作者:Paula Aulaskari、Markku Ahlgrén、Pirjo Vainiotalo、Esko Pohjala
DOI:10.1002/jhet.5570370114
日期:2000.1
high yield preparation methods were developed for the pharmaceutically interesting compounds, 1-benzyl-, 1-methyl-, and 1H-5-[(2-oxo-2-phenyl)ethyl]imidazoles 1a-c, respectively. The title compounds were synthesized by four different methods using various starting materials. Two of the methods involved transformation reactions of the key intermediates, 1-substituted-5-[(2-nitro-2-phenyl)ethenyl]imidazoles
已开发出新的高收率制备方法,分别用于药用化合物1-苄基,1-甲基和1 H -5-[(2-氧代-2-苯基)乙基]咪唑1a-c。使用多种起始原料通过四种不同方法合成标题化合物。其中两种方法涉及关键中间体的转化反应,即1-取代的5-[(2-硝基-2-苯基)乙烯基]咪唑2a-c和1-取代的5-[(2-硝基-2-苯基) )乙基]咪唑3a-c,而其他两个化合物利用氧化铬氧化1-取代的[[2-(2-羟基-2-苯基)乙基]咪唑4a-c,然后进行苯甲醛的聚醚反应由的缩合反应极性转换咪唑甲醛的中间体6a-c。