Anderson, J. Edgar and Roberts, John D. (1968) Conformational Equilibria and Equilibration of Tetramethylhexahydrotetrazine. Slow Nitrogen Inversion. N-Methyl Groups with a Preference for Axial Positioning. Journal of the American Chemical Society, 90 (15). pp. 4186-4187. ISSN 0002-7863. doi:10.1021/ja01017a065. https://resolver.caltech.edu/CaltechAUTHORS:20151013-145416081
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Abstract
The ambient-temperature pmr spectrum of N,N’,-N”,N”’-tetramethylhexahydrotetrazine2 (1) at 60 MHz shows two sharp peaks of relative intensity 1:3, as would be expected for rapid conformational inversion. However, at -87°, the methylene resonance appears as an AB quartet while there is a 1:1 doublet for the temperature nmr spectrum of 1 to which we call attention here are independent of the choice between 5 and 6.
| Item Type: | Article | |||||||||
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| Additional Information: | © 1968 American Chemical Society. Received May 6, 1968. Supported by the National Science Foundation. Harkness Fellow of the Commonwealth Fund of New York, 1966-1968. | |||||||||
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| Issue or Number: | 15 | |||||||||
| DOI: | 10.1021/ja01017a065 | |||||||||
| Record Number: | CaltechAUTHORS:20151013-145416081 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20151013-145416081 | |||||||||
| Official Citation: | Conformational equilibria and equilibration of tetramethylhexahydrotetrazine. Slow nitrogen inversion. N-methyl groups with a preference for axial positioning J. Edgar Anderson and John D. Roberts Journal of the American Chemical Society 1968 90 (15), 4186-4187 DOI: 10.1021/ja01017a065 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 61085 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 14 Oct 2015 19:35 | |||||||||
| Last Modified: | 10 Nov 2021 22:44 |
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