Synthesis and characterization of some heterocyclic compounds from 6-chloro-1,3-benzothiazole-2-thiol
This research involved some of heterocyclic derivatives from 6-chloro-1,3-benzothiazole-2-thiol by the reacted of this compound with chloro ethyl acetate to gave compound  in which reacted with hydrazine to gave compound  , the last compound will react with several reagents to gave a new series of heterocyclic derivatives in which compound  reacted with different aromatic aldehydes in ethanol to gave Schif bases [3,4] . The last compounds convert to Î²-lactam [5,6] by the reaction between Schiff bases and chloro acetyl chloride .
Compound  react with CS2 ,KOH to gave a new derivative compound  in which reacted with hydrazine gave compound  and reacted with different aromatic aldehydes to gave another kind of Schiff bases [9,10] and cyclization of the last compound with 2-mercapto acetic acid to gave [11,12] .
Reaction of compound  with phenyl isothiocyanate to gave compound  and cyclization of  by NaOH gave several new heterocyclic derivatives , these all compounds were characterized by their melting points, FTIR and 1H-NMR spectra for some of them .
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