International Journal on Minority and Group Rights. Том 10. 2003. С. 203-220
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.