ESR identification and conformation of a persistent free radical in the (4+2)-cycloaddition reaction of xanthenethione with phenylallene
作者:J. Kamphuis、R.G. Visser、H.J.T. Bos、A. Mackor
DOI:10.1016/s0040-4039(00)81908-5
日期:1983.1
In the (4+2)-cycloaddition reaction of xanthenethione with phenylallene to give amongst other, thiopyran derivative and thiopyran as the isolable product, a ketyl radical has been found and identified by ESR spectroscopy. Its conformation and role in the formation of compound are discussed.