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Phosphorus, Sulfur, and Silicon and the Related Elements Volume 183, 2008 - Issue 8
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Original Articles

Thiocarbamoyl in Organic Synthesis: Synthesis of Some New Arylazothiophene and Arylazopyrazole Derivatives

A. A. Fadda Chemistry Department, Faculty of Science, Mansoura University, Mansoura, Egypt
,
E. Abdel-Latif Chemistry Department, Faculty of Science, Mansoura University, Mansoura, Egypt
&
Rasha E. El-Mekawy Chemistry Department, Faculty of Science, Mansoura University, Mansoura, Egypt
Pages 1940-1953 | Received 15 Aug 2007, Accepted 08 Sep 2007, Published online: 28 Jul 2008
 
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Abstract

Arylazothiocarbamoyl derivatives 4a–e were utilized for the synthesis of several new thiophene and pyrazole derivatives. Compound 4 reacted with phenacyl bromide, ethyl bromoacetate, chloroacetonitrile, chloroacetone and hydrazine hydrate to yield thiophene and pyrazole derivatives 7, 10, 12, 14, and 16, respectively.

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