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Nuclear Magnetic Resonance Spectroscopy. Long-Range Spin-Spin Couplings Involving Carbon-13

Weigert, Frank J. and Roberts, John D. (1969) Nuclear Magnetic Resonance Spectroscopy. Long-Range Spin-Spin Couplings Involving Carbon-13. Journal of the American Chemical Society, 91 (17). pp. 4940-4941. ISSN 0002-7863. doi:10.1021/ja01045a070.

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Relatively few studies have been reported of spin spin couplings involving carbon and atoms more than one bond removed. Such couplings can often be seen as ^(13)C satellites in spectra of the other nuclei, but unless the spectra are simple, and even if the “inner” satellites can be detected, specific coupling assignments may not be possible. In such circumstances, specific isotopic enrichment can be of great value. Carbon-fluorine and carbon-phosphorus couplings have been directly observed in the natural-abundance ^(13)C satellites. Internuclear double-resonance experiments utilizing observations of proton spectra have been used to study couplings between carbon and nondirectly bonded phosphorus and nitrogen where the proton spectra are relatively simple. We report here some nonbonded couplings between carbon and other nuclei measured directly from ^(13)C spectra in which the protons are decoupled.

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Additional Information:© 1969 American Chemical Society. Received May 12, 1969. Supported in part by the National Science Foundation and the Public Health Service, Research Grant GM-11072-07 from the Division of General Medical Sciences.
Funding AgencyGrant Number
U.S. Public Health Service (USPHS)GM-11072-07
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Caltech Gates and Crellin Laboratories of Chemistry3858
Issue or Number:17
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Official Citation:Nuclear magnetic resonance spectroscopy, long-range spin-spin couplings involving carbon-13 Frank J. Weigert and John D. Roberts Journal of the American Chemical Society 1969 91 (17), 4940-4941 DOI: 10.1021/ja01045a070
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:61072
Deposited By: Ruth Sustaita
Deposited On:14 Oct 2015 21:46
Last Modified:10 Nov 2021 22:43

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