Yavari, Issa and Roberts, John D. (1982) Nitrogen-15 nuclear magnetic resonance spectroscopic study of compounds with nitrogen—nitrogen bonds. Organic Magnetic Resonance, 20 (4). pp. 235-238. ISSN 0030-4921. doi:10.1002/mrc.1270200409. https://resolver.caltech.edu/CaltechAUTHORS:20151005-113554634
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Abstract
The 15N NMR spectra of several substances with nitrogen—nitrogen bonds have been obtained at the natural-abundance level by high-resolution NMR spectroscopy. Azo (—N═N—) nitrogens are 300–500 ppm deshielded compared with hydrazo (—NH—NH—) nitrogens. The sensitivity of the ^(15)N shifts in these types of substances to substituent changes are reported, along with ^(15)N–^1H spin–spin couplings for some hydrazo compounds. Hydrogen-bonding effects arising from solvent changes on the ^(15)N shifts of azoxybenzene are different for its two kinds of nitrogen. The ^(15)N NMR spectrum of N,N'-dinitrosopiperazine in dimethyl sulfoxide at room temperature is consistent with the presence of two different conformations about the N—NO bonds.
| Item Type: | Article | |||||||||
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| Additional Information: | © 1982 Wiley Heyden Ltd. Received 12 December 1981; accepted (revised) 21 June 1982. Supported by the Public Health Service, Research Grant No. GM-11072, from the Division of General Medical Sciences, and by the National Science Foundation. | |||||||||
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| Issue or Number: | 4 | |||||||||
| DOI: | 10.1002/mrc.1270200409 | |||||||||
| Record Number: | CaltechAUTHORS:20151005-113554634 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20151005-113554634 | |||||||||
| Official Citation: | Yavari, I. and Roberts, J. D. (1982), Nitrogen-15 nuclear magnetic resonance spectroscopic study of compounds with nitrogen[BOND]nitrogen bonds. Org. Magn. Reson., 20: 235–238. doi: 10.1002/mrc.1270200409 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 60757 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 05 Oct 2015 21:47 | |||||||||
| Last Modified: | 10 Nov 2021 22:38 |
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