Oxidation of Alkyl Trifluoroborates: An Opportunity for Tin-Free Radical Chemistry
作者:Geoffroy Sorin、Rocio Martinez Mallorquin、Yohan Contie、Alexandre Baralle、Max Malacria、Jean-Philippe Goddard、Louis Fensterbank
DOI:10.1002/anie.201004513
日期:2010.11.8
copper(II) salts and Dess–Martin periodinane via radical intermediates, as evidenced by TEMPO spin‐trapping experiments. This new method of radical generation is compatible with functionalization and CC bond formation through Giese‐type addition reactions (see scheme; DMSO=dimethyl sulfoxide, TEMPO=2,2,6,6‐tetramethyl‐1‐piperidinyloxyl, free radical).
TEMPO自旋俘获实验证明,有机三氟硼酸盐已通过自由基中间体被铜盐(II)和Dess-Martin高碘烷氧化。这种新的自由基生成方法与通过Giese型加成反应的官能化和CC键形成兼容(参见方案; DMSO =二甲基亚砜,TEMPO = 2,2,6,6-四甲基-1-哌啶基氧基,自由基) 。