Day: February 23, 2021

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.Formula: C7H5NS, Name is Benzo[d]isothiazole, molecular formula is C7H5NS, Formula: C7H5NS. In a Article, authors is Lawson, Alexander J.£¬once mentioned of Formula: C7H5NS

THERMAL FISSION OF HYDROXYLAMINE DERIVATIVES WITH NEIGHBOURING-GROUP-PARTICIPATION BY THIOETHER FUNCTIONS: PREPARATION OF 1,2-BENZISOTHIAZOLES

Some of the factors influencing the preparation of 1,2-benzisothiazoles from 2-(alkylthio)phenyl-substituted oximes are discussed.Good yields of 3-aryl-1,2-benzisothiazoles 4 may be obtained from readily available precursors.Reaction takes place under particularly mild conditions when a t-butylthio function is situated anti to the leaving group at oxime-nitrogen and S-N overlap is not restricted by ring-strain in the transition-state.The corresponding N-methyl-hydroxamic acid derivatives 2 give good yields of 2-methyl-1,2-benzisothiazol-3(2H)-one 13 only when a t-butylthio substituent is present, e.g. in 2f.The ethylthio- and i-propylthio-analogues 2d and 2e give the vinylthioethers 12, while the methylthio derivatives 2a-c undergo a novel rearrangement to “Pummerer” esters.The preparation of the polycyclic compounds fluoreno<9,9a,1-cd>-1,2 thiazole 7 and 2,2′-bi(2H-fluoreno<9,9a,1-de>-1,3-thiazine) 8 is described.

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Reference£º
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com

 

Synthetic Route of 4576-90-3, Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. 4576-90-3, Name is Isothiazole-3-carboxylic acid,introducing its new discovery.

3-Aryl-5-isothiazolecarboxylic acids and related compounds used to lower uric acid levels

3-Phenyl (or meta or para-substituted phenyl)-4-permissibly substituted-5-isothiazolecarboxylic acids, salts, esters and simple amides, used to lower uric acid levels in mammals.

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Reference£º
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com

 

Reference of 288-16-4, Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. 288-16-4, Name is Isothiazole,introducing its new discovery.

Aldehyde oxidase and its role as a drug metabolizing enzyme

Aldehyde oxidase (AO) is a cytosolic enzyme that belongs to the family of structurally related molybdoflavoproteins like xanthine oxidase (XO). The enzyme is characterized by broad substrate specificity and marked species differences. It catalyzes the oxidation of aromatic and aliphatic aldehydes and various heteroaromatic rings as well as reduction of several functional groups. The references to AO and its role in metabolism date back to the 1950s, but the importance of this enzyme in the metabolism of drugs has emerged in the past fifteen years. Several reviews on the role of AO in drug metabolism have been published in the past decade indicative of the growing interest in the enzyme and its influence in drug metabolism. Here, we present a comprehensive monograph of AO as a drug metabolizing enzyme with emphasis on marketed drugs as well as other xenobiotics, as substrates and inhibitors. Although the number of drugs that are primarily metabolized by AO are few, the impact of AO on drug development has been extensive. We also discuss the effect of AO on the systemic exposure and clearance these clinical candidates. The review provides a comprehensive analysis of drug discovery compounds involving AO with the focus on developmental candidates that were reported in the past five years with regards to pharmacokinetics and toxicity. While there is only one known report of AO-mediated clinically relevant drug-drug interaction (DDI), a detailed description of inhibitors and inducers of AO known to date has been presented here and the potential risks associated with DDI. The increasing recognition of the importance of AO has led to significant progress in predicting the site of AO-mediated metabolism using computational methods. Additionally, marked species difference in expression of AO makes it is difficult to predict human clearance with high confidence. The progress made towards developing in vivo, in vitro and in silico approaches for predicting AO metabolism and estimating human clearance of compounds that are metabolized by AO have also been discussed.

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Reference£º
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com

 

Reference of 288-16-4, Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent£¬Which mentioned a new discovery about Reference of 288-16-4

Thiazole and Isothiazole Ring?Containing Compounds in?Crop Protection

Organic compounds containing five-membered aromatic heterocyclic rings play an important role in life science. Among them thiazole and isothiazole heterocycles are present in many pharmaceutical drugs and crop protection compounds and have sparked over past years an enormous interest on these scaffolds. In agrochemicals these moieties are found in 11 commercial products as well as in two development compounds. A thiazole moiety is present in seven currently marketed agrochemicals, namely the insecticides thiamethoxam and clothianidin, the fungicides thiabendazole, thifluzamide, ethaboxam, and oxathiapiprolin, and the nematicide fluensulfone, as well as in the development compound dicloromezotiaz. One compound, the fungicide isotianil, contains an isothiazole ring and three compounds a benzothiazole ring, namely the fungicide benthiavalicarb and the herbicides methabenzthiazuron and mefenacet. A benzisothiazole ring is not yet present in any commercial product, however, is found in the former nematicide development compound benclothiaz. Interestingly thiazole and isothiazole heterocycles are much less frequently found in agrochemicals than pyridine and pyrazole despite their bioisosteric relationship, which may indicate that these heterocycles have still not been explored to their full scope in crop protection lead discovery and optimization. Detailed information on the discovery, synthesis, and the structure?activity relationships of thiazole- and isothiazole-containing agrochemicals is provided in this review.

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Reference£º
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com

 

288-16-4, Name is Isothiazole, belongs to isothiazole compound, is a common compound. Computed Properties of C3H3NSIn an article, once mentioned the new application about 288-16-4.

Synthesis and biological activity of novel comenic acid derivatives containing isoxazole and isothiazole moieties

Methyl 5-hydroxy-4-oxo-4H-pyran-2-carboxylate was synthesized by esterification of methanol with comenic acid under acidic catalysis. The obtained ester was alkylated with 3-(chloromethyl)-5-phenylisoxazole and 4,5-dichloro-3-(chloromethyl)isothiazole to afford corresponding conjugates containing isoxazole and isothiazole moieties which then were transformed into water-soluble Li-salts. During the bioassays of synthesized isoxazole and isothiazole derivatives of comenic acid in mixtures with first-line antitumor drug Temobel (Temozolomid) used in brain tumors chemotherapy, a synergetic effect was observed.

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Reference£º
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com

 

Electric Literature of 288-16-4, Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent£¬Which mentioned a new discovery about Electric Literature of 288-16-4

Pollutants released from the pulp paper industry: Aquatic toxicity and their health hazards

The pulp paper industries release wastewater containing very complex organic and inorganic pollutants. These pollutants are discharged mainly pulping and bleaching process during paper manufacturing. The main gaseous pollutants hydrogen sulfides, sodium sulfide, methyl mercaptan, sulfur, and chlorine dioxide is reported for chronic, respiratory disorder and irritation to skin, eyes and cardiac problem along with nausea and headache. The major inorganic pollutants include ferrous, copper, zinc, nickel, and magnesium, which is reported for neurotoxicity, toxic to juvenile channel catfish (Ictalurus punctatus) and Accumulation to gill > liver > ovary > muscle. The detected major organic and inorganic pollutants are hexadecanoic acids, octacosane, beta-sitosterol trimethylsilyl ether, 1-tetradecane, 2-methoxy phenol, trichlorocatechol, tetrachlorocatechol, chlorophenols, chloroguaiacols, chlorosyringols, chlorocatechols, terpenes, methanol, phenol, alkylated phenols, decalone, benzoic acid, abietic acid, and dehydroabietic acid. Several of these compounds are reported as endocrine-disrupting chemicals (EDCs). Therefore, direct toxicity of effluent to the reproductive system in aquatic flora and fauna are reported. Several reports have highlighted reduced gonad size, change in secondary sexual character, delayed maturity and suppression of sex hormone in fish rainbow trout (Oncorhynchus mykiss) and mosquitofish (Gambusia holbrooki) further the in-vitro studies of organic compounds on fish, Salmonella typhimurium, Vibrio fischeri, and Saccharomyces have shown inhibition in growth and luminescence properties. The presence of organic and inorganic pollutants in pulp paper industry wastewater causes phytotoxicity chromosomal aberration in Allium cepa. Thus the manuscript has concluded that detected pollutants produced foul odors and cause hermaphroditism in fish, hepatotoxicity and mutagenic effect. In addition, the growth of coliform bacteria in River and other aquatic resources has been reported due to contamination of PPI effluent. The studies also highlighted the presence of tannins, chlorophenols, dioxins, furans, biocide, fatty acids, and resin acids along with chlorolignine compounds as persistent organic pollutants (POP), which needs special attention for pollution prevention of rivers, lakes and other aquatic resources.

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Reference£º
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com

 

Reference of 272-16-2, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.272-16-2, Name is Benzo[d]isothiazole, molecular formula is C7H5NS. In a Article£¬once mentioned of 272-16-2

Reaction of Benzyne with 1,2,5-Thiadiazoles and 2,1-Benzisothiazoles

1,2,5-Thiadiazoles react with benzyne to give 1,2-benzisothiazole derivatives. 3.4-Diphenyl-1,2,5-selenadiazole with benzyne likewise affords 3-phenyl-1,2-benzisoselenazole, contrary to a previous report.Some reactions of 3-(8-cyano-1-naphthyl)-1,2-benzisothiazole are described.The reaction of benzyne with 3-amino-2,1-benzisothiazole afforded N-phenylated products, including N-phenyl-anthranonitrile.

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Reference£º
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com

 

Reference of 288-16-4, Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent£¬Which mentioned a new discovery about Reference of 288-16-4

Synthesis, characterization and antibacterial activity of 3-(2-(Heterocyclo-2-ylthio)-ethoxy)benzo[d]isothiazoles(1)

Seven novel 3-(2-(heterocyclo-2-ylthio)ethoxy)benzo[d]isothiazoles (3a?3g) have been synthesized and characterized by ESI-MS and 1H and 13C NMR spectra. The crystal structures of 3a and 3g have been determined. Compound 3a (C11H11N5O1S2) belongs to the monoclinic system and 3g (C12H11N3OS3) to the triclinic system. The title compounds show excellent in vitroantibacterial activities, with the minimum inhibitory concentrations varying from 4 to 32 ug/mL.

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Reference£º
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com

 

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[1,3,4] OXADIAZOLE DERIVATIVE AND APPLICATION THEREOF

The present invention belongs to the medicinal chemistry field, and specifically discloses a [1,3,4]oxadiazole derivative with the structure of general formula (I) and pharmaceutically acceptable salt thereof. The compound can be used to prepare a medicine for preventing or treating a disease of the central nervous system.

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Reference£º
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com

 

One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, Computed Properties of C7H5NO2S2, such as the rate of change in the concentration of reactants or products with time.In a article, mentioned the application of 27148-03-4, Name is Benzo[d]isothiazole-3(2H)-thione 1,1-dioxide, molecular formula is C7H5NO2S2

Mono and polynuclear silver(I) complexes with thiosaccharine and triphenylphosphine or 2,2?-bipyridine. Synthesis, spectroscopic and structural characterization

Reaction of Ag6(tsac)6 (tsac- = thiosaccharinate anion) with PPh3 and 2,2?-bipyridine (bipy) ligands give rise to three new silver-thiosaccharinate complexes, [Ag(tsac)(PPh3)3], [Ag4(tsac)4(PPh3)3], and [Ag2(tsac)2(bipy)2]. Their crystal structures established by single-crystal X-ray diffraction and IR spectroscopic characterizations are reported here. In each complex a singular coordination mode for the thiosaccharinate ligands is observed. The most important features of the different coordination modes of the thionates are discussed.

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Reference£º
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com