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13C and 1H NMR assignments for a series of dehydroabietic acid derivatives (1995)

Gigante, Bárbara ; Santos, Lina ; Marcelo-Curto, Maria João ; [weitere]

Chichester : Wiley-Blackwell

Organic Magnetic Resonance 33 (1995), S. 318-321

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Details

ISSN: 0749-1581

Schlagwort(e): NMR ; 1H NMR ; 13C NMR ; INEPT ; HMBC ; nitro ; amine ; dehydroabietic acid derivatives ; Chemistry ; Analytical Chemistry and Spectroscopy

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: Reliable assignments were made for a series of nitro and amine C ring-substituted dehydroabietic acid derivatives, the main resin acid present in disproportionated rosin and an important intermediate in the chemical industry. A combination of 1D and 2D NMR techniques, including HETCORR, COSY and DEPT experiments, was used. Quaternary carbon atoms, mainly aromatic substituted, require care owing to assignment difficulties that are based on calculated data and are confirmed by long-range 1H, 13C NMR correlation with selective INEPT and the proton-detected HMBC experiment.

Zusätzliches Material: 2 Tab.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/mrc.1260330416

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