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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 32, 2002 - Issue 14
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Original Articles

NOVEL 2-THIOXOHYDANTOIN KETENE DITHIOACETALS: VERSATILE INTERMEDIATES FOR SYNTHESIS OF METHYLSULFANYLIMIDAZO- [4,5-C]PYRAZOLES AND METHYLSULFANYLPYRROLO- [1,2-C]IMIDAZOLES

Galal H. Elgemeie Chemistry Department, Faculty of Science, Helwan University, Helwan, Cairo, EgyptCorrespondence[email protected]
,
Ahmed H. Elghandour Department of Chemistry, Faculty of Science, Cairo University (Bani Suef Branch), Bani Suef, Egypt
,
Hosny A. Ali Department of Chemistry, Faculty of Science, Cairo University (Bani Suef Branch), Bani Suef, Egypt
&
Ahmed M. Hussein Department of Chemistry, Faculty of Science, Cairo University (Bani Suef Branch), Bani Suef, Egypt
Pages 2245-2253 | Received 21 May 2001, Published online: 18 Oct 2011
 
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ABSTRACT

The novel 2-thioxohydantoin ketene S,S-acetals 3a,b were prepared by the reaction of 2-thioxohydantoins 1a,b with carbon disulfide, followed by alkylation with methyl iodide of the produced sodium dithiolate salts 2a,b. The reaction of compounds 3a,b with nucleophiles afforded different fused methylsulfanylimidazoles.

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