Category: 99-14-9

Research speed reading in 2021. In heterogeneous catalysis, catalysts provide a surface to which reactants bind in a process of adsorption. In homogeneous catalysis, catalysts are in the same phase as the reactants. 99-14-9, Name is Propane-1,2,3-tricarboxylic acid, formurla is C6H8O6. In a document, author is Hosseini, Seyyedamirhossein, introducing its new discovery. Application In Synthesis of Propane-1,2,3-tricarboxylic acid.

Cyclic voltammetry and controlled-potential (bulk) electrolysis have been used to explore the electrochemical reduction of o-nitrobenzaldehyde (o-NBA) and 8 other aldehydes and ketones at glassy carbon cathodes in dimethylformamide containing various tetraalkylammonium tetrafluoroborate salts along with a proton donor (4-chlorophenol). Cyclic voltammograms for reduction of o-NBA exhibit three cathodic peaks attributable in succession to (a) one-electron generation of the nitro radical-anion, (b) three-electron formation of the hydroxylamine, and (c) two-electron production of benzisoxazole (anthranil). These findings have been employed to develop efficient controlled-potential (bulk) electrosyntheses of the following compounds: benzisoxazole, methylbenzo[c]isoxazole, [1,3]dioxolo[4 ‘,5 ‘,4,5]benzo[1,2-c]isoxazole, naphtho[2,3-c]isoxazole, 6-chlorobenzo[c]isoxazole, 6-methoxybenzo[c]isoxazole, 3-methyl-benzo[c]isoxazole, 3-isopropylbenzo[c]isoxazole, and 3-phenylbenzo[c]isoxazole. In addition, we have examined the use of a variety of proton donors to optimize the production of the desired product, and we have been able to recover the proton donor at the conclusion of the electrosynthesis. In each case, the synthesized product was separated by means of normal phase chromatography and identified with the aid of NMR spectros-copy, gas chromatography (GC), and gas chromatography-mass spectrometry (GC-MS). Isolated yields of the desired products range from 63 to 92 %. Moreover, our electrosyntheses are catalyst-free, environmentally green, and rapid (similar to 30 min).

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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. 99-14-9, Name is Propane-1,2,3-tricarboxylic acid, SMILES is O=C(O)CC(CC(O)=O)C(O)=O, in an article , author is Frasinyuk, M. S., once mentioned of 99-14-9, Recommanded Product: 99-14-9.

Oximes of 2,4-dihydroxybenzophenones, 1-(2,4-dihydroxyphenyl)-2-phenylethanones, and 1-(2,4-di-hydroxyphenyl)-2-phenoxyethanones were dehydrated with 1,1′-carbonyldiimidazole, yielding 3-substi-tuted 6-hydroxy-1,2-benzisoxazoles, aminomethylation reactions of which were studied with various reagents.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law. In my other articles, you can also check out more blogs about 99-14-9. Recommanded Product: 99-14-9.

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. 99-14-9, Name is Propane-1,2,3-tricarboxylic acid, SMILES is O=C(O)CC(CC(O)=O)C(O)=O, in an article , author is Seino, M, once mentioned of 99-14-9, COA of Formula: https://www.ambeed.com/products/99-14-9.html.

Zonisamide is a benzisoxazole-based compound first synthesized in the early 1970s by the research laboratories of Dainippon Pharmaceutical Company in Osaka, Japan. Identified as an anticonvulsant during exploratory research, zonisamide has since been characterized as having broad-spectrum antiepitepsy and neuroprotective effects. Early clinical studies in Japan demonstrated that zonisamide has a long elimination half-life and is well tolerated; Phase II and III clinical trials established the drug’s efficacy and safety for the treatment of partial and generalized seizures. In 1989, zonisamide was approved and marketed in Japan under the trade name of Excegran(R). Data from postmarketing surveillance studies and clinical observations over 10 years of use have continued to support zonisamide’s efficacy and safety, identified its usefulness as monotherapy, and characterized its effectiveness for various seizure types and epilepsy syndromes. (C) 2004 Published by Elsevier Ltd on behalf of BEA Trading Ltd.

The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 99-14-9 is helpful to your research. COA of Formula: https://www.ambeed.com/products/99-14-9.html.

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

New research progress on 99-14-9 in 2021. Catalysts allow a reaction to proceed via a pathway that has a lower activation energy than the uncatalyzed reaction. 99-14-9, Name is Propane-1,2,3-tricarboxylic acid, SMILES is O=C(O)CC(CC(O)=O)C(O)=O, in an article , author is Giorgi, G, once mentioned of 99-14-9, SDS of cas: 99-14-9.

Different mass spectrometric methods, stable isotope labeling, and theoretical calculations have allowed us to structurally characterize and differentiate the isomeric ion structures produced by the two heteroaromatic isomers 3-methyl-1,2-benzisoxazole and 2-methyl-1,3-benzoxazole. The low-energy collision induced dissociation spectra of their molecular ions show large differences. Although both of them produce abundant loss of CO, that involves a carbon atom of the benzene ring, the 2-methyl-1,3-benzoxazole also shows abundant [M-CHO](+) ions at m/z 104, the intensity of which is quite low in the case of its isomer 3-methyl-1,2-benziscxazole. In addition, MS/MS measurements of fragment ions show characteristic differences that allow distinction among the isomers depending on the original arrangement of the atoms in the five-membered ring. Theoretical ab initio calculations have allowed to determine chemico-physical properties of different ions and to propose a rationalization of the decomposition pathways followed by the two benz(is)oxazole isomers. (C) 2004 American Society for Mass Spectrometry.

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

New research progress on 99-14-9 in 2021. Catalysts allow a reaction to proceed via a pathway that has a lower activation energy than the uncatalyzed reaction. 99-14-9, Name is Propane-1,2,3-tricarboxylic acid, SMILES is O=C(O)CC(CC(O)=O)C(O)=O, in an article , author is Giorgi, G, once mentioned of 99-14-9, Computed Properties of https://www.ambeed.com/products/99-14-9.html.

Different mass spectrometric methods, stable isotope labeling, and theoretical calculations have allowed us to structurally characterize and differentiate the isomeric ion structures produced by the two heteroaromatic isomers 3-methyl-1,2-benzisoxazole and 2-methyl-1,3-benzoxazole. The low-energy collision induced dissociation spectra of their molecular ions show large differences. Although both of them produce abundant loss of CO, that involves a carbon atom of the benzene ring, the 2-methyl-1,3-benzoxazole also shows abundant [M-CHO](+) ions at m/z 104, the intensity of which is quite low in the case of its isomer 3-methyl-1,2-benziscxazole. In addition, MS/MS measurements of fragment ions show characteristic differences that allow distinction among the isomers depending on the original arrangement of the atoms in the five-membered ring. Theoretical ab initio calculations have allowed to determine chemico-physical properties of different ions and to propose a rationalization of the decomposition pathways followed by the two benz(is)oxazole isomers. (C) 2004 American Society for Mass Spectrometry.

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

Chemical Research Letters, May 2021. In an article, author is Reddy, C. B. Rajashekar, once mentioned the application of 99-14-9, Name is Propane-1,2,3-tricarboxylic acid, molecular formula is C6H8O6, molecular weight is 176.1241, MDL number is MFCD00002723, category is benzisoxazole. Now introduce a scientific discovery about this category, Safety of Propane-1,2,3-tricarboxylic acid.

Novel N-chloro a-Lactam and benzisoxazole derivatives were successfully synthesized with excellent yields (92-96%) under simple and mild reaction conditions. The beta-lactams as a class acquired importance since the discovery of penicillin which contains beta-lactam unit as an essential structural feature of its molecule, this interest continued unabated because of the therapeutic importance of beta-lactam antibiotics. In silico studies of the compounds with cancer drug target enzymes showed the inhibition of HDAC (Histone Deacetylase) and NF-kappa B (nuclear factor kappa-light-chain-enhancer of activated B cells) significantly. The compounds were then investigated for the inhibitory potential against the same enzymes in vitro. NF-kappa B inhibition was investigated by trans activation assay using HEK293/NF-kappa B-luc cells. Overall, the synthesized compounds induce the cancer cell toxicity by restraining the NF-kappa B transcription factor mediated by HDAC inhibition and thus the compounds act as dual inhibitors. (C) 2016 Elsevier Ireland Ltd. All rights reserved.

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

New Advances in Chemical Research in 2021. Enzyme inhibitors cause a decrease in the reaction rate of an enzyme-catalyzed reaction by binding to a specific portion of an enzyme and thus slowing or preventing a reaction from occurring. 99-14-9, Name is Propane-1,2,3-tricarboxylic acid, SMILES is O=C(O)CC(CC(O)=O)C(O)=O, in an article , author is Orlov, VY, once mentioned of 99-14-9, Product Details of 99-14-9.

General relations holding in nucleophilic substitution of hydrogen in para-substituted nitroarenes by phenylacetonitrile carbanion were analyzed in terms of the Klopman reactivity indices. Requirements to the substrate structure were determined, which restrict the scope of application of this method to synthesis of 2,1-benzisoxazole derivatives.

Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data. If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 99-14-9, in my other articles. Product Details of 99-14-9.

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

Electric Literature of 99-14-9, 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. 99-14-9, Name is Propane-1,2,3-tricarboxylic acid, SMILES is O=C(O)CC(CC(O)=O)C(O)=O, belongs to benzisoxazole compound. In a article, author is Senadim, Songul, introduce new discover of the category.

Objectives: Zonisamide (ZnS) is a new generation antiepileptic agent used in the treatment of epilepsy patients with partial and generalized seizures. In this study, we aim to investigate the safety and efficacy of ZnS in the treatment of patients with refractory epilepsy who were being followed. Methods: Forty-five refractory epilepsy patients who received ZnS treatment were included in this study. Patients who received ZnS treatment for less than six months were excluded. Age, sex, types of seizures, examination findings, magnetic resonance imaging and electroencephalography findings, concurrent use of non-ZnS antiepileptic drugs, decrease in the seizure frequency and side effects of the drug were recorded. Results: Thirty-nine patients, whose mean age was 34.3 +/- 9.3 years, were evaluated. Complex partial seizures (CPS) and generalized tonic-clonic seizure (GTCS) were observed in 74.4% of the patients, whereas 10.3% had GTCS alone, 7.7% had CPS alone, 5.2% had GTCS and myoclonia and 2.6% of them had absence and myoclonia. In the follow-up, treatment was observed to be discontinued in 19 of the 39 patients due to drug side effects, or where there was an increase, or no change, in seizure frequency. Twenty patients responded to treatment. Seizure frequency was decreased by 25% in one patient; 50% in five patients, and 75% in seven patients. Three patients were seizure-free. Although there was no change in seizure frequency, seizure duration was shortened in four patients. Treatment-responsive patients were using ZnS at doses that ranged from 100 to 400 mg/day for 7 to 80 months. Conclusion: ZnS is a safe, tolerable and effective option for the additional treatment of refractory epilepsy patients at our center.

Electric Literature of 99-14-9, Because enzymes can increase reaction rates by enormous factors and tend to be very specific, typically producing only a single product in quantitative yield, they are the focus of active research.you can also check out more blogs about 99-14-9.

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

Related Products of 99-14-9, New Advances in Chemical Research, May 2021. Redox catalysis has been broadly utilized in electrochemical synthesis due to its kinetic advantages over direct electrolysis. 99-14-9, Name is Propane-1,2,3-tricarboxylic acid, SMILES is O=C(O)CC(CC(O)=O)C(O)=O, belongs to benzisoxazole compound. In a article, author is MANNENS, G, introduce new discover of the category.

The absorption, metabolism, and excretion of the novel antipsychotic risperidone was studied in three healthy male subjects. One week after a single oral dose of 1 mg [C-14]risperidone, 70% of the administered radioactivity was recovered in the urine and 14% in the feces. Unchanged rispeddone was mainly excreted in the urine and accounted for 30, 11, and 4% of the administered dose in the poor, intermediate, and extensive metabolizer of debrisoquine, respectively. Alicyclic hydroxylation at the 9-position of the tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one moiety was the main metabolic pathway. The active metabolite 9-hydroxy-risperidone accounted for 8, 22, and 32% of the administered dose in the urine of the poor, intermediate, and extensive metabolizer, respectively. Oxidative N-dealkylation st the piperidine nitrogen, whether or not in combination with the 9-hydroxylation, accounted for 10-13% of the dose. In methanolic extracts of feces, risperidone, and benzisoxazole-opened risperidone and hydroxylated metabolites were detected. 9-Hydroxy-risperidone was by far the main plasma metabolite. The sum of risperidone and 9-hydroxy-risperidone accounted for the largest part of the plasma radioactivity in the three subjects. Although the debrisoquine-type genetic polymorphism plays a distinct role in the metabolism of risperidone, the pharmacokinetics of the active fraction (is. risperidone plus 9-hydroxy-risperidone) remained similar among the three subjects.

Related Products of 99-14-9, Each elementary reaction can be described in terms of its molecularity, the number of molecules that collide in that step. The slowest step in a reaction mechanism is the rate-determining step.you can also check out more blogs about 99-14-9.

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

Research speed reading in 2021.Redox catalysis has been broadly utilized in electrochemical synthesis due to its kinetic advantages over direct electrolysis., Category: Benzisoxazole, Introducing a new discovery about 99-14-9, Name is Propane-1,2,3-tricarboxylic acid, molecular formula is C6H8O6, belongs to benzisoxazole compound. In a document, author is NAKASA, H.

Zonisamide (1,2-benzisoxazole-3-methanesulfonamide) was metabolized to its reductive product, 2-sulfamoylacetylphenol, in rat liver microsomes under anaerobic conditions. The rate of NADPH-dependent reaction was much more rapid than that of NADH-dependent reaction. Furthermore, synergistic effect of NADH on NADPH-dependent reaction was not observed. The optimal formation of 2-sulfamoylacetylphenol from zonisamide in the presence of NADPH was observed around pH 7.0. Cimetidine showed an inhibitory effect on the formation of 2-sulfamoylacetylphenol in a dose-dependent manner. The reductive metabolism of zonisamide was almost completely inhibited by carbon monoxide, and was increased by pretreatment of rats with phenobarbital and pregnenolone 16-alpha-carbonitrile but not by pretreatment with ethanol, 3-methylcholanthrene and imidazole. These results suggest that phenobarbital- and pregnenolone 16-alpha-carbonitrile-inducible form(s) of cytochrome P-450 is responsible for the reductive metabolism of zonisamide to 2-sulfamoylacetylphenol in rat liver microsomes.

Interested yet? Keep reading other articles of 99-14-9, you can contact me at any time and look forward to more communication. Category: Benzisoxazole.

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