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Nitrogen-15 Magnetic Resonance Spectroscopy. X. Angular Dependence of Vicinal ^(15)N-H Coupling Constants in Amino Acids

Lichter, Robert L. and Roberts, John D. (1970) Nitrogen-15 Magnetic Resonance Spectroscopy. X. Angular Dependence of Vicinal ^(15)N-H Coupling Constants in Amino Acids. Journal of Organic Chemistry, 35 (8). pp. 2806-2807. ISSN 0022-3263.

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In contrast to the extensive investigations of the dependence of vicinal proton-proton and protonfluorine coupling constants on dihedral angle, relatively little is known about the angular dependence of vicinal proton-nitrogen couplings in saturated systems. The principal reasons for this are experimental difficulties associated with the quadrupole-induced relaxation of ^(14)N and the relatively small magnitudes of ^(14)N-H coupling constants. However, Terui, Aono, and Tori have recently demonstrated a geometrical dependence of the vicinal ^(14)N-H coupling in compounds of types 1 and 2 for dihedral angles of 0, 60, and 120º.

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Additional Information:© 1970 American Chemical Society. Received February 10, 1970. Supported by the Public Health Service, Grant No. 11072, from the Division of General Medical Sciences and by the National Science Foundation.
Funding AgencyGrant Number
U.S. Public Health Service (USPHS)GM-11072
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Caltech Gates and Crellin Laboratories of Chemistry3987
Issue or Number:8
Record Number:CaltechAUTHORS:20151013-111508671
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Official Citation:Nitrogen-15 magnetic resonance spectroscopy. X. Angular dependence of vicinal 15N-H coupling constants in amino acids Robert L. Lichter and John D. Roberts The Journal of Organic Chemistry 1970 35 (8), 2806-2807 DOI: 10.1021/jo00833a075
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:61042
Deposited By: Ruth Sustaita
Deposited On:14 Oct 2015 23:38
Last Modified:03 Oct 2019 09:03

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