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Frédéric Mercier et al.
Bioorganic & medicinal chemistry, 18(21), 7422-7431 (2010-10-05)
Various peptidoglycan fragments were synthesized from two anhydro-muramic acid derivatives protected with a Bn or a PMB group at the 4th position, in homogenate phase or on a solid support. In order to facilitate HPLC detection, a chromophoric group was...
Kristin Samuelsson et al.
Chemical research in toxicology, 24(1), 35-44 (2010-11-16)
Diphenylthiourea (DPTU) is a known skin sensitizer commonly used as a vulcanization accelerator in the production of synthetic rubber, for example, neoprene. The versatile usage of neoprene is due to the multifaceted properties of the material; for example, it is...
Saioa Gomez-Zorita et al.
Journal of physiology and biochemistry, 69(3), 585-593 (2013-01-15)
Resveratrol is a naturally occurring polyphenol found in many dietary sources and red wine. Recognized as a cancer chemoprevention agent, an anti-inflammatory factor and an antioxidant molecule, resveratrol has been proposed as a potential anti-obesity compound and to be beneficial...
Jia Liu et al.
Analytica chimica acta, 689(1), 69-76 (2011-02-23)
(5R)-Hydroxytriptolide, a semisynthetic structural analog of triptolide, exhibits anti-inflammatory and immunosuppressive effect both in vitro and in vivo. The compound is currently undergoing Phase I clinical trials. This work describes the quantification of (5R)-hydroxytriptolide in human plasma based on chemical...
Sandra Grès et al.
Journal of physiology and biochemistry, 68(4), 651-662 (2012-05-02)
Semicarbazide-sensitive amine oxidase (SSAO) is a transmembrane enzyme that metabolizes primary amines from endogenous or dietary origin. SSAO is highly expressed in adipose, smooth muscle and endothelial cells. In each of these cell types, SSAO is implicated in different biological...
Simultaneous determination of norepinephrine, serotonin, and 5-hydroxyindole-3-acetic acid in microdialysis samples from rat brain by microbore column liquid chromatography with fluorescence detection following derivatization with benzylamine
Yoshitake T, et al.
Analytical Biochemistry, 312(2), 125-133 (2003)
Hong Cao et al.
Organic letters, 13(1), 11-13 (2010-12-02)
A versatile synthesis of unsaturated seven-membered ring lactams has been developed. The sequence involves hydroamination of Baylis-Hillman acetate with amines, followed by intramolecular cyclocarbonylation reactions of the resulting allylamines. This process can tolerate a wide array of functional groups, and...
Ren-Qi Wang et al.
Analytica chimica acta, 853, 608-616 (2014-12-04)
A hydrophilic interaction liquid chromatography (HILIC) method was developed to measure the composition of humic substances from river, reservoir, and treated wastewater based on their physicochemical properties. The current method fractionates the humic substances into four well-defined groups based on...
E S Simon et al.
Rapid communications in mass spectrometry : RCM, 26(6), 631-638 (2012-02-14)
Motivated by the need for chemical strategies designed to tune peptide fragmentation to selective cleavage reactions, benzyl ring substituent influence on the relative formation of carbocation elimination (CCE) products from peptides with benzylamine-derivatized lysyl residues has been examined using collision-induced...
The Derivatization of Proquinoidal Analytes with 1, 2-Diphenylethane-1, 2-Diamine (DPE) and Benzylamine (BA): An Investigation of Products, Yields, Kinetics and Reagent Selectivity
Woods JM, et al.
Chromatographia, 78(3-4), 163-178 (2015)
A Olivieri et al.
Journal of biochemical and molecular toxicology, 25(1), 26-27 (2011-02-16)
Semicarbazide-sensitive amine oxidase (SSAO) is a copper-containing enzyme that catalyzes the oxidative deamination of endogenous and exogenous primary amines. SSAO exists in mammals both as a plasma-soluble and as a membrane-bound form, and its active site is able to come...
Chris J Weston et al.
The Journal of clinical investigation, 125(2), 501-520 (2015-01-07)
Nonalcoholic fatty liver disease (NAFLD) encompasses a range of manifestations, including steatosis and cirrhosis. Progressive disease is characterized by hepatic leukocyte accumulation in the form of steatohepatitis. The adhesion molecule vascular adhesion protein-1 (VAP-1) is a membrane-bound amine oxidase that...
Giulia Caron et al.
Journal of medicinal chemistry, 48(9), 3269-3279 (2005-04-29)
Growing interest in the use of both the logarithm of the partition coefficient of the neutral species in the alkane/water system (log P(N)(alk)) and the difference between log P(N)(oct) (the logarithm of the partition coefficient of the neutral species in...
Zhiqiang Guo et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 83(1), 344-347 (2011-09-17)
[Ni(CH(3)COO)(2)·(NH(2)CH(2)Ph)(4)] complex was synthesized using benzylamine and nickel acetate. The molecular structure of this complex was obtained by single crystal X-ray diffraction and characterized by elemental analysis, IR spectrometry and thermal analysis. The complex crystallized in the monoclinic space group...
Hélène Lebel et al.
Chemical communications (Cambridge, England), 48(63), 7799-7801 (2012-07-04)
A novel chiral N-mesyloxycarbamate to perform rhodium-catalyzed stereoselective C-H amination reactions is reported. Chiral benzylic and propargylic amines are produced in good yields and selectivities using ethyl acetate as solvent. The corresponding free amines are easily obtained by cleavage of...
Valerie J Klema et al.
Biochemistry, 52(13), 2291-2301 (2013-03-05)
Copper amine oxidases (CAOs) are responsible for the oxidative deamination of primary amines to their corresponding aldehydes. The CAO catalytic mechanism can be divided into two half-reactions: a reductive half-reaction in which a primary amine substrate is oxidized to its...
Dominic P H M Heuts et al.
The Journal of biological chemistry, 286(34), 29584-29593 (2011-07-09)
Human vascular adhesion protein-1 (VAP-1) is an endothelial copper-dependent amine oxidase involved in the recruitment and extravasation of leukocytes at sites of inflammation. VAP-1 is an important therapeutic target for several pathological conditions. We expressed soluble VAP-1 in HEK293 EBNA1...
Kaoru Fujino et al.
Journal of chromatography. A, 1012(2), 169-177 (2003-10-03)
A highly selective and sensitive method for the simultaneous determination of 5-hydroxyindoles and catechols (serotonin, norepinephrine, dopamine and related compounds) by high-performance liquid chromatography with fluorescence detection is described. The method is based on the two-step precolumn derivatization of 5-hydroxyindoles...
Isabella Karlsson et al.
Photochemistry and photobiology, 88(4), 904-912 (2012-03-21)
Octocrylene is an organic UV filter, commonly used in sunscreens and cosmetics, which can give rise to both contact and photocontact allergy. Our aim was to investigate octocrylene's interaction with amino acid analogs in the presence of UV radiation to...
Gary L Grunewald et al.
Bioorganic & medicinal chemistry, 16(1), 542-559 (2007-11-21)
A series of substituted 4,5,6,7-tetrahydrothieno[3,2-c]pyridines (THTPs) was synthesized and evaluated for their human phenylethanolamine N-methyltransferase (hPNMT) inhibitory potency and affinity for the alpha(2)-adrenoceptor. The THTP nucleus was suggested as an isosteric replacement for the 1,2,3,4-tetrahydroisoquinoline (THIQ) ring system on the...
Huilu Wu et al.
Journal of photochemistry and photobiology. B, Biology, 116, 13-21 (2012-09-29)
A manganese(II) complex of the type, [MnL(pic)(2)]·H(2)O, was obtained by the reaction of the V-shaped ligand bis(N-benzylbenzimidazol-2-ylmethyl)benzylamine (L) with Mn(pic)(2) (pic=picrate). The ligand L and Mn(II) complex were confirmed on the basis of elemental analysis, molarconductivities, (1)H NMR, IR, UV-vis...
Nadia Z Shaban et al.
Journal of physiology and biochemistry, 68(4), 475-484 (2012-04-03)
The effects of some pyrimidine compounds (PCs) including barbituric acid (BA) 5,5-diethyl barbituric acid (DEBA), 2-thiobarbituric acid (TBA), violuric acid (VA), 2-thiouracil (TU), and 6-amino-2-thiouracil (ATU) on the activity of rat brain monoamine oxidase-B (MAO-B) were investigated. The results revealed...
Benzylamine analog binding studies as probes of the substrate sites of monoamine oxidases A and B.
D E Edmondson
Drug metabolism reviews, 31(1), 235-245 (1999-03-05)
F Anthony Romero et al.
Bioorganic & medicinal chemistry letters, 22(2), 1014-1018 (2011-12-27)
The synthesis and evaluation of small molecule antagonists of the G protein-coupled receptor NPBWR1 (GPR7) are reported for the first time. [4-(5-Chloropyridin-2-yl)piperazin-1-yl][(1S,2S,4R)-4-{[(1R)-1-(4-methoxyphenyl)ethyl]amino}-2-(thiophen-3-yl)cyclohexyl]methanone (1) emerged as a hit from a high-throughput screen. Examination of substituents that focused on replacing the 5-chloropyridine...
Satish R Malwal et al.
Journal of medicinal chemistry, 55(1), 553-557 (2011-12-02)
Here, 2,4-dinitrophenylsulfonamides with tunable cysteine-activated SO(2) release profiles with half-lives of SO(2) release varying from 2 to 63 min are reported. N-Benzyl-2,4-dinitrobenzenesulfonamide (6), which is prepared in one step from commercial sources, had a potency (MIC = 0.15 μM) of...
C Carpéné et al.
Physiological research, 61(3), 251-257 (2012-04-07)
Uric acid is involved in nitrogenous waste in animals, together with ammonia and urea. Uric acid has also antioxidant properties and is a surrogate marker of metabolic syndrome. We observed that the elevated plasma uric acid of high-fat fed mice...
Anél Pretorius et al.
Bioorganic & medicinal chemistry, 18(11), 4111-4118 (2010-05-11)
The parkinsonian inducing agent 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) and its corresponding five-membered ring analogue 1-methyl-3-phenyl-3-pyrroline are cyclic tertiary allylamines and good substrates of monoamine oxidase B (MAO-B). The MAO-B catalyzed 2-electron alpha-carbon oxidation of this class of substrates appears to be dependent...
Stephanie Gourdain et al.
Nucleosides, nucleotides & nucleic acids, 29(7), 542-546 (2010-07-01)
Previously reported syntheses of the photoaffinity label 5-azido-2'-deoxyuridine are rather inefficient and involve the tedious preparation of a 5-nitro intermediate. To overcome these inconveniences, we have developed a new approach from the commercially available 5-bromo-2'-deoxyuridine nucleoside. Our synthetic route makes...
Erika M Milczek et al.
The FEBS journal, 278(24), 4860-4869 (2011-10-08)
The major structural difference between human monoamine oxidases A (MAO A) and B (MAO B) is that MAO A has a monopartite substrate cavity of ~550 Å(3) volume and MAO B contains a dipartite cavity structure with volumes of ~290...
Vincenzo Bertini et al.
Journal of medicinal chemistry, 48(3), 664-670 (2005-02-04)
The first substratelike, reversible inhibitors of different copper amine oxidases (CAOs) with IC50 (M) as low as 2.0 x 10(-8) corresponding to derivatives of 4-aminomethylpyridine with alkoxy (1a-d), alkylthio (2a,b), and alkylamino (3a-e, 4a-j) groups in the positions 3 and...
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