Synthesis of New 2,3-Disubstituted Quinoxalines from 4,4-Substituted Chalcones

A.Y. Deshmukh; P.B. Raghuwanshi; A.G. Doshi

Issue

Vol. 15 No. 2 (2003): Vol 15 Issue 2

Issue Published : May 2, 2003

Synthesis of New 2,3-Disubstituted Quinoxalines from 4,4-Substituted Chalcones

A.Y. Deshmukh

Department of Chemistry, S.S.K.R.I. College, Karanja (Lad), Washim-444 105, India

P.B. Raghuwanshi

Department of Chemistry, S.S.K.R.I. College, Karanja (Lad), Washim-444 105, India

A.G. Doshi

Department of Chemistry, S.S.K.R.I. College, Karanja (Lad), Washim-444 105, India

Corresponding Author(s) : A.Y. Deshmukh

Asian Journal of Chemistry, Vol. 15 No. 2 (2003): Vol 15 Issue 2
Article Published : March 30, 2010

Abstract

4'-Chlorochalcone (Ia), 4'-chloro-4-methoxychalcone (Ib), 4'nitrochalcone (Ic) and 4' -nitro-4-methoxychalcone (Id) react with bromine in acetic acid to give chalcone dibromides (lIa-d). The chalcone dibromides (IIa-d) condense with benzene 1,2-diamine (BDA) in presence of few drops of concentrated H₂SO₄ in methanel medium to affords 2,3-disubstituted quinoxalines (IIIa-d). The structures of these compounds were confirmed by analytical and spectral data.

Keywords

Synthesis 2,3-Disubstituted Quinoxalines 4,4-Substituted Chalcones

Deshmukh, A., Raghuwanshi, P., & Doshi, A. (2010). Synthesis of New 2,3-Disubstituted Quinoxalines from 4,4-Substituted Chalcones . Asian Journal of Chemistry, 15(2), 821–824. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/21705

Issue

Vol. 15 No. 2 (2003): Vol 15 Issue 2

Synthesis of New 2,3-Disubstituted Quinoxalines from 4,4-Substituted Chalcones

Corresponding Author(s) : A.Y. Deshmukh

Abstract

Keywords

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