Results 161 to 170 of about 1,147 (212)
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Antioxidant effects of the highly-substituted carbazole alkaloids and their related carbazoles
Bioorganic & Medicinal Chemistry Letters, 2014Antioxidant activities of 3-oxygenated and 3,4-dioxygenated carbazole alkaloids and their related carbazoles were comprehensively evaluated. In all assay systems, the 3,8-dihydroxycarbazoles carbazomadurin A (2) and B (3), and their synthetic precursors 2a and 3a exhibited higher antioxidant activities than the 3-monohydroxycarbazoles carazostatin (1),
Yuhzo, Hieda +8 more
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A Concise Synthesis of Novel Naphtho[a]carbazoles and Benzo[c]carbazoles.
ChemInform, 2006AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Rakhi Pathak +5 more
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1991
The European dye stuff industry originally provided the main stimulus for development of the chemistry of carbazoles since the discovery of the first member of the group, carbazole (1) from coal tar in 1872 by Graebe and Glazer (35). The isolation of carbazole as a degradation product of strychnine (2) by Clemo and Perkin (18) in 1924 provided further ...
D P, Chakraborty, S, Roy
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The European dye stuff industry originally provided the main stimulus for development of the chemistry of carbazoles since the discovery of the first member of the group, carbazole (1) from coal tar in 1872 by Graebe and Glazer (35). The isolation of carbazole as a degradation product of strychnine (2) by Clemo and Perkin (18) in 1924 provided further ...
D P, Chakraborty, S, Roy
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Electrochemiluminescence of carbazole
Canadian Journal of Chemistry, 1969Effect of supporting electrolytes in the electrochemiluminescence of carbazole has been studied with a view to understanding more about the mechanism of the chemiluminescence process. Comparison of the emission spectrum with its fluorescence and phosphorescence spectra suggests that the excited state is not carbazole.
K. S. V. Santhanam +2 more
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Experientia, 1962
Es wurde mit Hilfe der Papier- und Dunnschichtchromatographie und der Isotopen-Verdunnungstechnik des C14-markierten Materials gezeigt, dass diein vivo-Hydroxylierung von Carbazol sowohl im Ratten- als auch im Kaninchenorganismus am Ort der hochsten Elektronenstauung stattfindet und zur Bildung von 3-Hydroxycarbazol fuhrt.
S. R. Johns, S. E. Wright
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Es wurde mit Hilfe der Papier- und Dunnschichtchromatographie und der Isotopen-Verdunnungstechnik des C14-markierten Materials gezeigt, dass diein vivo-Hydroxylierung von Carbazol sowohl im Ratten- als auch im Kaninchenorganismus am Ort der hochsten Elektronenstauung stattfindet und zur Bildung von 3-Hydroxycarbazol fuhrt.
S. R. Johns, S. E. Wright
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COMPARATIVE DEVELOPMENTAL DERMAL TOXICITY AND MUTAGENICITY OF CARBAZOLE AND BENZO[a]CARBAZOLE
Environmental Toxicology and Chemistry, 1997AbstractThe objectives of this study were (1) to determine the developmental toxicity of carbazole and benzo[a]carbazole following daily dermal administration to female Sprague-Dawley rats on days 0 through 20 of gestation and (2) to determine the mutagenicity of these two compounds using a modified version of the Ames assay.
Sheryl M Dutson +4 more
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Notiz über höhermolekulare Carbazol‐Derivate 1‐Oxy‐carbazol‐äther und 3‐ Alkylamino‐carbazole)
Chemische Berichte, 1951AbstractDie Darstellung von l‐Oxy‐carbazol‐äthern und 3‐Alkylamino‐carbazolen unter Verwendung von höheren linearen Alkylchloriden und ihre Eigenschaften werden beschrieben.
Hans Fürst, Joachim Bosse
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European Polymer Journal, 1968
Abstract Carbazole units in copolymers can be cross-linked by reaction with a Lewis acid catalyst in methylene chloride. The reaction initially causes gel formation, followed by the development (with BF3. Et2O) of a characteristic blue colour. The blue product has been shown to be a cationic dye of the diaryl—methyl type, derived from the dye base ...
A. Ledwith, A.M. North, K.E. Whitelock
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Abstract Carbazole units in copolymers can be cross-linked by reaction with a Lewis acid catalyst in methylene chloride. The reaction initially causes gel formation, followed by the development (with BF3. Et2O) of a characteristic blue colour. The blue product has been shown to be a cationic dye of the diaryl—methyl type, derived from the dye base ...
A. Ledwith, A.M. North, K.E. Whitelock
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