A carbon‐13 nuclear magnetic resonance spectral investigation of substituted triphenyl phosphates | Zendy

Buchanan G. W. | Zendy; Wightman R. H. | Zendy; Malaiyandi M. | Zendy

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A carbon‐13 nuclear magnetic resonance spectral investigation of substituted triphenyl phosphates

Author(s) -

Buchanan G. W.,

Wightman R. H.,

Malaiyandi M.

Publication year - 1982

Publication title -

organic magnetic resonance

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.483

H-Index - 72

eISSN - 1097-458X

pISSN - 0030-4921

DOI - 10.1002/mrc.1270190211

Subject(s) - vicinal , chemistry , chemical shift , alkyl , aryl , carbon atom , electromagnetic shielding , carbon fibers , double bond , carbon 13 nmr , medicinal chemistry , crystallography , stereochemistry , organic chemistry , materials science , composite number , composite material

13 C NMR chemical shifts and 13 C 31 P couplings are reported for triphenyl phosphate and 13 alkyl derivatives. In ortho ‐alkylated materials, it is found that the upfield γ shielding effect is only operative when the carbon atom, situated γ to the exocyclic oxygen, bears at least one hydrogen. Conformational changes about the arylO bond can be monitored via the vicinal 31 pOC 13 C couplings.

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