Amino-Acid Derivatives
Synthesis and characteristics of amino acid derivatives of 1,4 naphthoquinone
... unknown amino acid derivatives of ...of amino acid derivatives of 1,4-naphthoquinone, which can be used as base, for the synthesis of new biologically active ...of amino ...
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Middle Molecular Weight Heparinyl Amino Acid Derivatives (MHADs) Function as Indirect Radical Scavengers in Vitro
... heparinyl amino acid derivatives (MHADs) to reduce the adverse effect of heparin (HE) based on its anticoagulant ...HE derivatives might be candi- dates for therapeutic agents to treat ...
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New Amphiphilic Amino Acid Derivatives for Efficient DNA Transfection in Vitro
... at the CMC. This improvement in the interfacial properties makes them less suitable to act individually at cell membrane level, and more suitable to cross without damaging it. The residues of ornithine are positively ...
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Studies on synthesis of some new amino acid derivatives of Cefadroxil and their antimicrobial evaluation
... N-Tos-cefadroxil amino acid derivatives (XXVI,XXVII) were synthesized using the active ester method [26] that involves the aminolysis reaction of N-Tos-cefadroxil p- nitrophenyl ester (V) as mediated ...
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Binaphthyl-anchored antibacterial tripeptide derivatives with hydrophobic C-terminal amino acid variations
... available amino acid derivatives 3 and proceeding via the amino benzyl esters 4 (Scheme 1), with the exception of the synthesis of 2c in which the commercially available 4c was used as the ...
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Studies on the structural characteristics of various complexes formed with amino acid derivatives and the cu (ii) ninhydrin reagent
... containing amino acid and peptide spots was first sprayed with ninhydrin and then with cupric salt solution, both amino acids and peptides gave colors ranging from brown to pink and it was not ...
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Synthesis of New Amino Acid Derivatives Attached to Quinazoline Moiety as Antitumor Agents
... Quinazoline derivatives, which belong to the N-containing heterocyclic compounds, have caused universal concerns due to their widely and distinct biopharmaceutical ...quinazoline derivatives, including ...
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Substituent effects in the radical reactions of amino acid derivatives and their analogues
... The iV-benzoylsulfone 104 (0.5 g, 1.7 mmol) was placed in a flame dried two necked flask. The flask was then both evacuated and purged with nitrogen 5-10 times before the addition of freshly distilled THF (25 ml). The ...
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Synthesis, and phytopathological application of some novel amino acid, dipeptide and diphenylphosphonic acid derivatives of 2 aminopyrimidine
... these amino acid derivatives to form the corresponding dipeptides (XVII-XXIV) were synthesized starting with 2-[glycyl or Dl-valyl- p-substituted phenylmethyleneamino]- pyrimdines ...
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Alanine, proline and urea are major organic osmolytes in the snail Theodoxus fluviatilis under hyperosmotic stress
... two amino acids that accounted for most of the total change in organic osmolyte content in the foot muscle of stressed animals were alanine and proline ...Other amino acids, however, also contributed to the ...
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SAR: SYNTHESIS AND ANTIMICROBIAL EVALUATION OF NOVEL 5 (2 FLUORO / 2, 3 DI FLUORO PHENYL) 1, 3, 4 THIADIAZOLE 2 AMINE DERIVATVES AS ANTI CANCER COMPOUNDS
... novel derivatives were synthesized using pharmacophores amino acids leuicine and glycine having carboxylic acid which showed good anti-inflammatory activity and after screening of antimicrobial ...
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DL Valine–succinic acid (2/1)
... essential amino acid, is required in human and animal diet for the maintenance of nitrogen ...of amino acids with carboxylic acids have provided a wealth of information regarding stoi- chiometry, ...
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Purification and characterization of a novel defensin from the salivary glands of the black fly, Simulium bannaense
... sixteen amino acids residues within the mature peptides are highly conserved, including a signature motif of six conserved cysteines and an additional ten residues (Ala60, Thr61, Asp63, Ser66, His76, Ala80, His82, ...
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Proximate, mineral, amino acid composition and mineral safety index of Callinectes latimanus
... a hard exoskeleton which serves as protective armour except at those times when it has to be shed, as its occupant grows, and replaced by a new and larger one (Davidson, 1999). Several crabs are prized as food. They ...
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Original Article Positive regulation of placentation by L-amino acid transporter-1 (lat1) in pregnant mice
... with human carcinogenesis. Over expression of lat1 is characteristic of many primary human cancers and may be involved with tumor pro- gression by changing intracellular amino acid or signaling transduction ...
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Stereoselective synthesis of chiral β2,3-disubstituted-β-amino acid derivatives using Pd/In transmetallation cascade processes
... While α-amino acids are essential prerequisites for life, the β-amino isomers are far less common in living organisms. However, they are constituents of wide variety of natural products and various ...
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Synthesis and biological screening of picric acid & p amino phenol derivatives for anti microbial activity
... Synthesis of 2,4-diamino(N,N’-diacetyl-di-p-aminobenzenesulphonamide)-6-nitro phenol(d): Add 2 gm product of 2, 4-chloro acetamido-6- nitro phenol (M.wt-322) in para amino benzenesulphonamide (M.wt- 172) add 2.13 ...
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Enantiomeric separation in pharmaceutical analysis: A chromatographic approach
... of amino acid ...of amino acid enantiomers and their derivatives can be achieved using conventional achiral stationary phases such as reversed phase or ion exchange ...non amino ...
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Switching to fast growth: the insulin like growth factor (IGF) system in skeletal muscle of Atlantic salmon
... The insulin-like growth factor (IGF) system includes the growth hormones IGF-I, IGF-II, their corresponding receptors and the IGF binding proteins (IGFBPs). This system has been extensively studied in mammals (reviewed ...
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Synthesis, Characterization and Antibacterial Activity of Some Amino Acid Derivatives
... (2S)-2-N-[(benzoyl-pyridin-2-yl-amino)-(4-monosubstituted-phenyl)-methyl]-L-amino acid 6-10 (A,B) have been synthesized by reaction of amino acid with ...
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