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Phosphorus, Sulfur, and Silicon and the Related Elements Volume 75, 1993 - Issue 1-4
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SECTION II: STRUCTURE AND REACTIVITY OF ORGANIC PHOSPHORUS COMPOUNDS

Synthesis and Spectroscopic Properties of Fused 5-Arylidene-2-Thiohydantoin Derivatives

Katarzyna Kieć-Kononowicz Department of Pharmaceutical Chemistry, Medical Academy, 31-065, Kraków, Skaleczna 10, Poland
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Janina Karolak-wojciechowska Institute of General Chemistry, Technical University, 90-924, ŁódŹ, Źwirki 36, Poland
Pages 235-248 | Received 29 Nov 1991, Accepted 10 Apr 1992, Published online: 23 Sep 2006
 
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Abstract

Imidazothiazole [(1)-(12)], imidazothiazine [(13)-(20)], and imidazothiazepine [(21), (22)] derivatives were obtained as the products of 1,2 or 2,3-dialkylation of 5-arylidene-2-thiohydantoin derivatives (ATH). The X-ray analysis of selected synthesized compounds showed their Z-configuration. The spectroscopic properties were described and examined for identification of 1,2-(type A) and 2,3-(type B)-substitution products. The reactivity of ATH was explained on the basis of X-ray analysis results and MNDO calculations.

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