The 5-endo-dig-iodocyclization of o-alkynylphenols with iodine in the presence of NaHCO3 at room temperature produces functionalised 2-substituted-3-iodobenzo[b]furans, which are useful synthetic intermediates for the preparation of 2,3-disubstituted benzo[b]furans via palladium-catalysed reactions.
A new approach to 2,3- disubstituted benzo[b ]furans from o- alkynylphenols via 5-endo- dig- iodocyclisation / palladium catalysd reactions
A. ARCADI;MARINELLI, Fabio;
1999-01-01
Abstract
The 5-endo-dig-iodocyclization of o-alkynylphenols with iodine in the presence of NaHCO3 at room temperature produces functionalised 2-substituted-3-iodobenzo[b]furans, which are useful synthetic intermediates for the preparation of 2,3-disubstituted benzo[b]furans via palladium-catalysed reactions.File in questo prodotto:
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