Efficient generation of indeno[1,2-c]chromenes via the Pd-catalyzed reaction of 2-alkynylhalobenzenes with 2-alkynylphenols†
Yong Luo,Linxiang Hong,Jie Wu
Chemical Communications Pub Date : 03/31/2011 00:00:00 , DOI:10.1039/C1CC11169H
Abstract

A palladium-catalyzed reaction of 2-alkynylhalobenzenes with 2-alkynylphenols in the presence of PCy3 is discovered, which provides an efficient and facile route to indeno[1,2-c]chromenes. This reaction works efficiently, leading to the corresponding products in good to excellent yields.

Graphical abstract: Efficient generation of indeno[1,2-c]chromenes via the Pd-catalyzed reaction of 2-alkynylhalobenzenes with 2-alkynylphenols