Multinuclear magnetic resonance study of
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Wojciech Bocian; Jaroslaw JaΕΊwiΕski; Wiktor KoΕΊmiΕski; Lech Stefaniak; Graham A.
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Article
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1994
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John Wiley and Sons
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English
β 294 KB
## Abstract ^1^H, ^13^C, ^14^N and ^15^N NMR methods were applied to the study of some Type A mesoionic 1,3βdiphenyltetrazoles with various exocyclic groups. The ring structures of these tetrazoles are confirmed by the nitrogen NMR data. The shielding of Nβ4 increases consecutively by amounts of __