European Journal of Chemistry

Reactions with hydrazonoyl halides 65: Synthesis of some new 1,3,4-thiadiazoles and triazolino[4,3-a]pyrimidines containing pyrazole moiety



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Abdou Osman Abdelhamid
Abdelgawad Ali Fahmi
Karema Noury Mahmoud Halim

Abstract

2,3-Dihydro-1,3,4-thiadiazoles, and triazolino[4,3-a]pyrimidines containing pyrazole moieties were prepared from the reaction of alkyl 2-[1-(4-cyano-1,5-diphenyl-1H-pyrazol-3-yl)ethylidene]hydrazinecarbodithioate and pyrimidine-2-thione derivatives with appropriate hydrazonoyl halides. The structures of all the newly synthesized compounds were confirmed by elemental analyses, spectral data, and alternative route of synthesis whenever possible.

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Abdelhamid, A. O.; Fahmi, A. A.; Halim, K. N. M. Reactions With Hydrazonoyl Halides 65: Synthesis of Some New 1,3,4-Thiadiazoles and triazolino[4,3-a]pyrimidines Containing Pyrazole Moiety. Eur. J. Chem. 2011, 2, 317-323.

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