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Nuclear Magnetic Resonance Spectra of Porphyrins *

✍ Scribed by Caughey, Winslow S.; Koski, W. S.

Book ID
127288372
Publisher
American Chemical Society
Year
1962
Tongue
English
Weight
719 KB
Volume
1
Category
Article
ISSN
0006-2960

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πŸ“œ SIMILAR VOLUMES

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## Abstract The high temperature ^13^C NMR spectra of the methyl esters of deuteroporphyrin‐IX and protoporphyrin‐IX, and octaethylporphyrin show sharp discrete signals for the inner macrocycle carbon resonances. The temperature dependence of these shifts is discussed.

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THE nuclear magnetic resonance spectra2 of porphyrins show a number of uncommon features, of which the most noteworthy is a peak at very high field. The spectrum of is shown in the figure; aetioporphyrin I\*\*+ in trifluoroacetic acid (TFA) in this strongly acidic medium the porphyrin is Y \*\* \*\*