Cascade Carbopalladation Reaction between Alkynes and <i>gem</i>-Dibromoolefins: Facile Access to Monoannelated Pentalenes
作者:Pablo Rivera-Fuentes、Margarete von Wantoch Rekowski、W. Bernd Schweizer、Jean-Paul Gisselbrecht、Corinne Boudon、François Diederich
DOI:10.1021/ol301670d
日期:2012.8.17
A carbopalladation cascade reaction of easily accessible gem-dibromoolefins and alkynes furnishes monobenzo- and mononaphthopentalenes. The new chromophores accessed by this short route exhibit small HOMO-LUMO gaps and redox amphoteric behavior with tunable redox potentials.