Synthesis of imidazolin-2-ones by rearrangement of N-carbamoyliminium salts derived from 4-hydroxyimidazolidin-2-ones
作者:T. L. Hough
DOI:10.1002/jhet.5570260603
日期:1989.11
The action of trifluoroacetic acid on 4-hydroxyimidazolidin-2-ones 9a,b,c induces the formation of N-carbamoyliminium salts 10a,b,c which rearrange to imidazolin-2-ones 11a,b,c. The reactions proceed in high yield at ambient temperatures.
三氟乙酸对4-羟基咪唑啉-2-酮9a,b,c的作用诱导形成N-氨基甲酰基亚胺盐10a,b,c,其重排成咪唑啉-2-酮11a,b,c。反应在环境温度下以高收率进行。