Oxidation of 4-alkylpyrocatechols 2 by means of an insect diphenoloxidase (laccase) or K3 [Fe(CN)6] yields, in the presence of resorcinols 1 (R2 H), complex mixtures of products from which biphenyltetrols 3 (R3 H) and dibenzofuranones 5 and 6 were isolated. It is suggested that similar homo-coupling products are formed from pyrocatechols 2b and 2c in insects during cuticle sclerotization
Biphenyltetrols and dibenzofuranones from oxidative coupling of resorcinol with 4-alkyl-pyrocatechols: new clues to the mechanism of insect cuticle sclerotization / M., Miessner; Crescenzi, Orlando; Napolitano, Alessandra; Prota, Giuseppe; S. O., Andersen; M. G., Peter. - In: HELVETICA CHIMICA ACTA. - ISSN 0018-019X. - STAMPA. - 74:6(1991), pp. 1205-1212. [10.1002/hlca.19910740607]
Biphenyltetrols and dibenzofuranones from oxidative coupling of resorcinol with 4-alkyl-pyrocatechols: new clues to the mechanism of insect cuticle sclerotization.
CRESCENZI, ORLANDO;NAPOLITANO, ALESSANDRA;PROTA, GIUSEPPE;
1991
Abstract
Oxidation of 4-alkylpyrocatechols 2 by means of an insect diphenoloxidase (laccase) or K3 [Fe(CN)6] yields, in the presence of resorcinols 1 (R2 H), complex mixtures of products from which biphenyltetrols 3 (R3 H) and dibenzofuranones 5 and 6 were isolated. It is suggested that similar homo-coupling products are formed from pyrocatechols 2b and 2c in insects during cuticle sclerotizationI documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
