Palladium(0)-catalyzed allylation of 4(5)-substituted imidazoles, 5(6)-substituted benzimidazoles, benzotriazole and 5(6)-methylbenzotriazole
作者:N. Arnau、Y. Arredondo、M. Moreno-Mañas、R. Pleixats、M. Villarroya
DOI:10.1002/jhet.5570320438
日期:1995.7
Pd(0)-Catalyzed allylations of 4(5)-nitroimidazole, 1, 2-methyl-4(5)-nitroimidazole, 2, 4(5)-bromo-imidazole, 7, 4(5)-methoxyimidazole, 10, 5(6)-nitrobenzimidazole, 16a, 5(6)-methylbenzimidazole, 16b, benzotriazole, 19, and 5(6)-methylbenzotriazole, 22, were studied under several reaction conditions. Nitroimidazoles 1 and 2 were regioselectively allylated under thermodynamic control, leading to 1-allyl-4-nitro
的Pd(0)的4(5) -硝基咪唑催化的烯丙基化,1,2-甲基-4(5) -硝基咪唑,2,4(5) -溴咪唑,7,4(5)-methoxyimidazole,10,在几种反应条件下研究了5(6)-硝基苯并咪唑16a,5(6)-甲基苯并咪唑16b,苯并三唑19和22(5)-甲基苯并三唑22。在热力学控制下将硝基咪唑1和2区域选择性烯丙基化,生成1-allyl-4-nitro衍生物。