Substituent effects on  13 C 13 C coupling constants and chemical shifts in  13 C labelled polycyclic aromatic hydroxy compounds | Zendy

Hansen P. E. | Zendy; Poulsen O. K. | Zendy; Berg A. | Zendy

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Substituent effects on 13 C 13 C coupling constants and chemical shifts in 13 C labelled polycyclic aromatic hydroxy compounds

Author(s) -

Hansen P. E.,

Poulsen O. K.,

Berg A.

Publication year - 1975

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.1270071004

Subject(s) - substituent , chemical shift , coupling constant , chemistry , carbon 13 , computational chemistry , coupling (piping) , carbon fibers , medicinal chemistry , stereochemistry , materials science , physics , particle physics , quantum mechanics , composite number , metallurgy , composite material

The effects of an hydroxy substituent on 13 C 13 C coupling constants and 13 C chemical shifts have been measured in 1‐hydroxynaphthalene‐2‐ 13 C and 1‐hydroxypyrene‐1‐ 13 C. The changes observed in the 13 C 13 C couplings show the effect of a substituent attached directly to the labelled carbon or to a carbon ortho to this. In both situations the effect is a decrease in the numerical magnitude of most of the long range 13 C 13 C coupling constants.

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