Camps García, PelayoGómez Nadal, TàniaLozano Mena, DavidCalvet Pallàs, Maria TeresaFont Bardia, Ma. Mercedes2020-03-112020-03-112012-07-251420-3049https://hdl.handle.net/2445/152534Reaction of 1,3-diphenylisobenzofuran (DPIBF) with 2-(iodoethynyl)(phenyl)- iodonium triflate at room temperature gave the expected Diels-Alder adduct, but using an excess of DFIBF (2 equiv.) and performing the reaction at 55 °C or heating at this temperature during the concentration stage, the initial orange solution or product mixture became dark brown and the products 1,2-phenylene-1,2-bis(phenylmethanone) and 2-(3-iodo-1,4-diphenylnaphthyl)(phenyl)iodonium triflate were obtained, which suggests an oxygen transfer between DPIBF and the initial adduct.9 p.application/pdfengcc-by (c) Camps García, Pelayo et al., 2012http://creativecommons.org/licenses/by/3.0/esEspectroscòpia de ressonància magnètica nuclearDifracció de raigs XNuclear magnetic resonance spectroscopyX-rays diffractioninfo:eu-repo/semantics/article6155912020-03-11info:eu-repo/semantics/openAccess22832881