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Quinone methide formation from 4‐alkylcatechols: a novel reaction catalyzed by cuticular polyphenol oxidase
Author(s) -
Sugumaran M.,
Lipke H.
Publication year - 1983
Publication title -
febs letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.593
H-Index - 257
eISSN - 1873-3468
pISSN - 0014-5793
DOI - 10.1016/0014-5793(83)80210-5
Subject(s) - quinone methide , polyphenol oxidase , quinone , chemistry , catalysis , catechol oxidase , catechol , polyphenol , redox , cuticle (hair) , oxidase test , biochemistry , organic chemistry , enzyme , antioxidant , biology , peroxidase , genetics
Oxidation of 4‐alkylcatechols by cuticular polyphenol oxidase gives quinone methides as initial products as opposed to the conventional quinones. This new reaction accounts for several conflicting observations on the catecholamine chemistry in insect cuticle.