Day: April 19, 2021

Reference 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. 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.

New 3-substituted-2,1-benzisoxazoles: Synthesis and antimicrobial activities

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

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 2836-32-0, Name is Sodium glycolate, SMILES is OCC([O-])=O.[Na+], in an article , author is Li, Jing, once mentioned of 2836-32-0, Product Details of 2836-32-0.

Determination of zonisamide by a coated monolithic column

In this paper, a monolithic ODS-silica gel column dynamically coated with cetylpyridinium chloride (CPC) was used to demonstrate the high-speed and efficient separation of zonisamide (1,2-benzisoxazole-3-methanesulfonamide, ZNS). its raw material (1,2-benzisoxazole-3-methanecarbonic acid) and intermediate (sodium 1,2-benzisoxazole-3-methanesulfonate) in drugs. Using a 40 mmol/L sodium perchlorate solution (pH 7.0) containing 10% acetonitrile as eluent, the analytes were eluted with a sharp and symmetrical peak within 3.0 min, detected with UV detection at 210 nm. The column demonstrates excellent stability over time, and exhibits unusual selectivity for pharmaceutical analysis. Thus, by this developed method, zonisamide in drug samples can be determined rapidly with high recoveries and good selectivity. (c) 2006 Elsevier B.V. All rights reserved.

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

Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media, causing turnover rates to depend strongly on interfacial structure and composition, 3721-95-7, Name is Cyclobutanecarboxylic acid, SMILES is O=C(C1CCC1)O, in an article , author is Bhaskarachar, Ravi Kiran, once mentioned of 3721-95-7, Formula: C5H8O2.

Design, synthesis and anticancer activity of functionalized spiro-quinolines with barbituric and thiobarbituric acids

A new series of spiro-quinoline compounds have been accomplished by the reaction of barbituric acid or thiobarbituric acid with derivatives of benzisoxazole-5-carbaldehyde or 2-substituted benzaldehyde. These compounds were evaluated for their in vitro cytotoxicity on two mammalian cancer cell lines MCF-7 and KB. The compounds exhibit cytotoxicity against these cell lines in micromolar range. Among the series of compounds, 11(a-j) particularly 11b and 11e showed relatively good activity against both the tested cell lines. Compound 11b was found to exhibit the highest cytotoxic activity with IC50 value 90.2 mu M for MCF-7 and 49.8 mu M for KB cell line. Flow cytometric analysis study confirmed that these molecules induced cytotoxicity via apoptosis.

Interested yet? Read on for other articles about 3721-95-7, you can contact me at any time and look forward to more communication. Formula: C5H8O2.

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

In an article, author is Richardson, C, once mentioned the application of 99-06-9, SDS of cas: 99-06-9, Name is 3-Hydroxybenzoic acid, molecular formula is C7H6O3, molecular weight is 138.12, MDL number is MFCD00002506, category is benzisoxazole. Now introduce a scientific discovery about this category.

Synthesis and complexes of the first chelating ligand containing a 1,2-benzisoxazole subunit

The new ligand 3-(2-pyridyl)-1,2-benzisoxazole (3) was prepared in five steps from readily available starting materials. It represents the first example of a chelating ligand containing a 1,2-benzisoxazole group and readily forms complexes with palladium(II), copper(II) and ruthenium(II). An X-ray crystal structure of the copper complex, trans-Cu(3)(2)(NO3)(2), is the first reported structure of a complex containing a 1,2-benzisoxazole. (C) 2000 Elsevier Science S.A. All rights reserved.

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

In an article, author is HE, H, once mentioned the application of 526-83-0, HPLC of Formula: C4H6O6, 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.

A PHARMACOLOGICAL, PHARMACOKINETIC AND CLINICAL OVERVIEW OF RISPERIDONE, A NEW ANTIPSYCHOTIC THAT BLOCKS SEROTONIN 5-HT2 AND DOPAMINE D-2 RECEPTORS

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.

If you are interested in 526-83-0, you can contact me at any time and look forward to more communication. HPLC of Formula: C4H6O6.

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

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 427-49-6, Name is alpha-Cyclopentylmandelic Acid, SMILES is O=C(O)C(O)(C1CCCC1)C2=CC=CC=C2, in an article , author is Whitcombe, MJ, once mentioned of 427-49-6, HPLC of Formula: C13H16O3.

Imprinted polymers: Versatile new tools in synthesis

The use of molecularly imprinted polymers in synthetic organic chemistry is reviewed. These materials are prepared in the presence of a template for which they carry a functional and stereochemical memory and can be likened to artificial antibodies or enzymes. Their unique properties have been exploited by the use of imprinted polymers as stereo- and regio-selective solid supports in condensation reactions and hydride reduction, as protecting groups in the acylation of polyols and as catalysts to enhance the rates of reactions as diverse a Diels-Alder reaction, an Aldol condensation, beta-elimination, the benzisoxazole isomerization, transesterification and ester hydrolyses.

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

Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 600-18-0, Name is 2-Oxobutanoic acid, molecular formula is C4H6O3. In an article, author is Catalan, J,once mentioned of 600-18-0, Application In Synthesis of 2-Oxobutanoic acid.

Effects of medium on decarboxylation kinetics: 3-Carboxybenzisoxazoles and their potential use as environmental probes in biochemistry

The decarboxylation rate of the tetramethylguanidinium salt of 3-carboxy-6-nitrobenzisoxazole in 24 pure solvents and 36 dimethyl sulfoxide binary mixtures with diglyme, acetonitrile, benzene, dichloromethane, chloroform, and methanol was analyzed in the light of the SPP, SA, and SB pure solvent scales. The results allow one to rationalize the high sensitivity of this kinetics to the reaction medium and to assess the potential use of this compound as a probe in biochemical environments. The natural environment for comparison of this kinetics was found to be the gas phase rather than the aqueous medium. In the latter, the process is much faster owing to such high polarity, which, however, is strongly diminished by the high acidity of the medium. Based on our calculations, the rate constant for the decarboxylation kinetics in the gas phase; must be in the region of 2 x 10(-10) s(-1) (i.e., 3 orders of magnitude smaller than in water).

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

Reference of 719-64-2, 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. 719-64-2, Name is 5-Chloro-3-phenylbenzo[c]isoxazole, SMILES is ClC1=CC2=C(C3=CC=CC=C3)ON=C2C=C1, belongs to benzisoxazole compound. In a article, author is Banu, Afshan, introduce new discover of the category.

3-{[6-(4-Chlorophenyl)imidazo[2,1-b][1,3,4]thiadiazol-2-yl]methyl}-1,2-benzoxazole

In the title compound, C18H11ClN4OS, the benzisoxazole and imidazothiadiazole rings are inclined at an angle of 23.81 (7)degrees with respect to each other. The imidazothiadiazole and chlorophenyl rings make a dihedral angle of 27.34 (3)degrees. In the crystal, intermolecular C-H center dot center dot center dot N interactions generate a chain along the c axis and C-H center dot center dot center dot O interactions form centrosymmetric dimers resulting in an R-2(2)(26) graph-set motif. Moreover, the C-H center dot center dot center dot N and S center dot center dot center dot N [3.206 (4) angstrom] interactions links the molecules into R(7) ring motifs. The packing is further stabilized by pi-pi stacking interactions between the thiadiazole rings with a shortest centroid-centroid distance of 3.497 (3) angstrom. In addition, C-H center dot center dot center dot pi interactions are observed in the crystal structure

Reference of 719-64-2, One of the oldest and most widely used commercial enzyme inhibitors is aspirin, which selectively inhibits one of the enzymes involved in the synthesis of molecules that trigger inflammation. you can also check out more blogs about 719-64-2.

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

One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, such as the rate of change in the concentration of reactants or products with time. 6108-17-4, Name is Lithium acetate dihydrate, formurla is C2H7LiO4. In a document, author is Anjum, S, introducing its new discovery. Recommanded Product: Lithium acetate dihydrate.

Synthesis of an antibacterial and antifungal cinnoline derivative by rearrangement of a beta-carboline derivative

A heterocyclic system (6) containing a beta-carboline moiety is described. o-Nitrophenylpyruvic acid and tryptamine hydrochloride were condensed to give 1-(2′-nitrobenzyl)-1,2,3,4-tetrahydro-beta-carboline (3). 3, on dehydrogenation, gave 1-(2′-nitrobenzyl)-beta-carboline (4) which was treated with methanolic KOH to furnish 1-(3′,2′,1′-benzisoxazole)-beta-carboline (5) which on thermolysis or photolysis afforded the indolocinnoline derivative (6).

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

Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 123-76-2, Name is 4-Oxopentanoic acid, molecular formula is C5H8O3. In an article, author is Mares, Pavel,once mentioned of 123-76-2, Computed Properties of C5H8O3.

Zonisamide suppresses the tonic phase but not the clonic phase of generalized seizures in developing rats

Zonisamide is increasingly used in pediatric neurology but there are no experimental data for immature animals. Zonisamide (12.5-100 mg/kg i.p.) was tested against pentetrazol-induced seizures in 7-, 12-, 18-, 25- and 90-day-old rats. Minimal clonic seizures were not suppressed by zonisamide. Selective suppression of tonic phase of generalized tonic-clonic seizures was demonstrated in all age groups. This effect indicates possible action of zonisamide against generalized tonic-clonic seizures during brain maturation. (C) 2010 Published by Elsevier B.V.

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