Coupling of L-histidine methyl ester and L-histidine-containing peptide esters to ferric protoporphyrin IX chloride
- 1 January 1971
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society D: Chemical Communications
- No. 7,p. 369-370
- https://doi.org/10.1039/c29710000369
Abstract
The coupling of L-histidine methyl ester and L-histidine-containing peptide esters to ferric protoporphyrin IX chloride is performed by the mixed carboxylic–carbonic acid anhydride method to give the disubstituted products in good yield: spectroscopic evidence indicates that the degree of interaction between the imidazole ligands and the iron atom depends upon the length of the peptide chain.Keywords
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