In this study, a group of Schiff base derivatives and a group of formazan derivatives were prepared , reacted 2-amino-6-methoxy benzothiazole with 3-hydroxy-4-methoxy benzaldehyde to from the derivative of Schiff ,s Base then reactance the derivative of Schiff ,s Base NaN3 to from Tetrazole derivative (30) , as well as the reaction of the Schiff derivative 2-amino thiazole to from formazan derivative (31) , and the reaction of the Schiff derivative with 3-amino pyridine to from the formazan derivative (32) .
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