Studies of  13 CH coupling constants: III —the conformational dependence of  1  J ( 13 CH) for the formyl proton in aromatic aldehydes | Zendy

Ewing D. F. | Zendy

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Studies of 13 CH coupling constants: III —the conformational dependence of 1 J ( 13 CH) for the formyl proton in aromatic aldehydes

Author(s) -

Ewing D. F.

Publication year - 1974

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.1270060513

Subject(s) - steric effects , coupling constant , chemistry , proton , proton magnetic resonance , electron , resonance (particle physics) , coupling (piping) , crystallography , computational chemistry , stereochemistry , nuclear magnetic resonance , materials science , physics , particle physics , quantum mechanics , metallurgy

1 J ( 13 CH) and 2 J ( 13 CH) involving the aldehydic proton in ortho ‐alkylbenzaldehydes have been examined for evidence of a hyperconjugative contribution from the aromatic π‐electrons. The expected hyperconjugative effect is obscured by changes in the coupling constants resulting from steric inhibition of resonance.

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