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On the Structure of Eumelanins: Identification of Constitutional Patterns by Solid‐State NMR Spectroscopy
Author(s) -
Peter Martin G.,
Förster Hans
Publication year - 1989
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198907411
Subject(s) - intramolecular force , chemistry , nuclear magnetic resonance spectroscopy , indole test , solid state , spectroscopy , stereochemistry , physics , quantum mechanics
Eumelanins are deep black, polyphenolic polymers obtained from Dopa 1 or dopamine 2 and containing indole or dihydroindole units, respectively. They are formed by intramolecular addition of the amino groups to the o ‐quinones generated by oxidation. The results of solid‐state 13 C NMR spectroscopy confirm the suggested route of formation of eumelanins.
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