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Digitale Medien

Solution phase 1H and 13C-NMR studies of some 1,4,8,11,15,18,22,25-octa-alkylphthalocyanines (1991)

Cook, Michael J. ; Cracknell, Steven J. ; Moore, Geoffrey R. ; [weitere]

Chichester : Wiley-Blackwell

Organic Magnetic Resonance 29 (1991), S. 1053-1060

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Details

ISSN: 0749-1581

Schlagwort(e): Octa-alkylphthalocyanines ; phthalocyanines ; 1H NMR ; 13C NMR ; Chemistry ; Analytical Chemistry and Spectroscopy

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: Solution state 1H NMR and 13C NMR spectral data are reported for 1,4,8,11,15,18,22,25-octahexylphthalocyanine, its zinc metallated analogue, and 1,4,8,11,15,18,22,25-octanonylphthalocyanine. Full 1H and 13C NMR signal assignments for these compounds have been made using one and two dimensional techniques supported by T1 measurements. 13C NMR spectra of the two metal-free derivatives show only three signals in the aromatic region at 100 MHz but the expected four resonances at 22.5 MHz. The apparent absence of one of these at 100 MHz is ascribed to a fast exchange process, originating from N—H⃛N⇌N⃛H—N tautomerism.

Zusätzliches Material: 5 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/mrc.1260291014

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