Simple and catalyst-free method for the synthesis of diaryl selenides by reactions of arylselenols and arenediazonium salts
作者:Renata A. Balaguez、Vanessa Gentil Ricordi、Camilo S. Freitas、Gelson Perin、Ricardo F. Schumacher、Diego Alves
DOI:10.1016/j.tetlet.2013.12.086
日期:2014.1
catalyst-free method to synthesize diaryl selenides by reaction of arenediazonium tetrafluoroborate salts with arylselenols, generated in situ by using diaryl diselenides and hypophosphorous acid (H3PO2), using THF as solvent. This is a direct nucleophilic aromatic substitution (SNAr) reaction performed with diaryl diselenides and arenediazoniumsalts bearing electron-withdrawing and electron-donating
我们在此描述一种简单且无催化剂的方法,该方法是通过使用二芳基二硒化物和次磷酸(H 3 PO 2),以四氢呋喃为溶剂,通过四氟硼酸芳族重氮鎓盐与芳基硒醇的反应来合成二芳基硒化物。这是直接的亲核芳族取代(SNAr)反应,使用带有吸电子和供电子基团的二芳基二硒化物和烯二唑鎓盐以中等至良好的收率提供相应的二芳基硒化物。