,N-dimethyl-formamide); dichloromethane T=0°C; 3 h;
参考文献
WO2005/23740 A2, ;
Page/Page column 7 ;
反应条件
1: 1-(1-bromoethyl)-3,5-diacetoxybenzene With lithium carbonate in isobutyramide T=120°C; 2 h; Inert atmosphere; 2: 1-bromo-4-acetoxybenzene With potassium phosphate; palladium oximate in isobutyramide T=130°C; 19.75 h; Inert atmosphere; 3: With water; potassium carbonate T=110°C; 2.5 h; Product distribution / selectivity;
参考文献
DSM IP ASSETS B.V.; WEHRLI, Christof
Patent: WO2012/80120 A1, 2012 ;
Location in patent: Page/Page column 6 ;
反应条件
1: 1-(1-bromoethyl)-3,5-diacetoxybenzene With lithium carbonate in N,N-dimethyl acetamide T=120°C; 2 h; Inert atmosphere; 2: 1-bromo-4-acetoxybenzene With potassium carbonate; palladium oximate (CAS 32679-19-9) in N,N-dimethyl acetamide T=130°C; Heck Reaction; 3.25 h; Inert atmosphere; 3: With water T=115°C; 2 h; Product distribution / selectivity;
参考文献
EP2468706 A1, ;
Page/Page column 2 ;
反应条件
1: 1-(1-bromoethyl)-3,5-diacetoxybenzene With lithium carbonate in N,N-dimethyl acetamide T=120°C; 2 h; Inert atmosphere; 2: 1-bromo-4-acetoxybenzene With potassium carbonate; palladium oximate (CAS 32679-19-9) in N,N-dimethyl acetamide T=130°C; Heck Reaction; 3.25 h; Inert atmosphere; 3: With water T=115°C; 2 h; Product distribution / selectivity;
参考文献
EP2468706 A1, ;
Page/Page column 2 ;