Category: Benzisoxazole

In an article, author is Pokhodylo, Nazariy T., once mentioned the application of 1191-25-9, Name is 6-Hydroxyhexanoic acid, molecular formula is C6H12O3, molecular weight is 132.1577, MDL number is MFCD00046560, category is Benzisoxazole. Now introduce a scientific discovery about this category, Product Details of 1191-25-9.

Synthesis of 2,1-Benzisoxazoles by Nucleophilic Substitution of Hydrogen in Nitroarenes Activated by the Azole Ring

Reaction of 1-nitro-4-(1,2,3-triazolyl/tetrazolyl)benzenes with arylacetonitriles in an alcoholic medium in the presence of excess alkali gives novel 2,1-benzisoxazoles. These findings indicate a high reactivity of nitroarenes activated by the azole ring due to their electron-deficient character. Moreover, it was found that annulation of the isoxazole ring occurred regioselectively in disubstituted nitroarenes. In the case of 1-(4-nitrophenyl)-1H-tetrazole, the tetrazole ring cleaved faster than the sigma(H)-adduct was formed.

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

In an article, author is BRANCA, C, once mentioned the application of 79-14-1, Computed Properties of C2H4O3, Name is 2-Hydroxyacetic acid, molecular formula is C2H4O3, molecular weight is 76.0514, MDL number is MFCD00004312, category is Benzisoxazole. Now introduce a scientific discovery about this category.

AUXIN STRUCTURE AND ACTIVITY ON TOMATO MORPHOGENESIS INVITRO AND PEA STEM ELONGATION

In order to understand better the relationship between auxin structure and activity on morphogenesis and cell elongation, six different auxins were tested on the regeneration of tomato (Lycopersicon esculentum Miller var. Alice) from cotyledons and on pea (Pisum sativum L. var. Alaska) stem elongation. The auxins were: indole-3-acetic acid (IAA), indole-3-butyric acid (IBA), 1, 2-benzisoxazole-3-acetic acid (BOA), 1,2-benzisothiazole-3-acetic acid (BIA), 1-naphthalenacetic acid (NAA), 2,4-dichlorophenoxyacetic acid (2,4-D). All these compounds obey the minimum requirement rules for auxin activity and all were effective on cell elongation. At the dose of 10-mu-M and in the absence of cytokinin, they all, except 2,4-D, induced roots, while in the presence of cytokinin they induced shoots, roots, hairy root-like filaments (HRLF) or callus depending on their concentration. The morphogenetic pattern did not change by varying cytokinin concentration. We conclude that auxin structure plays a minor role in morphogenesis or cell elongation, because it is only responsible for variations in the level of auxin activity.

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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. 90-27-7, Name is 2-Phenylbutanoic acid, formurla is C10H12O2. In a document, author is NAKASA, H, introducing its new discovery. Formula: C10H12O2.

CHARACTERIZATION OF HUMAN LIVER MICROSOMAL CYTOCHROME-P450 INVOLVED IN THE REDUCTIVE METABOLISM OF ZONISAMIDE

Zonisamide (1,2-benzisoxazole-3-methanesulfonamide) was metabolized to 2-sulfamoylacetylphenol (SMAP) in human liver microsomes under anaerobic conditions. The formation of SMAP was remarkably inhibited by cimetidine, n-octylamine, ketoconazole, and carbon monoxide, indicating that a cytochrome P450 is involved in the metabolism of zonisamide to SMAP in human liver microsomes. The SMAP-producing activity did not correlate with the spectrally determined amount of cytochrome P450. In contrast, the SMAP-producing activity from zonisamide correlated closely with the activity of testosterone 6beta-hydroxylase (r2 = 0.96) and correlated slightly but significantly with the activity of imipramine 2-hydroxylase (r2 = 0.28), but not with those of aniline hydroxylase (r2= 0.09) or benzphetamine N-demethylase (r2= 0.20). In addition, immunoquantitation of cytochrome P450 enzymes in 21 human liver microsomal samples revealed that SMAP formation correlated closely with the amount of P450 3A enzyme and correlated moderately well with that of P450 2D6 but not with that of P450 2C enzyme in human liver microsomes. P450 3A4 exhibited SMAP-producing activity in a reconstituted monooxygenase system. The metabolism of zonisamide to SMAP was almost completely inhibited by anti-P450 3A4 antibody but not by anti-P450 2C9 or anti-P450 2D6 antibodies, suggesting that the amount of P450 3A enzyme may be a major factor influencing the level of metabolism of zonisamide to SMAP in human liver microsomes.

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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. 75-98-9, Name is Pivalic acid, molecular formula is C5H10O2. In an article, author is Iranpoor, Nasser,once mentioned of 75-98-9, Recommanded Product: 75-98-9.

A novel method for the highly efficient synthesis of 1,2-benzisoxazoles under neutral conditions using the Ph3P/DDQ system

The use of Ph3P/DDQ offers a novel, neutral and highly efficient method for the efficient conversion of 2-hydroxyaryl aldoximes and ketoximes to 1,2-benzisoxazoles in excellent yields at room temperature. (c) 2006 Published by Elsevier Ltd.

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

A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 98-89-5, Name is Cyclohexanecarboxylic acid, molecular formula is C7H12O2. In an article, author is Yagi, K,once mentioned of 98-89-5, Quality Control of Cyclohexanecarboxylic acid.

Overview of Japanese experience-controlled and uncontrolled trials

Zonisamide is a new type of benzisoxazole derivative, first marketed in Japan in 1989. This study analyzed: (1) the drug’s efficacy by seizure and epilepsy type in a total of 1008 patients treated during the development of zonisamide in Japan; (2) the effectiveness of zonisamide for 726 newly-diagnosed patients treated with zonisamide postmarketing; and (3) 50 patients with generalized epilepsies and epileptic syndromes (idiopathic generalized epilepsies, symptomatic generalized epilepsies, Lennox-Gastaut syndrome, Doose syndrome, and West syndrome), and 19 patients with undetermined epilepsies and specific syndromes (refractory grand mat in childhood, severe myoclonic epilepsy in infancy, other undetermined epilepsy, familial. essential myoclonic epilepsy, and mitochondrial encephalomyopathy with ragged-red fibers). Analysis of study results showed that among all patients treated, zonisamide was highly effective for the treatment of idiopathic generalized epilepsy, temporal lobe epilepsy, and other partial epilepsies. The compound was also effective for other symptomatic generalized epilepsies. In 50 patients with generalized epilepsies, and 19 with undetermined epilepsies and specific syndromes, seizure frequency was reduced by >50% with monotherapy or two-drug therapy with zonisamide. Zonisamide was effective not only for partial epilepsies and generalized epilepsies but also for undetermined epilepsies and specific syndromes such as myoclonus epilepsy. (C) 2004 BEA Trading Ltd. Published by Elsevier Ltd. All. rights reserved.

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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, 57-11-4, Name is Stearic acid, SMILES is CCCCCCCCCCCCCCCCCC(O)=O, in an article , author is Keles, Ergin, once mentioned of 57-11-4, Product Details of 57-11-4.

A new mechanism for selective recognition of cyanide in organic and aqueous solution

A simple colorimetric and fluorimetric chemosensor 3,5-dinitro-(N-phenyl)benzamide (DNBA), was synthesized for selective determination of cyanide anion in organic and aqueous solutions via novel chemodosimeter approach. The chemosensorDNBAshowed a chromogenic and fluorogenic selective response to CN(-)against competing anions such as F-, AcO-, and H(2)PO(4)(-)in organic (DMSO and ACN) and in aqueous solutions (in DMSO/H2O: 8:2, v/v). The intensive colorimetric and fluorimetric color changes were observed in ambient light and UV-light (lambda(ex). 365 nm) after cyanide interacted withDNBA. A method that can be used in the synthesis of new biologically active benzisoxazole compound was described by the reaction ofDNBAwith TBACN and KCN in DMSO or DMSO/H2O, respectively. All interaction mechanisms betweenDNBAand cyanide and fluoride anions were demonstrated by experimental studies using various spectroscopic methods such as UV/Vis, fluorescence,H-1/C-13 NMR, and mass spectrometry as well as X-ray diffraction method. In addition, the experimental results were also explained with theoretical data. The spectroscopic results showed that cyanide interacts with three different mechanisms; deprotonation, nucleophilic aromatic substitution, and formation of benzisoxazole ring.

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

Electric Literature of 135236-72-5, Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. 135236-72-5, Name is Calcium 3-hydroxy-3-methylbutanoate, SMILES is CC(C)(O)CC([O-])=O.CC(C)(O)CC([O-])=O.[Ca+2], belongs to Benzisoxazole compound. In a article, author is Akbar, Sikkandarkani, introduce new discover of the category.

A Tandem Strategy for the Synthesis of 1H-Benzo[g]indazoles and Naphtho[2,1-d]isoxazoles from o-Alkynylarene Chalcones

o-Alkynylarene chalcones when treated with hydrazines and hydroxylamine in the presence of iodine gave 1H-benzo[g]indazoles and naphtho[2,1-d]isoxazoles, respectively. The transformations involve tandem oxidative cyclocondensation/electrophilic hydroarylation. The methodology was applied to quinoline-based chalcones, which also afforded the corresponding quinoline-fused benzindazole and benzisoxazole.

Electric Literature of 135236-72-5, 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 135236-72-5 is helpful to your research.

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

In an article, author is Cvetovich, RJ, once mentioned the application of 90-27-7, Safety of 2-Phenylbutanoic acid, Name is 2-Phenylbutanoic acid, molecular formula is C10H12O2, molecular weight is 164.2011, MDL number is MFCD00002667, category is Benzisoxazole. Now introduce a scientific discovery about this category.

An efficient synthesis of a dual PPAR alpha/gamma agonist and the formation of a sterically congested alpha-aryloxyisobutyric acid via a Bargellini reaction

A practical synthesis of benzisoxazole 1 and its conversion to alpha-aryloxyisobutyric acid 2 using 1,1,1-trichloro-2-methyl-2-propanol (chloretone) was developed. Benzisoxazole I was formed in high yields by the action of either methanesulfonyl chloride/base upon intermediate oxime 8 or with thionyl chloride/base, which initially forms cyclic sulfite 10. A highly reactive, short-lived intermediate derived from chloretone was detected by ReacIR and its half-life determined to be similar to 5 min. Reaction conditions for the Bargellini reaction were developed that resulted in a 95% yield of 2 from the reaction of highly hindered phenol 1 with chloretone hemihydrate and powdered NaOH in acetone. Thus highly hindered alpha-aryloxyisobutyric acids can be made in a single step in high yield.

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

Reference of 18996-35-5, Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. 18996-35-5, Name is Sodium 3,4-dicarboxy-3-hydroxybutanoate, SMILES is OC(C(O)=O)(CC([O-])=O)CC(O)=O.[Na+], belongs to Benzisoxazole compound. In a article, author is Guo, Jian, introduce new discover of the category.

Absorption, distribution, metabolism and elimination of 14C-ETX0914, a novel inhibitor of bacterial type-II topoisomerases in rodents

1. ETX0914 is a novel bacterial topoisomerase inhibitor that has a novel mode-of-inhibition and is in clinical development for the treatment of infections caused by Neisseria gonorrhoeae. 2. The in vitro biotransformation studies of ETX0914 using mouse, rat, dog and human hepatocytes showed moderate intrinsic clearance in mouse and rat and low intrinsic clearance in dog and human. 3. Following intravenous administration of [C-14]-ETX0914 in rats, the mean recovery of administered dose in urine, bile and feces was approximately 15%, 55% and 24%, respectively. Unchanged ETX0914 recovered in urine and bile was less than 5% of the dose, indicating that ETX0914 underwent extensive metabolism in rats. Metabolites M1, M2, M4, M6 and M12 detected in both rat and mouse urine samples were not detected in mouse urine when predosed with 1-aminobenzotriazole, indicating that these metabolites were cytochrome P450 mediated products. The major fecal metabolites observed in rats were not formed when ETX0914 was incubated with fresh feces from germ free rats under sterile condition or in incubations with rat intestinal microsome and cytosol, suggesting that most likely ETX0914 was directly excreted into gut lumen where metabolites were formed as intestinal microflora-mediated products. The major sites of metabolism by CYP enzymes were in the morpholine and oxazolidinone rings while it was benzisoxazole reduction with the gut microflora.

Reference of 18996-35-5, 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 18996-35-5 is helpful to your research.

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

Application of 503-66-2, The transformation of simple hydrocarbons into more complex and valuable products via catalytic C¨CH bond functionalisation has revolutionised modern synthetic chemistry. 503-66-2, Name is 3-Hydroxypropionic Acid (contains varying amounts of 3,3-Oxydipropionic Acid), SMILES is O=C(O)CCO, belongs to Benzisoxazole compound. In a article, author is Aitipamula, Srinivasulu, introduce new discover of the category.

Cocrystals of zonisamide: physicochemical characterization and sustained release solid forms

We report four cocrystals of the antiepileptic drug, zonisamide (ZNS), which encounters half-life fluctuation when administered adjunctly with other antiepileptic drugs. Single crystals for two of the novel cocrystals of ZNS were successfully prepared from solvent evaporation experiments and their crystal structures were determined. Pharmaceutically acceptable cocrystals were analyzed for their dissolution rate, solubility and stability to draw conclusions on the impact of cocrystallization on the physicochemical properties of ZNS. It was found that the cocrystals showed lower solubility and dissolution rates and offer potential benefits in the development of sustained release formulations of ZNS which could address issues regarding its half-life fluctuation. Recent attempts to explore newer therapeutic applications have suggested ZNS as a potential drug for weight loss management. In this regard, the cocrystal of ZNS with caffeine, which has also been used in weight loss management, promises potential applications in the development of a novel fixed-dose combination drug which could offer synergistic therapeutic benefits in the treatment of obesity.

Application of 503-66-2, 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 503-66-2 is helpful to your research.

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