Abstract
8-Phenyltetrazolo[5,1-b][1,3,4]thiadiazepine was obtained as a result of intermolecular cyclization of 1-amino-1H-tetrazole-5-thiol and 3-phenyl-2-propynal. The reaction of α-bromocinnamaldehyde with 1-amino-1H-tetrazole-5-thiol led to the formation of 7-benzylidene-7H-tetrazolo[5,1-b][1,3,4]thiadiazine. An effective method was developed for the synthesis of 1-[(3-phenylprop-2-yn-1-yl)amino]-1H-tetrazole-5-thiol, a key intermediate in the possible synthesis of 7-benzylidene-6,7-dihydro-5H-tetrazolo[5,1-b][1,3,4]thiadiazine.
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Gurenkova, Y.S., Kornyakov, I.V., Ostrovsky, V.A. et al. Synthesis of Fused Heterocycles Based on 1-Amino-1H-tetrazole-5-thiol and α,β-Unsaturated Aldehydes. Russ J Gen Chem 90, 1202–1206 (2020). https://doi.org/10.1134/S1070363220070051
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DOI: https://doi.org/10.1134/S1070363220070051