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P J Ciaccio et al.
Molecular pharmacology, 43(6), 845-853 (1993-06-01)
We report the initial identification of a 37.5-kDa putative aldoketo reductase in human colon carcinoma cells. An aminoterminal trypsin fragment was sequenced and found to be identical to bovine prostaglandin F synthase in 19 of 21 amino acids. Levels of
Use of p-nitrophenyl disulfide to measure reductive capacity of intact cells.
C Gitler et al.
Methods in enzymology, 251, 279-286 (1995-01-01)
Gaëtan Assemat et al.
Forensic science international, 279, 88-95 (2017-08-31)
Forty one samples of herbal spices intended to be introduced into the European market and seized by the French customs were analysed with high-field
Synthesis and characterization of 1, 2-dicarboxyethyl-terminated polystyrene.
Zhong XF and Eisenberg A.
Macromolecules, 27(18), 4914-4918 (1994)
K G Heimann et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 29(8), 575-578 (1991-08-01)
Maleic acid dimethylester (MAD) was investigated in acute and subacute dermal toxicity studies, for sensitization potential, and for in vivo and in vitro genotoxicity. The acute dermal toxicity in rats was low (LD50 greater than 2000 mg/kg body weight). Only
Kinetics of Diels-Alder reactions in critical binary solutions
Yin H, et al.
Journal of Molecular Liquids, 216, 704-709 (2016)
Michele Di Foggia et al.
International journal of biological macromolecules, 167, 620-632 (2020-12-07)
Many restoring formulations for damaged hair keratin have been developed. Some patents claim that the hair repair occurs through the reconstruction of disulfide bridges of keratin, through α,β-unsaturated Michael acceptors, such as shikimic acid and bis-aminopropyl diglycol dimaleate. To gain
Adam J Lowe et al.
Organic & biomolecular chemistry, 5(9), 1343-1346 (2007-04-28)
Based on (1)H NMR studies, subtle electronic factors rather than pre-organisation dictate the binding stoichiometry of the new, norbornene based, anion hosts 1 and 2 with acetate, however, the binding of dihydrogenphosphate appears to be based solely on steric constraints.
Necmettin Pirinççioğlu et al.
Organic & biomolecular chemistry, 5(24), 4001-4009 (2007-11-29)
Structural analysis of the bromo-beta-lactones obtained by addition of bromine to aqueous solutions of disodium 2,3-dimethylmaleate and 2,3-dimethylfumarate reveals stereochemistries opposite to those originally assigned in 1937: cis alkene yields erythro lactone, and trans alkene yields threo lactone. B3LYP/6-31+G(d) calculations
Preparation of Cu/SBA-15 catalysts by different methods for the hydrogenolysis of dimethyl maleate to 1, 4-butanediol.
Chen L-F, et al.
Applied Catalysis A: General, 356(2), 129-136 (2009)
Bo Reum Lee et al.
Chemical communications (Cambridge, England), 47(13), 3852-3854 (2011-02-16)
We report charge-switching ionic nanocomplexes comprised of glycol chitosan grafted with 2,3-dimethylmaleic acid (DMA) (denoted as 'GCS-g-DMA' hereafter) and a proapoptotic peptide. This system allowed for improved peptide delivery to tumor sites via a mechanism of selective peptide release when
Balyn W Zaro et al.
Journal of immunology (Baltimore, Md. : 1950), 202(9), 2737-2746 (2019-03-20)
Dimethyl fumarate (DMF) is a prescribed treatment for multiple sclerosis and has also been used to treat psoriasis. The electrophilicity of DMF suggests that its immunosuppressive activity is related to the covalent modification of cysteine residues in the human proteome.
Rotating Ring-Disk Electrodes V. Isomerization and Reductive Coupling of Dialkyl Maleates.
Yeh L-SR and Bard AJ.
Journal of the Electrochemical Society, 124(2), 189-195 (1977)
James M Longmire et al.
Journal of the American Chemical Society, 124(45), 13400-13401 (2002-11-07)
A highly reactive Ag(I)-catalyzed [3 + 2] cycloaddition of azomethine ylides is founded using AgOAc as the catalytic precursor and phosphines as ligands. Using a new bis-ferrocenyl amide phosphine (FAP) as the ligand, we found that high enantioselectivities (up to
Acceleration of the Diels-Alder reaction by aluminum chloride.
Yates P and Eaton P.
Journal of the American Chemical Society, 82(16), 4436-4437 (2960)
Danhong Lu et al.
Proceedings of the National Academy of Sciences of the United States of America, 99(5), 2708-2713 (2002-03-07)
Cellular metabolism of glucose is required for stimulation of insulin secretion from pancreatic beta cells, but the precise metabolic coupling factors involved in this process are not known. In an effort to better understand mechanisms of fuel-mediated insulin secretion, we
Kun Wei et al.
The Journal of organic chemistry, 69(17), 5763-5765 (2004-08-17)
Ultrasonic irradiation effectively promotes the Diels-Alder reaction of substituted furans with reactive dienophiles (i.e., dimethyl acetylenedicarboxylate (DMAD) and dimethyl maleate). Regiospecific furano Diels-Alder cycloaddition of 2-vinylic furans with DMAD furnished functionalized oxabicyclic alkenes in good yield under ultrasonication condition.
M Wong et al.
Teratology, 40(2), 127-141 (1989-08-01)
The teratogenicity of phenytoin may result from its enzymatic bioactivation to a reactive intermediate, which, if not detoxified, can interact with embryonic tissues and alter development. Glutathione (GSH) is an important cofactor/substrate for many physiological processes and for the detoxification
Mitsuo Miyazawa et al.
Natural product research, 17(5), 337-339 (2003-10-07)
Dimethyl malate (1) and 5-hydroxymethyl furfural (2) were isolated as insecticidal compounds by bioassay-guided fractionation from MeOH extract of the fruits of Cornus officinalis Sieb. et Zucc. Insecticidal activity against larvae of D. melanogaster was demonstrated: 1 and 2 gave
K Miura et al.
Methods and findings in experimental and clinical pharmacology, 19(3), 147-151 (1997-04-01)
Menadione and dimethyl maleate, Michael reaction acceptors, induced N-ethylmaleimide (NEM) reductase activity in Escherichia coli strain DH5a. Linoleic acid also induced NEM reductase activity, but oleic acid, which is less susceptible to lipid peroxidation than linoleic acid, did not induce
Kaija Lammintausta et al.
Contact dermatitis, 62(2), 88-96 (2010-02-09)
Chairs and sofas imported from China to Europe were shown to contain dimethyl fumarate (DMF), a sensitizing, volatile chemical. Many of the sensitized patients also had positive patch test reactions to acrylates. To analyse the occurrence and strength of DMF
B Kharkov et al.
Journal of magnetic resonance (San Diego, Calif. : 1997), 284, 1-7 (2017-09-20)
Nuclear spin singlet lifetimes can often exceed the T
Michael Riedelberger et al.
Cell host & microbe, 27(3), 454-466 (2020-02-23)
Type I interferons (IFNs-I) fulfil multiple protective functions during pathogenic infections, but they can also cause detrimental effects and enhance immunopathology. Here, we report that IFNs-I promote the dysregulation of iron homeostasis in macrophages during systemic infections with the intracellular
Christian H Hornung et al.
Beilstein journal of organic chemistry, 13, 120-126 (2017-02-24)
This work describes the Diels-Alder reaction of the naturally occurring substituted butadiene, myrcene, with a range of different naturally occurring and synthetic dienophiles. The synthesis of the Diels-Alder adduct from myrcene and acrylic acid, containing surfactant properties, was scaled-up in
Ju-Yi Hsieh et al.
PloS one, 9(6), e98385-e98385 (2014-06-10)
Human mitochondrial NAD(P)+-dependent malic enzyme (m-NAD(P)-ME) is allosterically activated by the four-carbon trans dicarboxylic acid, fumarate. Previous studies have suggested that the dicarboxylic acid in a trans conformation around the carbon-carbon double bond is required for the allosteric activation of
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