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Structural studies on mesoionic 1,2,3,4-thiatriazolo-5-aminides and 1,2,3,4-thiatriazolo-5-methylides by nitrogen and carbon NMR (1993)

Jażwiński, Jaroslaw ; Stefaniak, Lech

Chichester : Wiley-Blackwell

Organic Magnetic Resonance 31 (1993), S. 447-450

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ISSN: 0749-1581

Keywords: Nitrogen NMR ; Mesoionic compounds ; Mesoionic thiatriazoles ; Ring-chain valence tautomerism ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: 15N, 14N, 13C and 1H NMR data were used for the structural analysis of seven 1,2,3,4-thiatriazoles with various exocyclic groups. Measurements at various temperatures were carried out in order to study the behaviour of exocyclic groups. Some 15N-labelled compounds were prepared to assist in the interpretation of the 15N NMR spectra. The results suggest that the investigated compounds exist in the cyclic structure. Three of the investigated compounds have not been previously synthesized.

Additional Material: 4 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/mrc.1260310506

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