Category: 57825-30-6

HPLC of Formula: 57825-30-6. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 1-(Bromomethyl)-4-ethylbenzene, is researched, Molecular C9H11Br, CAS is 57825-30-6, about Chloromethylation of Aromatic Compounds Catalyzed by Surfactant Micelles in Oil-Water Biphasic System. Author is Liu, Qifa; Wei, Wei; Lu, Ming; Sun, Feng; Li, Jiang; Zhang, Yuchao.

In this work, the chloromethylation reaction of aromatic compounds was performed successfully by micellar catalysis in oil/water biphasic system at high reactant loadings that exceeded the solubilization capacity of micellar solutions The effects of cationic, nonionic and anionic surfactants on the reaction were compared. The mechanism of chloromethylation reaction and the mechanism of micellar catalysis were investigated. The results show that the micellar catalysis is an effective way to realize the chloromethylation. The chloromethylation reaction consists of electrophilic substitution reaction and nucleophilic substitution reaction. Cationic surfactants, especially those containing longer hydrophobic carbon chain, are more effective. Selectivity for mono-chloromethylation was remarkably improved and regioselectivity was found to be dependent on the nature of the surfactant. Under the optimal reaction conditions, chloromethylation of isopropylbenzene could obtain 97.5% selectivity in mono-chloromethylation and 8.28 para/ortho selectivity ratio at 89.8% conversion. Good conversion and high selectivity in mono-chloromethylation were obtained.

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Related Products of 57825-30-6. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 1-(Bromomethyl)-4-ethylbenzene, is researched, Molecular C9H11Br, CAS is 57825-30-6, about Discovery of N-(2-aminoethyl)-N-benzyloxyphenyl benzamides: New potent Trypanosoma brucei inhibitors. Author is Buchynskyy, Andriy; Gillespie, J. Robert; Hulverson, Matthew A.; McQueen, Joshua; Creason, Sharon A.; Ranade, Ranae M.; Duster, Nicole A.; Gelb, Michael H.; Buckner, Frederick S..

A phenotypic screen of a compound library for antiparasitic activity on Trypanosoma brucei, the causative agent of Human African Trypanosomiasis (HAT), led to the identification of N-(2-aminoethyl)-N-Ph benzamides as a starting point for hit-to-lead medicinal chem. Eighty two analogs were prepared, which led to the identification of a set of highly potent N-(2-aminoethyl)-N-benzyloxyphenyl benzamides with the most potent compound 73 having an in vitro EC50 = 0.001 μM. The compounds displayed drug-like properties when tested in a number of in vitro assays. Compound 73 was orally bioavailable and displayed good plasma and brain exposure in mice, cured 2 out of 3 mice infected with Trypanosoma brucei in acute model when dosed orally at 50 mg/kg once per day for 4 days. Given its potent antiparasitic properties and its ease of synthesis, compound 73 represents a potential lead for the development of drug to treat Human African Trypanosomiasis.

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In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Synthesis and antifungal activity of 1-(1H-1,2,4-triazole-1-yl)-2-(2,4-difluorophenyl)-3-(N-butyl-N-substituted benzylamino)-2-propanol, published in 2009-09-20, which mentions a compound: 57825-30-6, mainly applied to triazole difluorophenyl butylbenzylamino propanol preparation antifungal agent, Application of 57825-30-6.

To study the antifungal activity of triazole alcs. by introducing N-Bu and substituted benzyl as side chain, fourteen title compounds were synthesized and characterized by 1H NMR, IR, and LC-MS. The MICs of the compounds were determined by in vitro test using 8 clin. pathogenic fungi. The title compounds exhibited potent antifungal activities against nearly all fungi tested (except for Aspergillus fumigatus), especially for the deep infection ones. Three compounds showed a 16-fold activity (with a MIC80 value of 0.015 6 μg/mL) as that of fluconazole against Microsporum gypseum. Two compounds showed a 128-fold activity (with a MIC80 value of 0.003 9 μg/mL) as that of fluconazole against Candida albicans, and their activities were higher than those of other pos. controls.

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Lee, Yoon-Suk; Park, Sun Min; Kim, Hwan Mook; Park, Song-Kyu; Lee, Kiho; Lee, Chang Woo; Kim, Byeang Hyean published an article about the compound: 1-(Bromomethyl)-4-ethylbenzene( cas:57825-30-6,SMILESS:CCC1=CC=C(CBr)C=C1 ).Formula: C9H11Br. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:57825-30-6) through the article.

We describe (i) a simple method for the synthesis of C5-modified nucleosides, e.g. I, from 5-iodo-2′-deoxyuridine and (ii) their activity against six types of human cancer cell lines (HCT15, MM231, NCI-H23, NUGC-3, PC-3, ACHN). We generated nitrile oxides in situ from oximes using a com. bleaching agent; their cycloaddition with 5-ethynyl-2′-deoxyuridine yielded isoxazole derivatives possessing activity against the cancer cell lines. We synthesized several azides from benzylic bromides and their click reactions with 5-ethynyl-2′-deoxyuridine provided triazole derivatives

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In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Manganese-catalysed benzylic C(sp3)-H amination for late-stage functionalization, published in 2018-06-30, which mentions a compound: 57825-30-6, mainly applied to regioselective benzylic amination manganese perchlorophthalocyanine catalyst, Electric Literature of C9H11Br.

Reactions that directly install nitrogen into C-H bonds of complex mols. are significant because of their potential to change the chem. and biol. properties of a given compound Although selective intramol. C-H amination reactions are known, achieving high levels of reactivity while maintaining excellent site selectivity and functional-group tolerance remains a challenge for intermol. C-H amination. Here, we report a manganese perchlorophthalocyanine catalyst [MnIII(ClPc)] for intermol. benzylic C-H amination of bioactive mols. and natural products that proceeds with unprecedented levels of reactivity and site selectivity. In the presence of a Bronsted or Lewis acid, the [MnIII(ClPc)]-catalyzed C-H amination demonstrates unique tolerance for tertiary amine, pyridine and benzimidazole functionalities. Mechanistic studies suggest that C-H amination likely proceeds through an electrophilic metallonitrene intermediate via a stepwise pathway where C-H cleavage is the rate-determining step of the reaction. Collectively, these mechanistic features contrast with previous base-metal-catalyzed C-H aminations and provide new opportunities for tunable selectivities.

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Related Products of 57825-30-6. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: 1-(Bromomethyl)-4-ethylbenzene, is researched, Molecular C9H11Br, CAS is 57825-30-6, about Discovery of liver-targeted inhibitors of stearoyl-CoA desaturase (SCD1).

Inhibitors based on a benzo-fused spirocyclic oxazepine scaffold were discovered for stearoyl-CoA (CoA) desaturase 1 (SCD1) and subsequently optimized to potent compounds with favorable pharmacokinetic profiles and in vivo efficacy in reducing the desaturation index in a mouse model. Initial optimization revealed potency preferences for the oxazepine core and benzylic positions, while substituents on the piperidine portions were more tolerant and allowed for tuning of potency and PK properties. After preparation and testing of a range of functional groups on the piperidine nitrogen, three classes of analogs were identified with single digit nanomolar potency: glycine amides, heterocycle-linked amides, and thiazoles. Responding to concerns about target localization and potential mechanism-based side effects, an initial effort was also made to improve liver concentration in an available rat PK model. An advanced compound 17m with a 5-carboxy-2-thiazole substructure appended to the spirocyclic piperidine scaffold was developed which satisfied the in vitro and in vivo requirements for more detailed studies.

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SDS of cas: 57825-30-6. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 1-(Bromomethyl)-4-ethylbenzene, is researched, Molecular C9H11Br, CAS is 57825-30-6, about Construction of polyaromatics via photocyclization of 2-(fur-3-yl)ethenylarenes, using a 3-furyl group as an isopropenyl equivalent synthon. Author is Chen, Ying-Zhe; Ni, Ching-Wen; Teng, Fu-Lin; Ding, Yi-Shun; Lee, Tunng-Hsien; Ho, Jinn-Hsuan.

The construction of different types of substituted arenes was demonstrated through the photocyclization of 2-(fur-3-yl)ethenylarenes using a 3-furyl group as an isopropenyl equivalent synthon in the photocyclization reaction. The furan portion of the photocyclization intermediate could be fragmented via a base-induced elimination reaction to yield a series of substituted polyaromatics, including naphthalene, benzofuran, benzothiophene, phenanthrene, phenalene, acenaphthene, and triphenylene. Using different reagents, this method made it possible to introduce Me or 2-hydroxyethyl groups as substituents at specific positions in these arenes.

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HPLC of Formula: 57825-30-6. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 1-(Bromomethyl)-4-ethylbenzene, is researched, Molecular C9H11Br, CAS is 57825-30-6, about An efficient synthesis of benzyl bromides from aromatic aldehydes using polymethylhydrosiloxane and (bromodimethyl)sulfonium bromide or N-bromosuccinimide. Author is Das, Biswanath; Srinivas, Yallamalla; Holla, Harish; Laxminarayana, Keetha; Narender, Ravirala.

Polymethylhydrosiloxane (PMHS) in combination with (bromodimethyl)sulfonium bromide or NBS was utilized for the first time for reductive bromination of aromatic aldehydes at room temperature to afford the corresponding benzyl bromides in excellent yields.

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Application of 57825-30-6. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 1-(Bromomethyl)-4-ethylbenzene, is researched, Molecular C9H11Br, CAS is 57825-30-6, about Synthesis and biological studies of novel 2-(4-substitutedbenzylthio)-5-amino-6-(benzo[d]thiazol-2-yl)-7-(4-chlorophenyl)pyrido[2,3-d]pyrimidin-4(3H)-one derivatives. Author is Suresh, M.; Lavanya, P.; Naga Raju, K.; Jonnalagadda, Sreekanth B.; Venkata Rao, C..

A series of novel 2-(4-substitutedbenzylthio)-5-amino-6-(benzo[d]thiazol-2-yl)-7-(4-chlorophenyl)pyrido[2,3-d]pyrimidin-4(3H)-one derivatives were synthesized and evaluated for their antibacterial and antifungal activity. All the derivatives were efficiently synthesized in four steps. The structure of the newly synthesized compounds was elucidated by their IR, 1H-NMR, 13C NMR, LCMS mass spectra and elemental anal.

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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Bromomethylation of aromatic compounds》. Authors are Nazarov, I. N.; Semenovskii, A. V..The article about the compound:1-(Bromomethyl)-4-ethylbenzenecas:57825-30-6,SMILESS:CCC1=CC=C(CBr)C=C1).Recommanded Product: 1-(Bromomethyl)-4-ethylbenzene. Through the article, more information about this compound (cas:57825-30-6) is conveyed.

Passage of HBr into 150 ml. MePh, 15 g. paraformaldehyde, 8.5 g. ZnCl2, and a little P 1 hr. at 50° gave after washing with NaHCO3 and H2O, 58% mixed MeC6H4CH2Br isomers (I), b10 82-90°, and some diaryl derivatives b13 145-50°. Passage of HBr into 150 ml. CCl4, 15 g. paraformaldehyde, and 10 g. ZnCl2 with a little P for 35 min. and dropwise addition of 53 g. EtPh at 50° in a continuous stream of HBr over 1.3 hrs. similarly gave 48.3% mixed EtC6H4CH2Br (II), b7.5 96-100°. Passage of HBr 6 hrs. into 90 ml. concentrated HBr, 70 g. MePh, 30 g. paraformaldehyde, and a little P, followed by 19 hrs. at 50° gave, after washing, 71.3% mixed MeC6H4CH2Br, b23 112-20°; similarly, EtPh gave 85% mixed EtC6H4CH2Br, b10 101-4°, while iso-PrPh gave 78% mixed iso-PrC6H4CH2Br (III), b20 126-30°. Hydrolysis of I gave mixed o- and p-MeC6H4CH2OH, b12 106-10°; II gave the corresponding Et analogs, b12 120-4° and III gave mixed iso-Pr analogs, b12 121-5°. The hydrolyses were run with chalk in hot H2O 24 hrs. Oxidation of the alcs. with CrO3 gave mixtures of o- and p-C6H4(CO2H)2; oxidation with 10% HNO3 in an autoclave at 200° gave the same products, in which the p-isomers predominated.

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