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13 C and 1 H NMR chemical shift assignments of 1‐ and 2‐alkylnaphthalenes (R = Me, Et, i ‐Pr, t ‐Bu) and determination of substituent effects on 13 C and 1 H chemical shifts
Author(s) -
Ernst Ludger,
Schulz Petra
Publication year - 1992
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/mrc.1260300114
Subject(s) - chemistry , chemical shift , substituent , spectral line , analytical chemistry (journal) , computational chemistry , stereochemistry , organic chemistry , physics , astronomy
Complete 13 C spectral assignments were made for 1‐ and 2‐R‐naphthalenes (R = Me, Et, i ‐Pr, t ‐Bu) in CDCl 3 solution (5 mol%) by the use of 2D techniques including 2D INADEQUATE. Contradictory assignments from the literature were clarified and incomplete data completed. Substituent effects on 13 C shifts are briefly discussed. 1 H chemical shifts were determined by 13 C/ 1 H shift correlation.