Kumaravel, S. S. ; Sudhakara Rao, S. P. ; Krishnamurthy, S. S. ; Vincent, B. N. ; Cameron, T. S. (1987) NMR spectroscopic and X-ray structural studies of two diazadiphosphetidines Phosphorus, Sulfur, and Silicon and the Related Elements,, 30 (3&4). p. 697. ISSN 1042-6507
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Official URL: http://www.informaworld.com/index/769219237.pdf
Related URL: http://dx.doi.org/10.1080/03086648708079191
Abstract
The crystal structures of the two diazadiphosphetidines, [PhNP(OCH2CF3)]2 (1) and [MeNP(NMe2)(O2C6H4)]2 (2) have been determined. The trifluoroethoxy groups in (1) have a trans orientation. The phosphorus chemical shift for (1) is at 189.8 δ. On standing in solution, (1) transforms slowly (~10 days) and almost completely into its 'high-field' (cis) isomer (142.2δ).
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Taylor and Francis Ltd. |
| ID Code: | 17831 |
| Deposited On: | 16 Nov 2010 12:37 |
| Last Modified: | 08 Jun 2011 07:07 |
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