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- W2375304090 abstract "Objective:To investigate the NMR spectral properties of 3-alkyl-4-amino-5-mercapto-1,2,4-triazoles, several of the title compounds have been synthesized.Methods: There is a phenyl, pyridyl, furyl, naphthylmethyl, glucose residue group at the 3-position respectively. The 13 C NMR and 1 H NMR spectra of the title compounds have been determined by Bruker Avance-300 instruments. Furthermore, all the 13 C NMR absorption peaks were attributed one by one.Results:It showed that the chemical shifts δ values of the two triazole carbons were 145-152 and 165-168 respectively. At the same time , the proton chemical shifts δ values of NH 2 and SH were 5.5-5.8, and 13.5-14.2 respectively. The methylene groups between the triazole ring and aryl ring or heterocyclic ring showed carbon δ values at 30 or so,and the corresponding proton chemical shift values were 4.1-4.5.Conclusion:3-substituent is related to the difference of chemical shifts δ values of the two carbons in the triazoles,which are reduced by degree in the order of furyl, phenyl, pyridyl, arylmethyl, and glucose residue. [FK(WB80011?6]" @default.
- W2375304090 created "2016-06-24" @default.
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- W2375304090 date "2002-01-01" @default.
- W2375304090 modified "2023-09-25" @default.
- W2375304090 title "A study on the ~(13)C NMR and ~1H NMR Spectra of 3-Alkyl-4-amino-5-mercapto-1,2,4-triazoles" @default.
- W2375304090 hasPublicationYear "2002" @default.
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