作者:Yahui Wang、Paul R. McGonigal、Bart Herlé、Maria Besora、Antonio M. Echavarren
DOI:10.1021/ja411626v
日期:2014.1.15
The fate of the aryl gold(I) carbenes generated by retro-Buchner reaction of ortho-substituted 7-aryl-1,3,5-cycloheptatrienes is dependent on the constitution of the ortho substituent. Indenes and fluorenes are obtained by intramolecular reaction of highly electrophilic gold(I) carbenes with alkenes and arenes. According to density functional theory calculations, the gold-catalyzed retro-Buchner process
由邻位取代的 7-芳基-1,3,5-环庚三烯的逆布氏反应生成的芳基金 (I) 卡宾的命运取决于邻位取代基的构成。茚和芴是通过高亲电性金 (I) 卡宾与烯烃和芳烃的分子内反应获得的。根据密度泛函理论计算,金催化的逆布氏过程逐步发生,尽管两个碳-碳裂解发生在相当平坦的势能表面上。