PROTA, GIUSEPPE
PROTA, GIUSEPPE
A Novel Octahydropyridobenzothiazepine Metabolite in Human Urine: Biomimetic Formation from the Melanogen 5-S-Cysteinyldopa and Formaldehyde via a Peculiar Sulfur-Controlled Double Pictet-Spengler Condensation.
2000 Manini, Paola; D'Ischia, Marco; Prota, Giuseppe
Isolation of a new intermediate in the oxidative conversion of 5,6-dihydroxyindole-2-carboxylic acid to melanin.
1987 P., Palumbo; D'Ischia, Marco; Crescenzi, Orlando; Prota, Giuseppe
The reaction of cysteine with 1,4-benzoquinone: a revision
1988 Crescenzi, Orlando; Prota, Giuseppe; T., Schultz; L. J., Wolfram
Synthesis and reactivity of cyclic quinonimines of the 2H-1,4-benzothiazine series
1990 Crescenzi, Orlando; Prota, Giuseppe; T. M., Schultz; L. J., Wolfram
New intermediates of pheomelanogenesis in vitro beyond the 1,4-benzothiazine stage
1990 C., Costantini; Crescenzi, Orlando; Prota, Giuseppe; A., Palumbo
Evidence for the intermediacy of quinone-methides in the rearrangement of aminochromes to 5,6-dihydroxyindoles
1990 Crescenzi, Orlando; C., Costantini; Prota, Giuseppe
Mechanism of the rearrangement of dopachrome to 5,6-dihydroxyindole
1991 C., Costantini; Crescenzi, Orlando; Prota, Giuseppe
Oxidative coupling of DOPA with resorcinol and phloroglucinol: isolation of adducts with an unusual tetrahydromethanobenzofuro[2,3-d]azocine skeleton
1991 Crescenzi, Orlando; Napolitano, Alessandra; Prota, Giuseppe; M. G., Peter
Biphenyltetrols and dibenzofuranones from oxidative coupling of resorcinol with 4-alkyl-pyrocatechols: new clues to the mechanism of insect cuticle sclerotization.
1991 M., Miessner; Crescenzi, Orlando; Napolitano, Alessandra; Prota, Giuseppe; S. O., Andersen; M. G., Peter
Copolymerisation of 5,6-dihydroxyindole and 5,6-dihydroxyindole-2-carboxylic acid in melanogenesis: isolation of a cross-coupling product.
1993 Napolitano, Alessandra; Crescenzi, Orlando; Prota, Giuseppe
The alleged stability of dopa-melanins revisited
1993 Crescenzi, Orlando; D'Ischia, Marco; Napolitano, Alessandra; Prota, Giuseppe
Oxidation chemistry of 5,6-dihydroxy-2-methylindole.
1993 Napolitano, Alessandra; Crescenzi, Orlando; K., Tsiakas; Prota, Giuseppe
Synthesis of dopamines labeled with 13C in the alpha- or beta-side chain position and their application to structural studies on melanins by solid-state NMR spectroscopy
1994 Crescenzi, Orlando; C., Kroesche; W., Hoffbauer; M., Jansen; Napolitano, Alessandra; Prota, Giuseppe; M. G., Peter
Characterisation of 1,4-benzothiazine intermediates in the oxidative conversion of 5-S-cysteinyldopa to pheomelanins.
1994 Napolitano, Alessandra; C., Costantini; Crescenzi, Orlando; Prota, Giuseppe
Generation of the neurotoxin 6-hydroxydopamine by peroxidase/H2O2 oxidation of dopamine.
1995 Napolitano, Alessandra; Crescenzi, Orlando; Pezzella, Alessandro; Prota, Giuseppe
Oxidative polymerization of the pheomelanin precursor 5-hydroxy-1,4-benzothiazinylalanine: a new hint to the pigment structure.
1996 Napolitano, Alessandra; S., Memoli; Crescenzi, Orlando; Prota, Giuseppe
Microanalysis of melanins in mammalian hair by alkaline hydrogen peroxide degradation: identification of a new structural marker of pheomelanin
2000 Prota, Giuseppe; Napolitano, Alessandra; Vincensi, M. R.; DI DONATO, P; Monfrecola, Giuseppe
Melanins and melanogenesis
1992 Prota, Giuseppe
NUOVI ASPETTI DELLA CHIMICA DI NEUROTRASMETTITORI MONOAMMINICI E DERIVATI CALECOLICI CORRELATI: REAZIONI CON ALDEIDI ED ALTRI SUBSTRATI DI INTERESSE BIOLOGICO
2002 Prota, Giuseppe
The Regulatory Role of Sulfhydryl Compounds in Melanogenesis
1988 Prota, Giuseppe; D'Ischia, Marco; Napolitano, Alessandra