作者:W. Russell Bowman、Anthony J. Fletcher、Jan M. Pedersen、Peter J. Lovell、Mark R.J. Elsegood、Elena Hernández López、Vickie McKee、Graeme B.S. Potts
DOI:10.1016/j.tet.2006.10.030
日期:2007.1
Amides have been successfully used as precursors of imidoyl radicals for radical cyclisation. The amides have been converted to imidoyl selanides via reaction with phosgene to yield imidoyl chlorides followed by reaction with potassium phenylselanide. Imidoyl selanides were reacted with tributyltin hydride (Bu3SnH) as the radical mediator with triethylborane or AIBN as initiators to yield imidoyl radicals
酰胺已成功地用作
亚胺基自由基的前体,用于自由基环化。酰胺已通过与
光气反应生成亚
氨酰
氯,然后与苯
硒化钾反应,已转化为亚
氨基酰
硒化物。
亚胺基
硒化物与氢化三
丁基锡(Bu 3 SnH)作为自由基介体反应,三乙基
硼烷或AIBN作为
引发剂,生成
亚胺基自由基用于环化反应。
酰亚胺基已被环化到烯烃上以产生2,3-取代的
吲哚和-
喹啉,并且还被
吡咯和
吲哚上以产生双环和
三环杂
芳烃。