Education Sciences.
MDPI AG.
Том 12.
2022.
3-(1H-Indol-3-yl)benzofuran-2(3H)-ones were efficiently accessed via polyphosphoric acid-mediated condensation of 3-(2-nitrovinyl)-1H-indoles with phenols. © 2022 by the authors. Licensee MDPI, Basel, Switzerland.