The formation of acylimino-derivatives of indoles and pyrroles by reactions with nitrilium salts
作者:Stephen C. Eyley、Robert G. Giles、Harry Heaney
DOI:10.1016/s0040-4039(00)98776-8
日期:1985.1
fluoroborates are prepared rapidly by warming trimethyloxonium fluoroborate with a slight excess of the nitrile, subsequent addition of indoles and pyrroles at low temperatures (−50° to −20°) gives iminium salts (and hence ketones) in high yields.