The reaction ofo-acyloxybenzylidenetriphenylphosphoranes with substituted benzoyl chlorides in anaprotic solvent led, together with the expected 2-phenylbenzofuran, to isomeric 3-benzoyl-2-phenylben-zofuran derivatives. This result formally corresponds to intramolecular migration of the benzoyl groupfrom theorthooxygen atom to the ylide carbanionviacyclization and ring opening of the startingo-acyloxybenzylidenetriphenylphosphoranes

Unexpected migration of a benzoyl group in the intramolecular Wittig reaction of o-acyloxybenzylidenephosphoranes with benzoyl chlorides: One-pot synthesis of isomeric 3-benzoyl-2-phenylbenzofurans

Mancinelli, Michele
Membro del Collaboration Group
;
2020

Abstract

The reaction ofo-acyloxybenzylidenetriphenylphosphoranes with substituted benzoyl chlorides in anaprotic solvent led, together with the expected 2-phenylbenzofuran, to isomeric 3-benzoyl-2-phenylben-zofuran derivatives. This result formally corresponds to intramolecular migration of the benzoyl groupfrom theorthooxygen atom to the ylide carbanionviacyclization and ring opening of the startingo-acyloxybenzylidenetriphenylphosphoranes
2020
Begala, Michela; Mancinelli, Michele; Delogu, Giovanna Lucia
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/782951
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