ESR and ENDOR study of 2,3‐dihydro‐1‐oxo‐1λ4,2,3,5‐thiatriazol‐3‐yl radicals

Neugebauer, Franz A.

doi:10.1002/mrc.1260300117

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ESR and ENDOR study of 2,3‐dihydro‐1‐oxo‐1λ4,2,3,5‐thiatriazol‐3‐yl radicals

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Neugebauer, Franz A.
Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society;

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Citation

Neugebauer, F. A. (1992). ESR and ENDOR study of 2,3‐dihydro‐1‐oxo‐1λ4,2,3,5‐thiatriazol‐3‐yl radicals. Magnetic Resonance in Chemistry, 30(1), 84-86. doi:10.1002/mrc.1260300117.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0019-ABB3-6

Abstract

Dehydrogenation of 2,5‐dihydro‐1,2,3,5‐thiatriazole 1‐oxides with thermally formed bis(4‐methylphenyl)aminyl generated 2,3‐dihydro‐1‐oxo‐1λ4,2,3,5‐thiatriazol‐3‐yl radicals. ESR, ENDOR and triple resonance studies in combination with 15N labelling yielded the magnitude and assignment of all 1H and 14N hyperfine coupling (HFC) constants. The radicals have a basic five‐π‐electron amidrazon‐2‐yl structure with the highest spin density at N‐2.