Free radical ring-expansion leading to novel six- and seven-membered heterocycles
作者:Paul Dowd、Soo-Chang Choi
DOI:10.1016/s0040-4020(01)80951-0
日期:1991.1
Free radical promoted ring-expansion of nitrogen-, oxygen- and sulfur-containing heterocyclic β-keto esters is described. Treatment of the derived phenylselenomethyl derivatives with tri-n-butyltin hydride leasds to smooth one-carbon ring expansion.
描述了自由基促进的含
氮,
氧和
硫的杂环β-
酮酯的扩环。用
氢化三正
丁基锡处理衍生的
苯基
硒代
甲基衍
生物可平滑一
碳环的扩展。