ISSN : 0970 - 020X, ONLINE ISSN : 2231-5039
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Synthesis and Biological Evaluation of 4-Thiazolidinones and Their Ketoazomethines

J.  A. Hasanen1* and I. M. El-Deen2

1Chemistry Department, Faculty of Science, Suez Canal University, Ismailia, (Egypt) 2Chemistry Department, Faculty of Education, Suez Canal University, Port-Said, (Egypt)

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ABSTRACT:

Reactions of acetophenone-thiosemicarbazone (1) with w-bromo- methylaryl ketones, acetic anhydride, ethyl chloroacetate, diethyl oxalate and benzyl chloride yielded the corresponding imidazolidine derivatives (3a, b, 5 and 9), N-diacetyl and N-benzyl acetophenone-thiosemicarbazons (5 and 10) respectively. 3-(1-phenyl-ethylidene)-amino-2-thioxo-2, 3-dihydro-imidazo-lidin-4-one (8) was prepared via bromination of 6 with bromine to give bromo derivatives (7), followed by dehydrobromination of 7 with boiling acetic acid and sodium acetate. The mass spectral fragmentation patterns of some prepared compounds are described.

KEYWORDS:

Synthesis, mass spectrum, Imidazolidine, Thioxo-imidazolidine

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Hasanen J. A, El-Deen I. M. Synthesis and Biological Evaluation of 4-Thiazolidinones and Their Ketoazomethines. Orient J Chem 2006;22(3).


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Hasanen J. A, El-Deen I. M. Synthesis and Biological Evaluation of 4-Thiazolidinones and Their Ketoazomethines. Orient J Chem 2006;22(3). Available from: http://www.orientjchem.org/?p=19608



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