ISSN:
0749-1581
Keywords:
Off-resonance
;
Second order effects
;
Vicinal 1H,1H-coupling constants
;
Configuration of double bonds
;
Sex pheromones
;
Unsaturated fatty acids
;
Chemistry
;
Analytical Chemistry and Spectroscopy
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Notes:
The 1H CW off-resonance decoupled 13C NMR spectra of pheromones and unsaturated fatty acids were measured for the determination of the configuration of double bonds of the type —CH2—CH = CH—CH2—. The decoupling frequency corresponded to the resonance frequency of the CH2 protons. The 2nd order splittings in the observed multiplets of the olefinic carbon atoms allow an approximate determination of the vicinal coupling constant between the olefinic protons, and the configurational assignment of the double bond.
Additional Material:
5 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/mrc.1260291010
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