Category: 6797-13-3

COA of Formula: C9H9NO. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 2-Ethylbenzo[d]oxazole, is researched, Molecular C9H9NO, CAS is 6797-13-3, about Reaction of benzoxa(thia)zoles with allenylmagnesium bromide. Synthesis of propargylbenzothiazolines and dipropargylalkyl-o-aminophenols. Author is Babudri, F.; Florio, S..

Benzoxazoles I (R = H, alkyl, CH2Ph; X = O) and benzothiazole I (R = H; X = S) react with H2C:C:CHMgBr (II) (prepared from propargyl bromide) to give 2-HOC6H4NHC(CH2CCH)2R and disulfide III resp. The reaction of I (R = alkyl, CH2Ph; X = S) with II gives the propargylbenzothiazolines IV and I (R = OMe; X = S) produces I (R = CH:C:CH2; X = S).

There is still a lot of research devoted to this compound(SMILES：CCC1=NC2=CC=CC=C2O1)COA of Formula: C9H9NO, and with the development of science, more effects of this compound(6797-13-3) can be discovered.

Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Application of 6797-13-3. 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: 2-Ethylbenzo[d]oxazole, is researched, Molecular C9H9NO, CAS is 6797-13-3, about Tungstate sulfuric acid as an efficient catalyst for the synthesis of benzoxazoles and benzothiazoles under solvent-free conditions. Author is Farahi, Mahnaz; Karami, Bahador; Azari, Masume.

Tungstate sulfuric acid (TSA) was found to be an efficient and reusable catalyst for the synthesis of benzoxazole and benzothiazole derivatives via reactions of ortho esters with o-aminophenols or o-aminothiophenols in high yields.

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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Hirano, Masaya; Fukumoto, Yoshiya; Matsubara, Nao; Chatani, Naoto published the article 《A cationic iridium-catalyzed C(sp3)-H silylation of 2-Alkyl-1,3-azoles at the α-position in the 2-alkyl group leading to 2-(1-Silylalkyl)-1,3-azoles》. Keywords: cationic iridium catalyzed regioselective silylation alkylazole alpha position alkyl; silylalkylazole preparation.They researched the compound: 2-Ethylbenzo[d]oxazole( cas:6797-13-3 ).Product Details of 6797-13-3. 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.

The regioselective silylation of the α-C(sp3)-H bond in the 2-alkyl group in 2-alkyl-1,3-azole derivatives with hydrosilanes, catalyzed by the combination of (POCOPtBu)IrHCl and NaBArF4, leading to the production of 2-(1-silylalkyl)-1,3-azoles is described. The presence of 3,5-dimethylpyridine is required for the reaction to proceed. Although the reaction takes place both in the presence and absence of a hydrogen acceptor, the addition of an acceptor gave better results, in terms of the efficiency of the reaction.

From this literature《A cationic iridium-catalyzed C(sp3)-H silylation of 2-Alkyl-1,3-azoles at the α-position in the 2-alkyl group leading to 2-(1-Silylalkyl)-1,3-azoles》,we know some information about this compound(6797-13-3)Product Details of 6797-13-3, but this is not all information, there are many literatures related to this compound(6797-13-3).

Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

HPLC of Formula: 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. Compound: 2-Ethylbenzo[d]oxazole, is researched, Molecular C9H9NO, CAS is 6797-13-3, about Aldol-type reaction of 2-ethylbenzazoles with aromatic aldehydes in aqueous medium.

The benzoxazole I (X = O) reacted with R1C6H4CHO (R1 = H, 2-Cl, 4-Cl, 2-Me, 4-Me, 4-MeO) in the presence of PhCH2N+Et3Cl- to give II (X = O) as erythro-threo mixtures, except for II (X = O, R1 = 4-MeO) which was pure erythro isomer. Similar reaction of I (X = S) with R1C6H4CHO (R1 = H, 4-Cl, 4-Me, 4-MeO) for 2 h gave II (X = S), whereas after 24 h III were obtained.

From this literature《Aldol-type reaction of 2-ethylbenzazoles with aromatic aldehydes in aqueous medium》,we know some information about this compound(6797-13-3)HPLC of Formula: 6797-13-3, but this is not all information, there are many literatures related to this compound(6797-13-3).

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Benzoxazole – Wikipedia,
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Pizzetti, Marianna; De Luca, Elisa; Petricci, Elena; Porcheddu, Andrea; Taddei, Maurizio published an article about the compound: 2-Ethylbenzo[d]oxazole( cas:6797-13-3,SMILESS:CCC1=NC2=CC=CC=C2O1 ).Reference of 2-Ethylbenzo[d]oxazole. 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:6797-13-3) through the article.

The synthesis of benzimidazoles starting from o-phenylenediamines and amines in the presence of palladium on charcoal as catalyst is reported. Under microwave dielec. heating it is possible to use a tertiary, a secondary, and even a primary amine as the substrate for a palladium-mediated process to get 2-substituted or 1,2-disubstituted benzimidazoles, depending on the nature of the o-phenylenediamine employed. Primary amines are the most suitable reagents for the atom economy of the overall process. Benzoxazoles can be also prepared starting from primary amines and o-aminophenol. The reaction is also highly selective as no (poly)alkylated phenylenediamines or cross-contaminated benzimidazoles are obtained starting from N-monoalkylphenylenediamines. This behavior was interpreted as a scarce aptitude to dehydrogenation of the methylene bonded to the aromatic NH of N-alkylarylamines. The catalyst can be recycled several times and, although far from optimal, catalyst TON=90 is encouraging for further large-scale optimization protocols. In addition, the palladium on charcoal-catalyzed microwave-assisted reaction of o-phenylenediamine gives dealkylation of tertiary amines and transformation to the secondary amines.

From this literature《A General Approach to Substituted Benzimidazoles and Benzoxazoles via Heterogeneous Palladium-Catalyzed Hydrogen-Transfer with Primary Amines》,we know some information about this compound(6797-13-3)Reference of 2-Ethylbenzo[d]oxazole, but this is not all information, there are many literatures related to this compound(6797-13-3).

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Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Recommanded Product: 2-Ethylbenzo[d]oxazole. 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: 2-Ethylbenzo[d]oxazole, is researched, Molecular C9H9NO, CAS is 6797-13-3, about The para-toluenesulfonic acid-promoted synthesis of 2-substituted benzoxazoles and benzimidazoles from diacylated precursors.

The synthesis of benzoxazoles I (R1 = Ph, alkyl, etc.; R2, R3 = H, nitro) was accomplished by treating N,O-diacylated 2-aminophenols II (same R1-R3) with toluenesulfonic acid. Benzimidazoles were prepared by treating N,N’-diacylated 1,2-benzenediamines with p-toluenesulfonic acid. These reactions are operationally simple and proceed in excellent yield.

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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Computed Properties of C9H9NO. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 2-Ethylbenzo[d]oxazole, is researched, Molecular C9H9NO, CAS is 6797-13-3, about Mild and efficient synthesis of benzoxazoles, benzothiazoles, benzimidazoles, and oxazolo[4,5-b]pyridines catalyzed by Bi(III) salts under solvent-free conditions. Author is Mohammadpoor-Baltork, Iraj; Khosropour, Ahmad R.; Hojati, Seyedeh F..

A series of benzoxazoles, benzothiazoles, benzimidazoles, and oxazolo[4,5-b]pyridines was efficiently synthesized from the reactions of o-aminophenols, o-aminothiophenol, o-phenylenediamines, and 2-amino-3-hydroxypyridine with orthoesters in the presence of catalytic amounts of Bi(III) salts, such as Bi(TFA)3, Bi(OTf)3, and BiOClO4 · xH2O under solvent-free conditions. The remarkable features of this new protocol are high conversion, very short reaction times, cleaner reaction profiles under solvent-free conditions, straightforward procedure, and use of relatively non-toxic catalysts.

There is still a lot of research devoted to this compound(SMILES：CCC1=NC2=CC=CC=C2O1)Computed Properties of C9H9NO, and with the development of science, more effects of this compound(6797-13-3) can be discovered.

Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 6797-13-3, is researched, Molecular C9H9NO, about Facile synthesis of 2-benzoxazoles via CuI/2,2′-bipyridine catalyzed intramolecular C-O coupling of 2-haloanilides, the main research direction is benzoxazole preparation; haloanilide intramol cross coupling copper iodide bipyridine.Electric Literature of C9H9NO.

A facile and general method for the synthesis of 2-substituted benzoxazoles I [R1 = C6H5, C(CH3)3, CH2CH3, CH(CH3)2; R2 = 6-F, 5-CF3, 6-CH3, etc.] via copper catalyzed intramol. C-O cross-coupling of 2-haloanilides 2-X-R3C6H3NHC(O)R1 (X = I, Br, Cl; R3 = 4-F, 4-OCH3, 5-CF3, etc.) has been reported. A combination of CuI (5 mol%), 2,2′-bipyridine (10 mol%), Cs2CO3 (2 equivalent) in DMF solvent with 4 Å mol. sieves at 140°C, illustrated the scope for tuning the reactivity of 2-haloanilides toward the selective formation of a series of 2-alkyl benzoxazole derivatives I in moderate to good yields. This is the first systematic study using CuI/2,2′-bipyridine as the catalytic system for the synthesis of 2-substituted benzoxazoles I. The outcome of the reaction was found to be significantly influenced by the aromatic and amide substituents of 2-haloanilides.

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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 2-Ethylbenzo[d]oxazole( cas:6797-13-3 ) is researched.Quality Control of 2-Ethylbenzo[d]oxazole.Patil, Abasaheb V.; Bandgar, Babasaheb P.; Lee, Soo-Hyoung published the article 《Silica supported fluoroboric acid: an efficient and reusable heterogeneous catalyst for facile synthesis of 2-aliphatic benzothiazoles, benzoxazoles, benzimidazoles and imidazo[4,5-b]pyridines》 about this compound( cas:6797-13-3 ) in Bulletin of the Korean Chemical Society. Keywords: cyclization aminophenol aminothiophenol phenylenediamine pyridinediamine ortho ester tetrafluoroborate catalyst; silica supported tetrafluoroboric acid catalyst heterocycle preparation. Let’s learn more about this compound (cas:6797-13-3).

2-Substituted benzothiazoles, benzoxazoles, benzimidazoles and imidazo[4,5-b]pyridines were prepared by cyclization of aminophenols, aminothiophenols, phenylenediamines and a pyridinediamine with ortho esters using silica-supported tetrafluoroboric acid a catalyst.

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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 Palladium(II) Immobilized Onto the Glucose Functionalized Magnetic Nanoparticle as a New and Efficient Catalyst for the One-pot Synthesis of Benzoxazoles.Reference of 2-Ethylbenzo[d]oxazole.

Palladium(II) have been immobilized into the nano magnetic Fe3O4 which was functionalized with glucose in order to achieve a one-pot synthesis of 2-substituted benzoxazole derivatives with high yields in the diverse range of organic solvents. The nano catalyst is highly dispersive in polar solvents and can be easily recovered and reused for 6 runs without significant loss of its activity. Finally, the catalyst was fully characterized by FT-IR, TGA, CHN, SEM, EDX and at. absorption spectroscopy.

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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem