Abstract
The present effort is to use good organized method for the synthesis of novel thiazoles from the reaction of different α-haloketohydrazonoyl halides with thiosemicarbazones in the basic medium at refux. In addition, new polthiazole was prepared from the reaction of 1,4-phenylene-bis(2-oxopropanehydrazonoyl chloride) with 2,2′-(1,4-phenylenebis(methanyl-ylidene))bis(hydrazine-1-carbothioamide) in the presence of basic medium. The formation of the final thiazoles or polythiazole can be explained through nucleophile substitution of the halogen atom form hydrazonoyl halides, followed by removal of water to give the final products as represented in Schemes. The inexpensive, good yielding, simple reaction conditions, and commercial availability of the chemicals make these methods valuable. The description structures for the final compounds are discussed and suggested. New organic substances were elucidated via FTIR, MS, NMR, and elemental analyses.
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