Conclusions
The reactions of 1-bromo-2-acylacetylenes with thiobenzhydrazide at from −10 to −30°C in ether, acetonitrile, methanol without catalyst, or methanol in the presence of triethylamine gave 2-acylmethyl-5-phenyl-1,3,4-thiadiazoles and their hydrobromide salts.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 11, pp. 2637–2638, November, 1988.
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Glotova, T.E., Nakhmanovich, A.S., Komarova, T.N. et al. Reaction of 1-bromo-2-acylacetylenes with thiobenzhydrazide. Russ Chem Bull 37, 2376–2377 (1988). https://doi.org/10.1007/BF00959905
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DOI: https://doi.org/10.1007/BF00959905