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13C NMR assignment of protonated carbons in d-type porphyrins

✍ Scribed by Russell Timkovich; Laureano L. Bondoc

Publisher
John Wiley and Sons
Year
1989
Tongue
English
Weight
288 KB
Volume
27
Category
Article
ISSN
0749-1581

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✦ Synopsis

The 13C resonances for all protonated carbons have been observed and assigned for the free base esters derived from the following natural products: heme d, the prosthetic group of the bacterial cytochrome oxidase cytochrome d; heme d,, the prosthetic group of the dissimilatory nitrite reductase cytochrome cd,; and a stable form of sulfheme, the chemically m d i e d prosthetic group from the degradation product of myoglobin known as sulfmyoglobin. These partially saturated porphyrins have in common that a heteroatom or atoms has added to a pyrrolic carbon. I3C NMR spectra were obtained on limited amounts of naturally derived samples by protondetected heteronuclear correlation spectroscopy.

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