Nagarajan, K. ; Nair, M. D. ; Ranga Rao, V. ; Venkateswarlu, A. ; Kartha, G. (1973) Conformation of the methyl group and tetrahydropyridine ring in N-acyltetrahydroquinaldine derivatives Tetrahedron, 29 (17). pp. 2571-2573. ISSN 0040-4020
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/004040...
Related URL: http://dx.doi.org/10.1016/0040-4020(73)80175-9
Abstract
NMR spectra of N-acyletrahydro quinaldines 12-19 and of pyridodibenzoxazepines 21-24 show the Me group to be axially oriented with the tetrahydropyridine ring in a half-boat conformation. The aroyl phenyl in both is twisted out of the C=O plane. While the Me group again occupies the axial position in pyridophenanthridones 5 and 7 and pyridooxazinones 8 and 9, the tetrahydropyridine ring exists as a half-chair.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 28792 |
| Deposited On: | 15 Dec 2010 11:33 |
| Last Modified: | 04 Jun 2011 09:05 |
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