Category: 526-83-0

Electric Literature of 526-83-0, New Advances in Chemical Research, May 2021.Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur, causing turnover rates to depend strongly on interfacial structure and composition. 526-83-0, Name is 2,3-Dihydroxysuccinic acid, SMILES is O=C(O)C(O)C(O)C(O)=O, belongs to benzisoxazole compound. In a article, author is Sakuma, Shogo, introduce new discover of the category.

We successfully synthesized a novel peroxisome proliferator-activated receptor (PPAR)delta selective agonist, namely, compound 20, with a characteristic benzisoxazole ring. Compound 20 exhibited potent human PPAR delta transactivation activity and high d selectivity. Further, it stimulated differentiation of primary oligodendrocyte precursor cells in vitro, indicating that it may be an effective drug in the treatment of demyelinating disorders such as multiple sclerosis. (C) 2010 Elsevier Ltd. All rights reserved.

Electric Literature of 526-83-0, Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. I hope my blog about 526-83-0 is helpful to your research.

Reference:
Benzisoxazole – Wikipedia,
,Benzisoxazole – an overview | ScienceDirect Topics

Synthetic Route of 526-83-0, New discoveries in chemical research and development in 2021. Chemo-enzymatic cascade processes are invaluable due to their ability to rapidly construct high-value products from available feedstock chemicals in a one-pot relay manner. 526-83-0, Name is 2,3-Dihydroxysuccinic acid, SMILES is O=C(O)C(O)C(O)C(O)=O, belongs to benzisoxazole compound. In a article, author is Hotta, K, introduce new discover of the category.

Monoclonal antibodies were generated against a 3-phenyl-1,2-benzisoxazole derivative and shown to catalyze the solvent-sensitive decarboxylation of 3-carboxy-1,2-benzisoxazoles. In addition to rare accelerations up to 2300-fold over background, the antibodies exhibit distinctive selectivities for substrates bearing 5- or 6-NO2 substituents, with preferential decarboxylation of the less reactive substrate in one case. These effects are the likely consequence of substrate destabilization, achieved by forcing the carboxylate group into a relatively apolar binding pocket and stabilization of the charge-delocalized transition state through dispersive interactions. Comparison with a more active antibody decarboxylase previously raised against 2-acetamido-naphthalene-1,5-disulfonate suggests, however, that a judicious mix of polar and apolar interactions may ultimately be more effective for achieving high decarboxylase activity.

Reference of 526-83-0, The reactant in an enzyme-catalyzed reaction is called a substrate. Enzyme inhibitors cause a decrease in the reaction rate of an enzyme-catalyzed reaction.I hope my blog about 526-83-0 is helpful to your research.

Reference:
Benzisoxazole – Wikipedia,
,Benzisoxazole – an overview | ScienceDirect Topics

New Advances in Chemical Research in 2021. Chemistry is a science major with cience and engineering. The main research directions are chemical synthesis, and research on the structure and performance of functional materials. 526-83-0, Name is 2,3-Dihydroxysuccinic acid, SMILES is O=C(O)C(O)C(O)C(O)=O, in an article , author is HE, H, once mentioned of 526-83-0, Recommanded Product: 2,3-Dihydroxysuccinic acid.

Risperidone is a benzisoxazole derivative with antipsychotic activity that is chemically unrelated to other currently available antipsychotic agents, Its neuropharmacological properties, characterized by potent central antagonism of both serotonin 5-HT2 and dopamine D-2 receptors, also differ from those of most other antipsychotic drugs, The pharmacokinetics of risperidone are well understood, having been studied in healthy subjects as well as in psychotic patients. The absolute oral bioavailability of risperidone is nearly 70%, and after oral administration, it is rapidly absorbed with the plasma level reaching a peak at about 1 h. 9-Hydroxyrisperidone, one of the metabolites of risperidone, is equally active with the parent compound and so the clinical activity of a dose of risperidone is due to the combined actions of both moieties, The plasma concentrations of risperidone and its active metabolite remain dose proportional even at doses exceeding the therapeutic range. In clinical trials with chronic schizophrenia patients, risperidone has an overall therapeutic activity comparable with that of haloperidol, but at doses that produce similar improvements in the positive symptoms of schizophrenia, risperidone has a greater effect on the negative symptoms and produces less extrapyramidal side effects than does haloperidol, However, additional controlled clinical studies are needed before the claims that risperidone is therapeutically superior to haloperidol cah be considered to be established firmly, Although risperidone is effective in acute schizophrenia and in non-treatment-resistant schizophrenics, studies adequately comparing risperidone with clozapine in treatment-resistant schizophrenic patients remain to be published. In addition, risperidone has been reported to be of value in patients with schizodepressive disorders, The clinical success of risperidone suggests that the development of compounds with selective affinity for 5-HT2 or other serotonin receptors may result in even further improvements in the pharmacotherapy of psychiatric disorders.

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Reference:
Benzisoxazole – Wikipedia,
,Benzisoxazole – an overview | ScienceDirect Topics

New discoveries in chemical research and development in 2021.As an important bridge between the micro and macro material world, chemistry is one of the main methods and means for humans to understand and transform the material world. 526-83-0, Name is 2,3-Dihydroxysuccinic acid, SMILES is O=C(O)C(O)C(O)C(O)=O, in an article , author is GARCIA, G, once mentioned of 526-83-0, HPLC of Formula: https://www.ambeed.com/products/526-83-0.html.

Risperidone, a benzisoxazole derivative, was recently approved by the FDA for the management of psychotic disorders. It joins clozapine as the second antipsychotic agent to become available that possesses both dopaminergic and serotoninergic blocking activities. Risperidone has been shown to improve the positive and negative symptoms of schizophrenia in clinical trials. The drug can be used as a first-line agent and trials are currently being conducted to establish its benefit in treatment-refractory patients. Risperidone is associated with a low incidence of extrapyramidal symptoms, has not been associated with tardive dyskinesia, and does not require hematological monitoring. The availability of risperidone represents progress not only in the pharmacotherapy of schizophrenia, but also in the understanding of the pathophysiology of this disorder.

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Reference:
Benzisoxazole – Wikipedia,
,Benzisoxazole – an overview | ScienceDirect Topics

Chemical Research Letters, May 2021. In an article, author is Rajendraprasad, Nagaraju, once mentioned the application of 526-83-0, Name is 2,3-Dihydroxysuccinic acid, molecular formula is C4H6O6, molecular weight is 150.09, MDL number is MFCD00064206, category is benzisoxazole. Now introduce a scientific discovery about this category, Computed Properties of https://www.ambeed.com/products/526-83-0.html.

Quetiapine fumarate (QTF) is an antipsychotic drug belonging to the benzisoxazole derivatives indicated for the treatment of schizophrenia. A sensitive and selective method based on dichloromethane-extractable ion-pair of QTF with calmagite (CGT), which exhibited an absorption maximum at 490 nm, is described. At this. wavelength, Beer’s law is obeyed over the concentration range of 3.0-30.0 mu g ml(1). The apparent molar absorptivity, limit of detection (L OD) and quantitation (LOQ) values are 1.32×10(4) I mol(1) cm(-1), 0.27 and 0.81 mu g ml(1), respectively. The reaction is extremely rapid at room temperature and the absorbance values remain unchanged up to 19 h. The precision results, expressed as intra-day and inter-day relative standard deviation values, are satisfactory (RSD <= 2.2%). The accuracy is satisfactory as well (RE <= 2.44%). The method was successfully applied to the determination of QTF in pharmaceuticals and spiked human urine with satisfactory results. No interference was observed from common pharmaceutical adjuvants in tablets. Statistical comparison of the results with the official method showed an excellent agreement and indicated no significant difference in precision. Interested yet? Read on for other articles about 526-83-0, you can contact me at any time and look forward to more communication. Computed Properties of https://www.ambeed.com/products/526-83-0.html.

Reference:
Benzisoxazole – Wikipedia,
,Benzisoxazole – an overview | ScienceDirect Topics

Research speed reading in 2021.The appropriate choice of redox mediator can avoid electrode passivation and overpotential, which strongly inhibit the efficient activation of substrates in electrolysis. , Recommanded Product: 526-83-0, Introducing a new discovery about 526-83-0, Name is 2,3-Dihydroxysuccinic acid, molecular formula is C4H6O6, belongs to benzisoxazole compound. In a document, author is Lifshitz, Assa.

Isomerization and decomposition of 1,2-benzisoxazole were studied behind reflected shock waves in a pressurized driver, single-pulse shock tube. It isomerizes to o-hydroxybenzonitrile, and no fragmentation is observed up to a temperature where the isomerization is almost complete (similar to 1040 K at 2 ms reaction time). The isomerization experiments in this investigation covered the temperature range 900-1040 K. The lack of fragmentation is in complete contrast to the thermal behavior of isoxazole, where no isomerization was observed and the main decomposition products over the same temperature range were carbon monoxide and acetonitrile. In a series of experiments covering the temperature range 1190-1350 K, a plethora of fragmentation products appear in the post shock samples of 1,2-benzisoxazole. The product distribution is exactly the same regardless of whether the starting material is 1,2-benzisoxazole or o-hydroxybenzonitrile, indicating that over this temperature range the 1,2-benzisoxazole has completely isomerized to o-hydroxybenzonitrile prior to fragmentation. Two potential energy surfaces that lead to the isomerization were evaluated by quantum chemical calculations. One surface with one intermediate and two transition states has a high barrier and does not contribute to the process. The second surface is more complex. It has three intermediates and four transition states, but it has a lower overall barrier and yields the isomerization product o-hydroxybenzonitrile at a much higher rate. The unimolecular isomerization rate constants k(infinity) at a number of temperatures in the range of 900-1040 K were calculated from the potential energy surface using transition-state theory and then expressed in an Arrhenius form. The value obtained is k(first) = 4.15 x 10(14) exp(-51.7 x 10(3)/RT) s(-1), where R is expressed in units of cal/(K mol). The calculated value is somewhat higher than the one obtained from the experimental results. When it is expressed in terms of energy difference it corresponds of ca. 2 kcal/mol.

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Reference:
Benzisoxazole – Wikipedia,
,Benzisoxazole – an overview | ScienceDirect Topics

Application of 526-83-0, New Advances in Chemical Research, May 2021.The appropriate choice of redox mediator can avoid electrode passivation and overpotential, which strongly inhibit the efficient activation of substrates in electrolysis. 526-83-0, Name is 2,3-Dihydroxysuccinic acid, SMILES is O=C(O)C(O)C(O)C(O)=O, belongs to benzisoxazole compound. In a article, author is Murai, Kenichi, introduce new discover of the category.

A facile preparation of 3-acyl-substituted isoxazolines, benzisoxazoles, and isoxazoles from the corresponding 3-carboxylate esters is described. The process, involving reaction of the ester derivative of 3-carboxylic acid substituted heterocycles with Grignard or alkynyl lithium reagents, leads to direct generation of the corresponding 3-acyl heterocycle. The presence of alpha-imino ester moieties in the heterocyclic substrates for the reactions is thought to be a key feature governing the nature of these transformations. The synthetic utility of the new methodology is demonstrated by its application in a two-step route for the preparation of novel linked bis-heterocycles. (C) 2012 Elsevier Ltd. All rights reserved.

Application of 526-83-0, Consequently, the presence of a catalyst will permit a system to reach equilibrium more quickly, but it has no effect on the position of the equilibrium as reflected in the value of its equilibrium constant.I hope my blog about 526-83-0 is helpful to your research.

Reference:
Benzisoxazole – Wikipedia,
,Benzisoxazole – an overview | ScienceDirect Topics

Chemistry, like all the natural sciences, begins with the direct observation of nature— in this case, of matter. 526-83-0, Name is 2,3-Dihydroxysuccinic acid, SMILES is O=C(O)C(O)C(O)C(O)=O, in an article , author is Kabanda, Mwadham M., once mentioned of 526-83-0, Computed Properties of https://www.ambeed.com/products/526-83-0.html.

Benzoxazole, 1,2-benzisoxazole and 2,1-benzisoxazole are biologically active molecules with potential applications in drug design. Their interaction with aqueous medium in biological systems may be simulated by considering their interaction with explicit water molecules. Such studies provide information on the structures, energies and type of interactions stabilizing the resulting geometric systems. The objective of the current study was to utilize theoretical approaches to investigate the structures, stabilization energy and binding energy of benzox-azole-water, 1,2-benzisoxazole-water and 2,1-benzisoxazole-water complexes. The calculations were performed utilizing the density functional theory (DFT)/M06-2X/6-311++G(d, p) method and the DFT/omega B97XD method with both the 6-311++G(d, p) and the aug-cc-pVDZ basis sets. The results suggest that the stability of the different clusters depends on interrelated factors including the rings formed by intermolecular hydrogen bonds and the proton affinity (PA) or acidity of the atoms forming the intermolecular hydrogen bonds with the water molecules. A comparison across methods indicates that the results follow similar trends with different methods.

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Reference:
Benzisoxazole – Wikipedia,
,Benzisoxazole – an overview | ScienceDirect Topics

New research progress on 526-83-0 in 2021. Catalysts allow a reaction to proceed via a pathway that has a lower activation energy than the uncatalyzed reaction. 526-83-0, Name is 2,3-Dihydroxysuccinic acid, SMILES is O=C(O)C(O)C(O)C(O)=O, in an article , author is COUTINHO, DLM, once mentioned of 526-83-0, Recommanded Product: 2,3-Dihydroxysuccinic acid.

4-(2-Hydroxybenzoyl)-1-phenylpyrazole (1) has been used in the synthesis of benzofuran (2), coumarin (5) and benzisoxazole (9).

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Reference:
Benzisoxazole – Wikipedia,
,Benzisoxazole – an overview | ScienceDirect Topics

Synthetic Route of 526-83-0, New discoveries in chemical research and development in 2021. Chemo-enzymatic cascade processes are invaluable due to their ability to rapidly construct high-value products from available feedstock chemicals in a one-pot relay manner. 526-83-0, Name is 2,3-Dihydroxysuccinic acid, SMILES is O=C(O)C(O)C(O)C(O)=O, belongs to benzisoxazole compound. In a article, author is Chaker, Aida, introduce new discover of the category.

A new series of 3-substituted-2,1-benzisoxazoles (anthranils) were prepared by different methods and characterized by spectroscopic methods and mass spectrometry. These 2,1-benzisoxazoles were tested in vitro for their antiplasmodial activity on a chloroquine-resistant strain of Plasmodium falciparum (P.f.) (FcB1), and for antimicrobial activity against representative bacterial and fungal strains, as well as for cytotoxicity on MCF7 human breast cancer cells. Given the log P-calc and selectivity index values (cytotoxicity/antiplasmodial activity ratio), the benzo[c] isoxazol-3- ylmethylene-phenyl-amine (11) (imino-benzisoxazole) was identified as the best hit against P.f. (FcB1), and the benzo[c] isoxazol-3-yl-phenyl-methanone (3) (3-acyl-2,1-benzisoxazole) against P.f. and the Geotrichum candidum fungal strain. (c) 2013 Production and hosting by Elsevier B.V. on behalf of King Saud University.

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Reference:
Benzisoxazole – Wikipedia,
,Benzisoxazole – an overview | ScienceDirect Topics