Catalyst-free synthesis of benzofuran-fused pyrido[4,3-d]pyrimidines from 2-(2-hydroxyaryl)acetonitrile and 4,6-dichloropyrimidine-5-carbaldehyde through domino condensation reactions†
Zhizhou Yue,Haoyue Xiang,Linlin Lv,Shanshan Song,Zehong Miao,Chunhao Yang
RSC Advances Pub Date : 11/07/2013 00:00:00 , DOI:10.1039/C3RA44828B
Abstract

A rapid, one-pot, catalyst-free approach to novel benzofuran-fused pyrido[4,3-d]pyrimidines with good antitumor activities via a cascade SNAr/cyclization/condensation reaction through 2-(2-hydroxyphenyl)acetonitriles and 4,6-dichloropyrimidine-5-carbaldehyde was developed.

Graphical abstract: Catalyst-free synthesis of benzofuran-fused pyrido[4,3-d]pyrimidines from 2-(2-hydroxyaryl)acetonitrile and 4,6-dichloropyrimidine-5-carbaldehyde through domino condensation reactions