Synthesis of carbazoloquinone derivatives and their antileukemic activity via modulating cellular reactive oxygen species
Carbazoloquinone alkaloids are of great interest as privileged structures for anticancer drug molecules. The purpose of this study was to investigate the structure-activity relationships of carbazoloquinone derivatives as anticancer agents. A series of ca
An in-water, on-water domino process for synthesis
An in-water, on-water domino process has been engineered as a green strategy for chemical synthesis. The process is driven by the different aqueous solubility of organic reactants and products, which are shuttled between the two phases of an emulsion. During this process, water serves as a reaction medium, a product partitioner and a reaction catalyst. The Royal Society of Chemistry 2012.
Norcott, Philip,Spielman, Calan,McErlean, Christopher S. P.
supporting information; experimental part
p. 605 - 609
(2012/04/23)
Structure-activity delineation of quinones related to the biologically active Calothrixin B
Quinones such as Calothrixins A and B display a range of biological properties. As part of our ongoing studies to elucidate the mechanism of action of the Calothrixins, several related quinones were synthesized and tested for biological activity. The resu
Bernardo, Paul H.,Chai, Christina L.L.,Guen, Maurice Le,Smith, Geoffrey D.,Waring, Paul
p. 82 - 85
(2007/10/03)
Indoloquinones, part 8.1 palladium(II)-catalyzed total synthesis of murrayaquinone A, koeniginequinone A, and koeniginequinone B
Regioselective addition of the appropriate arylamines to 2-methyl-1,4-benzoquinone followed by a palladium(II)-catalyzed oxidative cyclization opens up an efficient route to the naturally occurring 3-methylcarbazole-1,4-quinone alkaloids murrayaquinone A, koeniginequinone A, and koeniginequinone B.
Knoelker, Hans-Joachim,Reddy, Kethiri R.
p. 1049 - 1052
(2007/10/03)
Catalytic oxidative aromatic cyclizations with palladium
Using tert-butyl hydroperoxide as oxidant, facile palladium-catalyzed cyclizations of arylaminoquinones have been performed.
Akermark, Bjoern,Oslob, Johan D.,Heuschert, Ulrich
p. 1325 - 1326
(2007/10/02)
Synthesis of some carbazolequinone alkaloids and their analogues. Facile palladium-assisted intramolecular ring closure of arylamino-1,4-benzoquinones to carbazole-1,4-quinones
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Yogo,Ito,Furukawa
p. 328 - 334
(2007/10/02)
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