Chemical Communications 2011-08-14

Three-component coupling using arynes and DMF: straightforward access to coumarins via ortho-quinone methides.

Hiroto Yoshida, Yu Ito, Joji Ohshita

文献索引：Chem. Commun. (Camb.) 47(30) , 8512-4, (2011)

全文：HTML全文

摘要

ortho-Quinone methides, arising from a formal [2+2] cycloaddition between arynes and DMF, were found to facilely undergo a [4+2] cycloaddition with ester enolates or ketenimine anions to produce diverse coumarins in a straightforward manner.This journal is © The Royal Society of Chemistry 2011