New Route for the Synthesis of Pyrimido[4',5':4,5]thiazolo[3,2-a]benzimidazol-4(3H)-ones

A. DAVOODNIA; H. ESHGHI; S. EZZATAHMADI; N. TAVAKOLI-HOSEINI

Issue

Vol. 22 No. 6 (2010): Vol 22 Issue 6

Issue Published : 9 March 2010

New Route for the Synthesis of Pyrimido[4',5':4,5]thiazolo[3,2-a]benzimidazol-4(3H)-ones

A. DAVOODNIA

Department of Chemistry, Faculty of Sciences, Islamic Azad University, Mashhad Branch, Mashhad-91735-413, Iran

H. ESHGHI

Department of Chemistry, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran

S. EZZATAHMADI

Department of Chemistry, Faculty of Sciences, Islamic Azad University, Mashhad Branch, Mashhad-91735-413, Iran

N. TAVAKOLI-HOSEINI

Department of Chemistry, Faculty of Sciences, Islamic Azad University, Mashhad Branch, Mashhad-91735-413, Iran

Corresponding Author(s) : A. DAVOODNIA

adavoodnia@yahoo.com; adavoodnia@mshdiau.ac.ir

Asian Journal of Chemistry, Vol. 22 No. 6 (2010): Vol 22 Issue 6
Article Published : 17 May 2010

Abstract

A new route for the synthesis of 2-arylpyrimido[4',5':4,5]thiazolo[3,2- a]benzimidazol-4(3H)ones has been developed through heterocyclization of 3-aminothiazolo[3,2-a]benzimidazol-2-carboxamide with aromatic aldehydes in boiling glacial acetic acid followed by air oxidation.

Keywords

Aromatic aldehydes Heterocyclization Pyrimido[4',5':4,5]thiazolo[3,2-a]benzimidazol-4(3H)-ones 3-Aminothiazolo[3,2- a]benzimidazol-2-carboxamide

(1)

DAVOODNIA, A.; ESHGHI, H.; EZZATAHMADI, S.; TAVAKOLI-HOSEINI, N. New Route for the Synthesis of Pyrimido[4’,5’:4,5]thiazolo[3,2-a]benzimidazol-4(3H)-Ones. ajc 2010, 22, 4959-4961.

Issue

Vol. 22 No. 6 (2010): Vol 22 Issue 6

New Route for the Synthesis of Pyrimido[4',5':4,5]thiazolo[3,2-a]benzimidazol-4(3H)-ones

Corresponding Author(s) : A. DAVOODNIA

Abstract

Keywords

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