BF3·Et2O-mediated intramolecular cyclization of unsaturated amides: convenient synthesis of dihydroquinolin-2-one-BF2 complexes?

RSC Advances Pub Date: 2014-08-07 DOI: 10.1039/C4RA06151A

Abstract

A facile and efficient synthesis of substituted dihydropyridone–BF2 complexes is developed via intramolecular cyclization of α-acyl acrylamides and α-acyl cinnamamides mediated by BF3·Et2O.

Graphical abstract: BF3·Et2O-mediated intramolecular cyclization of unsaturated amides: convenient synthesis of dihydroquinolin-2-one-BF2 complexes
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