Tag: M.W:100-200

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 2-Ethylbenzo[d]oxazole(SMILESS: CCC1=NC2=CC=CC=C2O1,cas:6797-13-3) is researched.Recommanded Product: cis-Dichlorobis(pyridine)platinum(II). The article 《Silica-sulfuric acid catalyzed microwave-assisted synthesis of substituted benzoxazoles and their antimicrobial activity》 in relation to this compound, is published in International Research Journal of Pharmacy. Let’s take a look at the latest research on this compound (cas:6797-13-3).

Benzoxazole derivatives were designed for a study of their biol. activity, the synthesis of the target compounds was achieved by a microwave-mediated method using sulfated silica (solid acid) as catalyst and ortho esters and 2-aminophenol derivatives as starting materials and the products thus obtained were confirmed by 1H-NMR and MS. The title compounds were screened against Staphylococcus aureus, Escherichia coli, Candida albicans and Candida glabrata (yeast) and it was discovered that these compounds displayed antimicrobial activity in comparison with Trimethoprim and Miconazole.

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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, Research Support, Non-U.S. Gov’t, Journal of Organic Chemistry called Catalytic Direct α-Amination of Arylacetic Acid Synthons with Anilines, Author is Kumar, Jogendra; Suresh, Eringathodi; Bhadra, Sukalyan, the main research direction is regiospecific amination arylacetic acid synthon aniline benzazole transformation.Product Details of 6797-13-3.

A unique α-amination approach using various anilines has been developed for arylacetic acids via adaptation as benzazoles. The reaction proceeds through a single electron transfer mechanism utilizing an iron-based catalyst system to access α-(N-arylamino)acetic acid equivalent Modification of approved drugs, facile cleavage of the benzazole auxiliary, and tolerance of amide linkage forming conditions constitute the potential applicability of this strategy.

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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Application In Synthesis of 1-(Furan-2-yl)propan-1-one. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 1-(Furan-2-yl)propan-1-one, is researched, Molecular C7H8O2, CAS is 3194-15-8, about Low molecular weight ingredients of smoked flavor preparations. Author is Baltes, Werner; Soechtig, Ingeborg.

The composition of 12 smoke flavor preparations from different manufacturers was determined by gas chromatog. on glass capillary columns. Of 70 compounds identified by mass spectrometry, the most important representatives of the phenolic fraction were determined quant. Sensory qualities of some characteristic compounds are described.

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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: 1-(Furan-2-yl)propan-1-one, is researched, Molecular C7H8O2, CAS is 3194-15-8, about Yeast vitality and beer quality.Computed Properties of C7H8O2.

The relationship between yeast vitality and beer quality was studied through fermentation and storage tests on a pilot scale. The yeast vitality was determined precisely by measuring the intracellular pH value. Clear fluctuations in yeast vitality were seen in dependence of the storage temperature of the yeast. The critical value was a storage temperature of 4°. Corresponding to the yeast vitality there were clear differences in the fermentation speed and FAN consumption. The brightening of the wort with fermentation and the concentration of the vicinal diketone of the beer were influenced in such cases by the vitality of the yeast used for fermentation The beer froth was poorer and also the concentration of medium chain fatty acids and the protease activity of the beer increased when less vital yeast was used.

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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: 1-(Furan-2-yl)propan-1-one, is researched, Molecular C7H8O2, CAS is 3194-15-8, about Rh/Cu-Catalyzed Ketone β-Functionalization by Merging Ketone Dehydrogenation and Carboxyl-Directed C-H Alkylation, the main research direction is rhodium copper catalyzed ketone dehydrogenation carbon hydrogen alkylation; dehydrogenation alkylation ketone carboxylic acid TEMPO agent.Electric Literature of C7H8O2.

An efficient Rh/Cu-catalyzed method has been developed for the direct β-arylation or alkenylation of ketones using (hetero)aryl or alkenyl carboxylic acids as coupling partners. This direct ketone β-functionalization reaction proceeded via the merging of Cu-catalyzed ketone dehydrogenative desaturation and Rh-catalyzed carboxyl-directed C-H alkylation, exhibiting a broad substrate scope for both coupling partners. TEMPO proved to be essential for both dehydrogenation process and generation of the active Rh catalyst for C-H activation.

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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

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.Madruga, Marta Suely; Mottram, Donald S. researched the compound: 1-(Furan-2-yl)propan-1-one( cas:3194-15-8 ).Related Products of 3194-15-8.They published the article 《The effect of pH on the formation of volatile compounds produced by heating a model system containing 5′-IMP and cysteine》 about this compound( cas:3194-15-8 ) in Journal of the Brazilian Chemical Society. Keywords: IMP cysteine heating pH volatile compound. We’ll tell you more about this compound (cas:3194-15-8).

The identification of volatile compounds formed from the reactions of Inosine-5′-Monophosphate (5′-IMP) with Cysteine at three different pH (3.0; 4.5; 6.0) and 140 °C were performed using dynamic headspace anal. The results gave over 90 volatile compounds, mainly heterocyclic compounds, including sulfur containing furans, thiophenes, thiazoles, furans, alkyl sulfides, bicyclic compounds and cyclic sulfides. The studies showed that sulfur-substituted furans, mercaptoketones and alkylfurans were formed mainly at acidic pH, while pyrazines were completely inhibited at high pH. These findings support an earlier observation that pH has a great influence on volatile compounds formed in Maillard type reactions.

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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Quality Control of 2-Mercapto-5-methylbenzimidazole. 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-Mercapto-5-methylbenzimidazole, is researched, Molecular C8H8N2S, CAS is 27231-36-3, about Synthesis, characterization, and biological activities of homo- and heterobimetallic complexes of Sn(IV) and Pd(II) with 2-mercapto-5-methylbenzimidazole. Author is Rafiq, M.; Ali, S.; Shahzadi, S.; Shahid, M.; Sharma, S. K.; Qanungo, K..

Organotin complexes have been synthesized by refluxing 2-mercapto-5-methylbenzimidazole with R2SnCl2/R3SnCl (R = Me, n-Bu, Ph) in 1:1 molar ratio in the first step. In the second step, synthesized organotin(IV) complexes were treated with CS2 and R2SnCl2/R3SnCl/PdCl2 to yield homo- and heterobimetallic complexes. The composition of the synthesized complexes, the bonding behavior of the donor groups, and structural assignments were studied by elemental anal. and different spectral techniques, including IR and multinuclear NMR (1H, 13C). The IR data shows bidentate nature of the ligand which is also confirmed by semiempirical study, while NMR data confirms the four-coordinated geometry in solution The free ligand and its resp. homo- and heterobimetallic complexes were screened in vitro against a number of microorganisms to assess their biocidal properties. The biol. activity data show that complexes exhibits significant antibacterial and antifungal activities as compared to ligand with few exceptions.

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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: 3194-15-8, is researched, SMILESS is O=C(C1=CC=CO1)CC, Molecular C7H8O2Journal, Article, Research Support, Non-U.S. Gov’t, Organic Letters called Enantioselective Metal-Free Hydrogenations of Disubstituted Quinolines, Author is Zhang, Zhenhua; Du, Haifeng, the main research direction is quinoline chiral diene derived borane enantioselective diastereoselective hydrogenation catalyst; tetrahydroquinoline stereoselective preparation.Product Details of 3194-15-8.

A metal-free hydrogenation of 2,4-disubstituted quinolines was realized for the first time using chiral diene derived borane catalysts to furnish the corresponding tetrahydroquinolines in 75-98% yields with 95/5-99/1 dr’s and 86-98% ee’s. This catalytic system was also effective for 2,3-disubstituted quinolines to give moderate to good ee’s.

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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

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 Catalytic Direct Cyanomethylenation of C(sp3)-H Bonds via A One-Step Double C-C Bond Formation, published in , which mentions a compound: 6797-13-3, mainly applied to benzoxazolyl arylacrylonitrile diastereoselective preparation; arylmethyl benzoxazole DMF trimethylsilyl cyanide cyanomethylenation catalyst palladium copper; benzothiazolyl arylacrylonitrile diastereoselective preparation; benzothiazole arylmethyl DMF trimethylsilyl cyanide cyanomethylenation catalyst palladium copper; oxo aryl arylbutenenitrile diastereoselective preparation; aryl arylethanone DMF trimethylsilyl cyanide cyanomethylenation catalyst palladium copper, Application In Synthesis of 2-Ethylbenzo[d]oxazole.

An elegant and catalytic procedure for the one-step cyanomethylenation of C(sp3)-H bonds adjacent to benzazoles and ketones was described herein using DMF as a C-1 unit and TMSCN as the cyanide source. The copper mediated reaction between DMF and TMSCN gave a cyanomethylene radical intermediate that reacts with 2-alkylbenzazoles or alkylketones to furnish desired cyanomethylenated compounds I [R = Me, Ph, 4-MeOC6H4, etc.; R3 = H, 5-Cl, 6-Me, etc.; X = O, S] and II [R1 = Ph, 4-MeOC6H4, 4-BrC6H4 etc.; R2 = Ph, 4-BrC6H4, 4-O2NC6H4] under palladium catalysis. Subsequent interconversion of cyanomethylenated products I and II has made the protocol synthetically attractive.

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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem

Lozanova, H. S.; Vassilev, G. N. published the article 《Synthesis and growth-regulating activity of some new 2-(β-ketopropyl)-mercaptobenzimidazols and their oximes》. Keywords: benzimidazolyl mercapto propanone preparation growth regulator herbicide; propanone oxime benzimidazole mercapto preparation growth regulator herbicide.They researched the compound: 2-Mercapto-5-methylbenzimidazole( cas:27231-36-3 ).Application of 27231-36-3. 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:27231-36-3) here.

A new original method for synthesis of some 2-(β-ketopropyl)-mercaptobenzimidazols and their oximes is reported. The procedure is easy to perform and gives a possibility to variate the substituents. The substances have inhibiting activity to both test-objects in concentration 10-3 mol dm-3 and high stimulating activity to monocotyledonous test wheat.

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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem