Condensation reactions of o-phenylenediamine and 2 equiv of acetone produce biaryl-substituted 1, 5-benzodiazepines. The synthetic protocol shows general applicability since similar reaction of o-phenylenediamines, o-aminophenol, and o-aminothiophenol with ketones or chalcones leads to formation of functionalized 1,5-benzoheteroazepines in good to excellent yields. The synthetic protocol fulfills many green-chemical requirements using simple MW-assistance to promote the activation of ketones and the eco-compatible Er(III) triflate as activator of chalcones

1 ,5-Benzoheteroazepines through eco-friendly general condensation reactions

NARDI M;
2011-01-01

Abstract

Condensation reactions of o-phenylenediamine and 2 equiv of acetone produce biaryl-substituted 1, 5-benzodiazepines. The synthetic protocol shows general applicability since similar reaction of o-phenylenediamines, o-aminophenol, and o-aminothiophenol with ketones or chalcones leads to formation of functionalized 1,5-benzoheteroazepines in good to excellent yields. The synthetic protocol fulfills many green-chemical requirements using simple MW-assistance to promote the activation of ketones and the eco-compatible Er(III) triflate as activator of chalcones
2011
SOLVENT-FREE CONDITIONS; ONE-POT SYNTHESIS; 1,5-BENZODIAZEPINE DERIVATIVES
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.12078/1766
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