Improved Method for Preparation of 3-(1 H -Indol-3-yl)benzofuran-2(3 H )-ones.

Igor Yu GrishinNikolai A ArutiunovDmitrii A AksenovNicolai A Aksenov Alexander V AksenovAmina Z GasanovaElena A SorokinaCarolyn LowerMichael Rubin

Published in: Molecules (Basel, Switzerland) (2022)

3-(1 H -Indol-3-yl)benzofuran-2(3 H )-ones were efficiently accessed via polyphosphoric acid-mediated condensation of 3-(2-nitrovinyl)-1 H -indoles with phenols.

Keyphrases

mass spectrometry