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- W1997766291 abstract "A simple and efficient method was developed for the synthesis of 1-(substituted)-3-(5-(substituted)-1,3,4-thiadiazol-2-yl) ureas from heterocyclic amino compounds and phenyl-5-(pyridine-3-yl)-1,3,4-thiadiazol-2-ylcarbamate(2) or phenyl-5-(trifluoro-methyl)-1,3,4-thiadiazol-2-ylcarbamate(5) under solvent conditions using microwave irradiation. The products were obtained in satisfactory yield as we expected. The reactions can be realized by conventional heating, but we find that the condition of microwave is better according to the reaction time. New 1-(substituted)-3-(5-(substituted)-1,3,4-thiadiazol-2-yl) urea derivatives are reported. The products were characterized by 1H NMR, ESI-MS, and Elemental analysis. The crystal structure of compound 6h was determined by X-ray single crystal diffraction. © 2008 Wiley Periodicals, Inc. Heteroatom Chem 19:621–629, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/hc.20489" @default.
- W1997766291 created "2016-06-24" @default.
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- W1997766291 date "2009-01-06" @default.
- W1997766291 modified "2023-09-23" @default.
- W1997766291 title "ChemInform Abstract: A New Convenient Way to Synthesize 1,3,4-Thiadiazol-2-yl Urea Derivatives under Microwave Irradiation." @default.
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- W1997766291 doi "https://doi.org/10.1002/chin.200901137" @default.
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