Issue 4, 2005

Studies on the 4-benzoylpyridine-3-carboxamide entity as a fragment model of the Isoniazid–NAD adduct

Abstract

An ortho-metallation–electrophilic substitution sequence was employed as a key step to build the 4-benzoylpyridine framework. It was found that 4-benzoylpyridine-3-carboxamide and an N-pyridyl alkylated derivative both exist in a unique cyclized hemiamidal structure, not in the usually expected keto-amide open form. These structures represent fragment models of the Isoniazid–NAD adducts involved in the mechanism of action of the antituberculous drug Isoniazid.

Graphical abstract: Studies on the 4-benzoylpyridine-3-carboxamide entity as a fragment model of the Isoniazid–NAD adduct

Supplementary files

Article information

Article type
Paper
Submitted
06 Oct 2004
Accepted
03 Dec 2004
First published
13 Jan 2005

Org. Biomol. Chem., 2005,3, 666-669

Studies on the 4-benzoylpyridine-3-carboxamide entity as a fragment model of the Isoniazid–NAD adduct

S. Broussy, V. Bernardes-Génisson, H. Gornitzka, J. Bernadou and B. Meunier, Org. Biomol. Chem., 2005, 3, 666 DOI: 10.1039/B415439H

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