Category: 6797-13-3

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.Smith, Peter A. S.; Chou, Shang-Shing Peter researched the compound: 2-Ethylbenzo[d]oxazole( cas:6797-13-3 ).Recommanded Product: 2-Ethylbenzo[d]oxazole.They published the article 《Cyclization of phenyl azides with homoallylic or allylic ortho substituents and the consequences of triazoline fragmentation》 about this compound( cas:6797-13-3 ) in Journal of Organic Chemistry. Keywords: azide phenyl cyclization; allyloxyphenyl azide cyclization; thermolysis phenyl azide. We’ll tell you more about this compound (cas:6797-13-3).

Thermolysis at 110-20°of o-allyloxyphenyl azide and 14 derivatives substituted on the allyl group gave benzoxazines, dihydroazirinobenzoxazines, or 3-alkenylbenzomorpholines through fragmentation of intermediate triazolines. With substituted allyl groups, the geometrical isomers gave the same products in the same ratio, except in the case of o-(β,γ-dimethylallyl)phenyl azide. Rearrangement by Ph migrations occurred with the β-phenylallyl compound o-Allylphenyl azide, (o-azidophenyl)acetaldehyde, and o-[(cis-1-propenyl)oxy]phenyl azide required of 155-200° for thermolysis and yielded 2-methylindole, oxindole, and 2-ethylbenzoxazole, resp., by nitrene insertion.

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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

SDS of cas: 6797-13-3. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 2-Ethylbenzo[d]oxazole, is researched, Molecular C9H9NO, CAS is 6797-13-3, about Reaction of ynamines with bifunctional reagents. Author is Sokolova, E. A.; Maretina, I. A.; Petrov, A. A..

Dioxoles, imidazoles, oxazoles and thiazoles (I ,II, III, X = O, NH, S; R = Et, Ph) were prepared in 45-83% yields by the title reaction. Thus, cyclization of Et2NCCMe with o-(HO)2C6H4 in C6H6 in the presence of H2SO4 gave 52% benzodioxole I (X = O, R = Et). The reaction of EtRNCCMe with HXCH2CH2XH gave MeCH:C(NEtR)XCH2CH2XH.

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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 2-Ethylbenzo[d]oxazole, is researched, Molecular C9H9NO, CAS is 6797-13-3, about 1,3-Dibromo-5,5-dimethylhydantoin as an efficient homogeneous catalyst for synthesis of benzoxazoles, benzimidazoles, and oxazolo[4,5-b]pyridines, the main research direction is orthoester cyclocondensation heteroaryl aryl amine bromohydantoin homogeneous catalyst; fused heterocycle benzoxazole benzimidazole oxazolopyridine preparation solvent free.Related Products of 6797-13-3.

A simple and highly efficient method for synthesis of benzoxazoles, benzimidazoles, and oxazolo[4,5-b]pyridines was described. Condensation of orthoesters with o-substituted anilines or 2-amino-3-hydroxypyridine was performed in the presence of catalytic amounts of com. available, inexpensive, and moisture-stable 1,3-dibromo-5,5-dimethylhydantoin under solvent-free conditions. The corresponding heterocycles were obtained in good to excellent yields. The main advantages of the present procedure are mild reaction conditions, short reaction times, high yields of products, easy work-up, and absence of solvent.

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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 2-Ethylbenzo[d]oxazole, is researched, Molecular C9H9NO, CAS is 6797-13-3, about Zirconium dodecylphosphonate: selective and constructive catalyst for preparation of 2-Alkyl benzoxazoles from aliphatic carboxylic acids.Related Products of 6797-13-3.

In this study zirconium dodecylphosphonate prepared by literature methods have been used as catalyst for the preparation of 2-alkylbenzoxazoles. 2-Alkylbenzoxazoles were prepared from aliphatic carboxylic acids and 2-aminophenol under solvent-free conditions at 100°. The reaction was tested with aromatic carboxylic acids but the results showed that they could not react with 2-aminophenol. So, this method introduces a selective and constructive method for synthesis of 2-alkylbenzoxazoles without salt formation. On the other hand, this research offers several advantages such as high yields, good reaction times, easy work-up and use of a safe catalyst.

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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 6797-13-3, is researched, SMILESS is CCC1=NC2=CC=CC=C2O1, Molecular C9H9NOJournal, Article, Journal of the American Chemical Society called Carbon-Carbon Bond Cleavage of Diynes through the Hydroamination with Transition Metal Catalysts, Author is Shimada, Tomohiro; Yamamoto, Yoshinori, the main research direction is benzoxazole preparation; aminophenyl cyclocondensation diyne; ruthenium carbonyl hydroamination catalyst; hydroamination catalyst transition metal catalyst; carbon carbon bond cleavage diyne.Reference of 2-Ethylbenzo[d]oxazole.

The C-C bond cleavage of terminal and internal diynes takes place readily in the presence of catalytic amounts of Ru3(CO)12 or Pd(NO3)2 and of 2-aminophenol, giving the corresponding benzoxazoles and ketones in good to high yields. Thus, reaction of 2-H2NC6H4OH with RCCCCH [R = hexyl, decyl, cyclohexyl, Me3C, PhCH2CH2, (Me2CH)3SiO(CH2)4, Cl(CH2)3] in MeOH containing Ru3(CO)12 and NH4PF6 gave mixtures of 2-methylbenzoxazole and the C-2 substituted benzoxazoles I in 58-98% yields in addition to acetone and RCOMe. The substituted aminophenols II (R1 = 4-NO2, 4-Cl, 4-Me, 4-MeO, 5-NO2, 5-Me, 3-Me) reacted similarly with 1,3-decadiyne to give methylbenzoxazoles III and hexylbenzoxazoles IV. The two different modes of bond cleavage in these reactions are cleavage of an alkyne C-C triple bond and cleavage of the C-C single bond between the two alkyne groups.

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Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Shelkar, Radheshyam; Sarode, Sachin; Nagarkar, Jayashree published the article 《Nano ceria catalyzed synthesis of substituted benzimidazole, benzothiazole, and benzoxazole in aqueous media》. Keywords: phenylenediamine aldehyde nano ceria cyclocondensation catalyst; benzimidazole preparation green chem; aminothiophenol aldehyde nano ceria cyclocondensation catalyst; benzothiazole preparation green chem; aminophenol aldehyde nano ceria cyclocondensation catalyst; benzoxazole preparation green chem.They researched the compound: 2-Ethylbenzo[d]oxazole( cas:6797-13-3 ).Reference of 2-Ethylbenzo[d]oxazole. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:6797-13-3) here.

A series of substituted benzimidazoles, benzothiazoles, and benzoxazoles was synthesized by combining 1,2-phenylenediamine, 2-aminothiophenol, or 2-aminophenol with aryl, heteroaryl, aliphatic, α,β-unsaturated aldehydes in the presence of nano ceria (CeO2) as an efficient heterogeneous catalyst.

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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Recommanded Product: 2-Ethylbenzo[d]oxazole. 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: 2-Ethylbenzo[d]oxazole, is researched, Molecular C9H9NO, CAS is 6797-13-3, about Inhibitors of hepatic mixed function oxidases. V. Inhibition of aminopyrine N-demethylation and enhancement of aniline hydroxylation by benzoxazole derivatives. Author is Little, Peter J.; Ryan, Adrian J..

All of a series of 12 benzoxazoles tested inhibited aminopyrine N-demethylase (I) activity of rat liver microsomes from phenobarbitone-treated rats, and there was an apparent relation between inhibitory potency and partition coefficient For the 2-alkylbenzoxazole series, inhibitory potency towards I activity increased as the number of C atoms in the alkyl side chain increased. Substitution of a Me group into the 2 or 5 position of the benzoxazole nucleus produced a 2- to 3-fold increase in inhibitory potential for each instance. Eleven of the benzoxazoles enhanced aniline p-hydroxylase activity in rat liver microsomes, whereas one, zoxazolamine, was inhibitory; no relation was apparent between physicochem. properties and degree of enhancement of aniline p-hydroxylase activity.

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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Article, Journal of Organic Chemistry called Synthesis of Benzoxazoles from 2-Aminophenols and β-Diketones Using a Combined Catalyst of Bronsted Acid and Copper Iodide, Author is Mayo, Muhammad Shareef; Yu, Xiaoqiang; Zhou, Xiaoyu; Feng, Xiujuan; Yamamoto, Yoshinori; Bao, Ming, which mentions a compound: 6797-13-3, SMILESS is CCC1=NC2=CC=CC=C2O1, Molecular C9H9NO, Recommanded Product: 2-Ethylbenzo[d]oxazole.

Cyclization reactions of 2-aminophenols with β-diketones catalyzed by a combination of Bronsted acid and CuI are presented. Various 2-substituted benzoxazoles were obtained through these reactions. Different substituents such as Me, chloro, bromo, nitro, and methoxy on 2-aminophenol are tolerated under the optimized reaction conditions.

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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Llinares, Jeanine; Galy, Jean Pierre; Faure, Robert; Vincent, Emile Jean; Elguero, Jose published the article 《Structure and reactivity of benzoxazoles: carbon-13 nuclear magnetic resonance study》. Keywords: benzoxazole structure reactivity NMR; oxazole structure reactivity NMR; aminophenol structure NMR; phenol amino structure NMR; substituent oxazole derivative NMR.They researched the compound: 2-Ethylbenzo[d]oxazole( cas:6797-13-3 ).Quality Control of 2-Ethylbenzo[d]oxazole. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:6797-13-3) here.

Thirty-four benzoxazoles, oxazole, and 10 o-aminophenols were studied by 13C NMR spectroscopy. All the signals are attributed to substituent effects. The structures of the products obtained by the nitration of benzoxazole were determined by 13C NMR. The shifts induced by substitution at the 2 position are discussed as a function of an empirical model by using the structural parameters F, R, and Q*. Azido-tetrazole equilibrium (N3 in position 2) and prototropic tautomerism (NH2, OH, and SH in position 2) are also discussed. The chem. shifts and coupling constants of oxazole and unsubstituted benzoxazole are compared.

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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《New synthesis of the benzothiazole and benzoxazole rings》. Authors are Jenkins, Glenn L.; Knevel, Adelbert M.; Davis, Charles S..The article about the compound:2-Ethylbenzo[d]oxazolecas:6797-13-3,SMILESS:CCC1=NC2=CC=CC=C2O1).COA of Formula: C9H9NO. Through the article, more information about this compound (cas:6797-13-3) is conveyed.

HC(OEt)3 (37 g.), 22 g. 2-H2NC6H4SH, and 0.7 g. concentrated H2SO4 heated (oil bath) to 115-30° with distillation of EtOH, heating continued 1 hr. to 170-80° with distillation of 31 ml. EtOH, the mixture heated 45 min. at 175-85°, and the cooled product distilled in vacuo gave benzothiazole, C6H4.X.CR:N (I, X = S, R = H), b754 183°. Similarly were prepared the tabulated I in 75-86% yields (X, R, and b.p./mm. given): S, Me, 151°/15; S, Et, 132°/18; O, H, 182°/753; O, Me, 91°/18; O, Et, 129°/23.

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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem