IODINE INDUCED CYCLIZATION OF ORGANOPHOSPHORUS COMPOUNDS
- 1 September 1988
- journal article
- research article
- Published by Taylor & Francis in Phosphorus and Sulfur and the Related Elements
- Vol. 39 (1-2) , 79-87
- https://doi.org/10.1080/03086648808072858
Abstract
The iodine induced cyclization reaction of unsaturated phosphates, phosphonates and phosphoamidates was studied. It was found that the nucleophilicity of the phosphoryl oxygen was affected by the substituent on phosphorus and the reactivity of the unsaturated center was perturbed by the neighboring atoms or groups. The P-31 NMR spectra and other spectroscopy techniques proved, the existence of the diiodo-compounds and the cyclic phosphonium ions as the reaction intermediates.Keywords
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