Abstract
Tri-tert-butyl phosphite and its derivatives and the analogous ethyl esters were characterized by NMR spectroscopy. Tri-tert-butyl phosphite proper, unlike the derivatives, did not show consistent shielding of phosphorus. Hybrid structures between triethyl and tritert-butyl phosphite were synthesized and analyzed. Analysis of the data showed a quantitative relationship between chemical shift and composition. A decrease in bond angle of trivalent phosphorus results in greater shielding of the phosphorus nucleus, and an increase results in deshielding.
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© 1966 Chicago Section of the Society for Applied Spectroscopy
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Mark, V. (1966). Analysis of Steric Conditions by NMR. The Environment Around Phosphorus in Some of Its Esters. In: Pearson, L.R., Grove, E.L. (eds) Developments in Applied Spectroscopy. Developments in Applied Spectroscopy, vol 5. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-8694-0_20
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DOI: https://doi.org/10.1007/978-1-4684-8694-0_20
Publisher Name: Springer, Boston, MA
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