Results 51 to 60 of about 11,091 (232)
Synthesis and Cytotoxic Evaluation of a Series of 2-Amino-Naphthoquinones against Human Cancer Cells
Molecules, 2014 The cytotoxicity of a series of aminonaphthoquinones resulting from the reaction of suitable aminoacids with 1,4-naphthoquinone was assayed against SF-295 (glioblastoma), MDAMB-435 (breast), HCT-8 (colon), HCT-116 (colon), HL-60 (leukemia), OVCAR-8 ...
Thiago A. P. de Moraes +8 more
doaj +1 more source
ANTIOXIDANT NAPHTHOQUINONES OF Sinningia reitzii FROM SANTA CATARINA STATE, BRAZIL
Química Nova, 2021 Sinningia reitzii (Hoehne) L. E. Skog (Gesneriaceae) is a subshrub native to Brazil, where it is distributed in two disjunctive populations around the 26°S and 23°S parallels.
Vanessa Winiewski +5 more
doaj +1 more source
Naphthoquinone Derivatives and Lignans from the Paraguayan Crude Drug “Tayï Pytá” (Tabebuia heptaphylla, Bignoniaceae) [PDF]
, 2003 The Paraguayan crude drug “tayï pytá” is used to treat cancer, wounds and inflammation. It consist of the bark and trunkwood of Tabebuia heptaphylla (Bignoniaceae).
Papastergiou, Fani +1 more
core +1 more source
Cells, 2022 Natural naphthoquinones and their derivatives exhibit a broad spectrum of pharmacological activities and have thus attracted much attention in modern drug discovery.
Ming-Jen Hsu +4 more
doaj +1 more source
Chemistry – A European Journal, EarlyView.Why add another catalyst when the product itself holds the power to catalyze its own formation? Autocatalysis in synthetic chemistry enhances reaction efficiency and uncovers novel catalytic behavior across both closed‐shell and open‐shell systems, expanding reactivity and enabling innovative design strategies.
Jaspreet Kaur, Joshua P. Barham
wiley +1 more source
Evaluation of some organic compounds on bloodstream forms of Trypanosoma cruzi
Memorias do Instituto Oswaldo Cruz, 1992 Accidental transmission of Chagas' disease to man by blood transfusion is a serious problem in Latin-America. This paper describes the testing of several synthetic, semi-synthetic, and natural compounds for their activity against blood trypomastigotes in
João S. Silva +11 more
doaj +1 more source
Lichens: might be considered as a source of gastroprotective molecules? [PDF]
, 2013 Indexación: Web of Science; ScieloABSTRACT Lichens are symbiotic relationship between fungi and algae or cyanobacteria. Secondary metabolites from lichens are known as lichen substances.
Areche, Carlos +3 more
core +2 more sources
The Canadian Journal of Chemical Engineering, EarlyView.Left: Desulphurization method application. Right: Novel desulphurization method. Abstract The presence of hydrogen sulphide (H2S) in biogas poses significant environmental and operational challenges due to its corrosive and toxic properties. Thus, this study aimed to develop a dual‐function desulphurization system using a cation exchange resin (CIER ...
Matheus Damásio Thrun +6 more
wiley +1 more source
Overcoming naphthoquinone deactivation:rhodium-catalyzed C-5 selective C-H iodination as a gateway to functionalized derivatives [PDF]
, 2016 Rh-catalyzed C-5 selective C–H iodination of naphthoquinones provides a gateway to previously inaccessible A-ring analogues. C-2 selective processes can be achieved under related conditions.
Bower, John +2 more
core +2 more sources
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.A sulfur‐containing heterocyclic quinone cathode for rechargeable magnesium batteries is coupled with a GO/MWCNTs–COOH separator that establishes a confinement–adsorption regulation mechanism, thereby significantly accelerating Mg2+ reaction kinetics and minimizing active‐material loss.
Xiquan Qi +3 more
wiley +1 more source