uroporphyrin Biochem.
(jʊərəʊˈpɔːfɪrɪn)
[ad. G. urinporphyrin (H. Fischer 1915, in Zeitschr. f. physiol. Chem. XCV. 34): see uro-1 and porphyrin.]
Any of a group of porphyrins, occurring esp. in the urine during certain types of porphyria, in which each of the pyrrole rings has one acetate and one propionate side chain.
| [1915 Chem. Abstr. IX. 2884 Methyl ester..prepd. by the action of MeOH-HCl upon urinoporphyrin.] 1924 Ibid. XVIII. 2720 For uroporphyrin and coproporphyrin..the spectra are now shown to be quite distinct. 1939, etc. [see porphobilinogen]. 1955 [see next]. 1958 New Biol. XXV. 75 The African plantain-eaters [sc. a family of birds]..are unique in possessing two uroporphyrin pigments, green turacoverdin and the turacin. 1978 A. R. Battersby in Porter & Fitzsimons Further Perspectives Org. Chem. (CIBA Symp. No. 53) 37 M. Thompson mixed the protiomethyl ester of uroporphyrin-II with the corresponding deuteriomethyl ester. |