A novel synthesis of 5-acylaminobenzimidazole-2-carbamates : intramolecular regioselective addition to quinone-imides.
作者:S. Rajappa、R. Sreenivasan、A.V. Rane
DOI:10.1016/s0040-4039(00)88121-6
日期:1983.1
Oxidation of N′,N″ -biscarbomethoxy-N-(4-acylamino) phenylguanidines with lead tetraacetate has given novel 5-acylaminobenzimidazole-2-carbamates by a process involving regioselective cyclization of intermediate quinoneimides.
N',N''-双碳甲氧基-N-(4-酰基氨基)苯基胍用四乙酸铅的氧化通过涉及中间喹啉亚胺的区域选择性环化的方法得到了新颖的5-酰基氨基苯并咪唑-2-氨基甲酸酯。