Tributyltin hydride and 1-ethylpiperidine hypophosphite mediated intermolecular radical additions to 2,4,6-trichlorophenyl vinyl sulfonate
作者:Oluwabusola Edetanlen-Elliot、Richard J. Fitzmaurice、Jonathan D. Wilden、Stephen Caddick
DOI:10.1016/j.tetlet.2007.10.030
日期:2007.12
2,4,6-Trichlorophenyl vinyl sulfonate smoothly undergoes intermolecular radical addition under mild initiation conditions mediated by tributyltin hydride and 1-ethylpiperidine hypophosphite (EPHP) to generate a range of functionalised alkyl sulfonamide precursors. This methodology can be used to prepare bifunctional pentafluorophenyl/2,4,6-trichlorophenyl sulfonates in good yields.
2,4,6-三氯苯基乙烯基磺酸酯在氢化三丁基锡和1-亚乙基哌啶次磷酸酯(EPHP)的介导下,在温和的引发条件下平稳地进行分子间自由基加成,生成一系列官能化的烷基磺酰胺前体。该方法可用于以高收率制备双官能五氟苯基/ 2,4,6-三氯苯基磺酸盐。