Kommana, Praveen ; Satish Kumar, N. ; Vittal, Jagadese J. ; Jayasree, E. G. ; Jemmis, E. D. ; Kumara Swamy, K. C. (2003) Does a sterically bulky group occupy the equatorial site in trigonal bipyramidal phosphorus? Organic Letters, 6 (2). pp. 145-148. ISSN 1523-7060
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Official URL: http://pubs.acs.org/doi/abs/10.1021/ol035990i
Related URL: http://dx.doi.org/10.1021/ol035990i
Abstract
The sterically bulky tert-butyl group occupies an apical position in trigonal bipyramidal phosphorus in the compound {CH2(6-t-Bu-4-Me-C6H2O) 2}P(t-Bu)(1,2-O2C6Cl4) in contrast to the occupation of an equatorial position by the small methyl group in {CH2(6-t-Bu-4-Me-C6H2O) 2}P(Me)(1,2-O2C6Cl4); this observation contradicts the familiar "apicophilicity rules" for trigonal bipyramidal phosphorus. Low-temperature solution 31P NMR spectra of {CH2(6-t-Bu-4-Me-C6H2O) 2}P(R)(1,2-O2C6Cl4) (R = Me, Et, and n-Bu) show the presence of more than two isomers.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 13639 |
| Deposited On: | 12 Nov 2010 15:12 |
| Last Modified: | 11 May 2012 11:17 |
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