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Molecules 2009, 14(5), 1904-1914; doi:10.3390/molecules14051904
Article

Synthesis and Analysis of Some Bis-Heterocyclic Compounds Containing Sulphur

Department of Chemistry, King Saud University P.Department of Chemistry, King Saud University P.O Box 2455, Riyadh-11451, Saudi Arabia
Received: 1 April 2009 / Revised: 15 May 2009 / Accepted: 19 May 2009 / Published: 22 May 2009
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Abstract

A facile and convenient synthesis of a series of bisheterocycles 7a,b 10, 12 and 13a,b containing a thieno[2,3-b]thiophene base unit via the versatile, hitherto unreported 3-[3,4-dimethyl-5-(3-nitrilopropanoyl)thieno[2,3-b]thiophen-2-yl]-3-oxopropanenitrile (4) is described.
Keywords: DMF-DMA; bis-thieno[2; 3-b]thiophene; bis-aminopyrazole; bis-pyrazolopyrimidine DMF-DMA; bis-thieno[2; 3-b]thiophene; bis-aminopyrazole; bis-pyrazolopyrimidine
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Mabkhoot, Y.N. Synthesis and Analysis of Some Bis-Heterocyclic Compounds Containing Sulphur. Molecules 2009, 14, 1904-1914.

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