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Phosphorus-nitrogen rotation barriers: Further studies (1974)

Distefano, S. ; Goldwhite, H. ; Mazzola, E.

Chichester : Wiley-Blackwell

Organic Magnetic Resonance 6 (1974), S. 1-4

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ISSN: 0030-4921

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Phosphorus-nitrogen rotation barriers have been determined by low temperature NMR methods in a variety of compounds of the type RP(X)NR2′. The observed activation parameters are concentration and solvent independent. Increasing the bulk of substituents on nitrogen increases the barrier. Phosphonamidous fluorides (X = F) have lower barriers than the corresponding chlorides (X = Cl). Increasing the bulk of substituents on phosphorus decreases the barrier.

Additional Material: 4 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/mrc.1270060102

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