Hawkes, Geoffrey E. and Marzin, Claude and Johns, S. R. and Roberts, John D. (1973) Nuclear Magnetic Resonance Shift Reagents. Quantitative Estimates of Contact Contributions to Lanthanide-Induced Chemical-Shift Changes for exo-Norbornylamine. Journal of the American Chemical Society, 95 (5). pp. 1661-1662. ISSN 0002-7863. doi:10.1021/ja00786a051. https://resolver.caltech.edu/CaltechAUTHORS:20151009-133523643
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Abstract
The possibility of contributions from contact interactions to the predominantly dipolar-induced changes in chemical shifts produced by lanthanide-shift reagents has been widely recognized. Such contributions might be expected to be especially large at the substrate atom directly coordinated to the lanthanide and, in general, be confined with saturated substrates at least to carbons and hydrogens in the immediate vicinity of the coordination site. Nonetheless, there is no firm basis for the prediction of the direction or magnitude of contact contributions to lanthanide-induced shifts on carbon or proton spectra.
| Item Type: | Article | |||||||||
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| Additional Information: | © 1973 American Chemical Society. Received June 27, 1972. Supported by the National Science Foundation and the Public Health Service, Research Grant No. GM-11072 from the Division of General Medical Sciences. | |||||||||
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| Issue or Number: | 5 | |||||||||
| DOI: | 10.1021/ja00786a051 | |||||||||
| Record Number: | CaltechAUTHORS:20151009-133523643 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20151009-133523643 | |||||||||
| Official Citation: | Nuclear magnetic resonance shift reagents. Quantitative estimates of contact contributions to lanthanide-induced chemical-shift changes for exo-norbornylamine Geoffrey E. Hawkes, Claude. Marzin, S. R. Johns, and John D. Roberts Journal of the American Chemical Society 1973 95 (5), 1661-1662 DOI: 10.1021/ja00786a051 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 60946 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 16 Oct 2015 01:25 | |||||||||
| Last Modified: | 10 Nov 2021 22:42 |
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