Intramolecular hydrogen-bond activation for the addition of nucleophilic imines: 2-hydroxybenzophenone as a chemical auxiliary
作者:Houcine Choubane、Alberto F. Garrido-Castro、Cuauhtemoc Alvarado、Ana Martín-Somer、Andrea Guerrero-Corella、Mortada Daaou、Sergio Díaz-Tendero、M. Carmen Maestro、Alberto Fraile、José Alemán
DOI:10.1039/c8cc01479e
日期:——
The addition of nucleophilic imines, using 2-hydroxybenzophenone as a chemical auxiliary, is presented. An intramolecular six-membered ring via hydrogen bonding that enhances the reactivity and selectivity is the key of this strategy, which is supported by DFT calculations and experimental trials.