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Report | Regular issue | Vol 20, No. 8, 1983, pp.1559-1562
Published online, 1st January, 1970
DOI: 10.3987/R-1983-08-1559
Intramolecular Cyclization Reaction of Some 2-Alkenylphenols with Tl(III) Nitrate

Maria Luigia Forcellese, Carlo Alfonsi, Settimia Calvitti, and Enrico Mincione

*del C. N. R., c/o Istituto do Chimica Organica, Università degli Studi di Roma “La Sapienza”, Piazzale Aldo Moro 2 - 00185 Roma, Italy

Abstract

Some 2-allylphenols give an intramolecular cyclization by reaction with Tl(III) nitrate (TTN) leading to 2-substituted 2,3-dihydrobenzofurans; 2-substituted 2,3-dihydrobenzopyran is obtained from 2-(3-butenyl)phenol with the same reagent.