New 1,3,4-thiadiazole derivatives from 1-benzylidenethiocarbonohydrazides and 3-Bromo-1-phenylprop-2-yn-1-one |
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| Authors: | T. E. Glotova M. Yu. Dvorko V. G. Samoilov I. A. Ushakov |
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| Affiliation: | (1) Favorskii Irkutsk Institute of Chemistry, Siberian Division, Russian Academy of Sciences, ul. Favorskogo 1, Irkutsk, 664033, Russia |
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| Abstract: | 3-Bromo-1-phenylprop-2-yn-1-one reacted with 1-benzylidenethiocarbonohydrazones in acetic acid or acetonitrile at room temperature (reaction time 3 h) to give in good yields the corresponding benzaldehyde N′-(5-benzoylmethyl-1,3,4-thiadiazol-2-yl)hydrazone hydrobromides which were converted into the free bases by treatment with aqueous ammonia. |
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