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Nitrogen-15 nuclear magnetic resonance spectra of ketenimines

Eberl, Karl and Roberts, John D. (1981) Nitrogen-15 nuclear magnetic resonance spectra of ketenimines. Organic Magnetic Resonance, 17 (3). pp. 180-181. ISSN 0030-4921.

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Nitrogen-15 NMR spectra of 11 ketenimines have been taken both at the natural-abundance level of ^(15)N and with the aid of ^(15)N-labeling. The nitrogen chemical shifts are substantially different from those of neutral imines and are upfield, more like those of protonated imines. The results are in accord with significant delocalization of the nitrogen lone-pair. Furthermore, there is a rough parallelism between the ^(13)C shifts of the terminal carbons and the ^(15)N shifts.

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Additional Information:© 1981 Heyden & Son Ltd. Received 2 May 1981 ; accepted 12 June 1981. Supported by the National Science Foundations. DAAD Postdoctoral Research Fellow, 1979-1980.
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Deutscher Akademischer Austauschdienst (DAAD)UNSPECIFIED
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Caltech Gates and Crellin Laboratory of Chemistry6384
Record Number:CaltechAUTHORS:20151006-073239895
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Official Citation:Eberl, K. and Roberts, J. D. (1981), Nitrogen-15 nuclear magnetic resonance spectra of ketenimines. Org. Magn. Reson., 17: 180–181. doi: 10.1002/mrc.1270170309
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:60793
Deposited By: Ruth Sustaita
Deposited On:06 Oct 2015 18:58
Last Modified:06 Oct 2015 18:58

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