Day: April 15, 2022

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, Research Support, N.I.H., Extramural, Science (Washington, DC, United States) called A tautomeric ligand enables directed C-H hydroxylation with molecular oxygen, Author is Li, Zhen; Wang, Zhen; Chekshin, Nikita; Qian, Shaoqun; Qiao, Jennifer X.; Cheng, Peter T.; Yeung, Kap-Sun; Ewing, William R.; Yu, Jin-Quan, which mentions a compound: 3222-47-7, SMILESS is O=C(O)C1=CN=C(C)C=C1, Molecular C7H7NO2, Electric Literature of C7H7NO2.

Hydroxylation of aryl carbon-hydrogen bonds with transition metal catalysts has proven challenging when oxygen is used as the oxidant. Here, we report a palladium complex bearing a bidentate pyridine/pyridone ligand that efficiently catalyzes this reaction at ring positions adjacent to carboxylic acids. IR, x-ray, and computational anal. support a possible role of ligand tautomerization from mono-anionic (L,X) to neutral (L,L) coordination in the catalytic cycle of aerobic carbon-hydrogen hydroxylation reaction. The conventional site selectivity dictated by heterocycles is overturned by this catalyst, thus allowing late-stage modification of compounds of pharmaceutical interest at previously inaccessible sites.

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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

COA of Formula: C10H7F2N3O. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone, is researched, Molecular C10H7F2N3O, CAS is 86404-63-9, about Spectrodensitometric evaluation and determination of fluconazole and its impurities in pharmaceutical formulations by high performance thin layer chromatography. Author is Ramesh, B.; Narayana, P. Sreeman; Reddy, A. Shiva; Devi, P. Sita.

A quant. densitometric HPTLC method was developed and validated for the determination of fluconazole and its structurally related impurities. The separations were accomplished on silica gel 60 F254 plates using a saturated mixture of butanol: water: acetic acid (8:2:1 volume/volume). UV light facilitated the visualization of the active drug substance fluconazole and impurity-e while impurity-b was visible only when exposed to iodine vapors, as dark brown chromatog. zone. Densitometric quantification was performed at λ = 254nm by reflecting scanning and fluconazole (Rr 0.67 ± 0.02) resolved well from the 2 impurities. The standard fluconazole curve is linear (r = > 0.9995) over a concentration range of 1-6 μg/spot. Recovery from tablet formulation was statistically equal to 100%. The limits of detection and quantification were 0.031 and 0.098 μg/spot resp. The precision of the method with respect to concentration is acceptable with a relative standard deviation of 2%. The proposed method is specific for fluconazole in the presence of its structurally related impurities and proved to be a valuable complimentary method for impurity profiling and quality control.

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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone( cas:86404-63-9 ) is researched.Recommanded Product: 1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone.Narayanan, Anjana; Chapman, David R.; Upadhyaya, Subhash P.; Bauer, Ludwig published the article 《Conversion of 4-amino-4H-1,2,4-triazole to 1,3-bis(1H-azol-1-yl)-2-aryl-2-propanols and 1-phenacyl-4-[(benzoyl or 4-toluenesulfonyl)imino]-(1H-1,2,4-triazolium) ylides》 about this compound( cas:86404-63-9 ) in Journal of Heterocyclic Chemistry. Keywords: propanol azolylaryl preparation; fluconazole analog preparation. Let’s learn more about this compound (cas:86404-63-9).

1,3-Bis(1H-azol-1-yl)-2-aryl-2-propanols I (A,B = N, CH; Z = halo) were prepared in a one-pot procedure by reacting 1-aryl-2-(1H-1,2,4-triazol-1-yl)- or 1-aryl-2-(1H-imidazol-1-yl)ethanones with dimethylsulfoxonium methide in the presence of either 1,2,4-triazole or imidazole. The aromatic groups in I were either 4-bromo-, 4-chloro-, 2,4-dichloro- or 2,4-difluorophenyl. 4-Amino-4H-1,2,4-triazole was acylated with either benzoyl or 4-toluenesulfonyl chloride to afford [4-(benzoyl or 4-toluenesulfonyl)amino]-4H-1,2,4-triazole. Subsequent alkylations with 4-bromo- or 4-chlorophenacyl bromide produced 1-(4-bromo- or 4-chlorophenacyl)-4-[(benzoyl- or 4-toluenesulfonyl)amino]-1H-1,2,4-triazolium bromides. Neutralizations of these salts provided the corresponding ylides.

Compounds in my other articles are similar to this one(1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone)Recommanded Product: 1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone, you can compare them to see their pros and cons in some ways,such as convenient, effective and so on.

Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

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 Searching for new agents active against Candida albicans biofilm: A series of indole derivatives, design, synthesis and biological evaluation, published in 2019-03-01, which mentions a compound: 3222-47-7, mainly applied to indole Candida antibiofilm; Candida albicans biofilm; Galleria mellonella; Indole derivatives, Product Details of 3222-47-7.

Candida albicans biofilm represents a major clin. problem due to its intrinsic tolerance to anti-fungal compounds and it has been highly related to infections in catheterized patients. Few compounds are described as able to inhibit biofilm formation or to interfere with preformed biofilm of C. albicans. Here the authors report the in vitro evaluation of anti-biofilm activity on C. albicans ATCC 10231 of a series of new and already known amine and amide indole derivatives Among the studied compounds, fifteen resulted active on C. albicans ATCC 10231 biofilm, with BMIC50 ≤16 μg/mL. Three of them (7, 23 and 33) showed a selectivity towards mature biofilm and the most active of them was the compound 23 (BMIC50 = 4 μg/mL). On the other hands, two different compounds (21 and 22) were selective towards biofilm formation with BMIC50 values of 8 μg/mL. Otherwise, compounds 16 and 17 resulted active on biofilm formation, with BMIC50 of 8 μg/mL and 2 μg/mL resp., and on mature biofilm with BMIC50 of 2 μg/mL. These two last compounds also showed an interesting activity towards the planktonic cells of C. albicans. A selection of the more active compounds was also evaluated on different C. albicans strains (PMC1042, PMC1083 and ATCC 10261), showing a comparable or higher anti-biofilm activity, especially on mature biofilm. In vivo toxicity studies using the Galleria mellonella larvae, were finally carried out on more active indole derivatives, showing that they are poorly toxic even at the highest concentrations tested (500-1000 μg/mL).

Compounds in my other articles are similar to this one(6-Methylnicotinic acid)Product Details of 3222-47-7, you can compare them to see their pros and cons in some ways,such as convenient, effective and so on.

Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

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, Organic Process Research & Development called Process Development of Voriconazole: A Novel Broad-Spectrum Triazole Antifungal Agent, Author is Butters, Mike; Ebbs, Julie; Green, Stuart P.; MacRae, Julie; Morland, Matthew C.; Murtiashaw, Charles W.; Pettman, Alan J., which mentions a compound: 86404-63-9, SMILESS is FC1=CC=C(C(CN2N=CN=C2)=O)C(F)=C1, Molecular C10H7F2N3O, Name: 1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone.

In the synthesis of (2R,3S)-2-(2,4-difluorophenyl)-3-(5-fluoro-4-pyrimidinyl)-1-(1H-1,2,4-triazol-1-yl)-2-butanol (voriconazole), the relative stereochem. is set in the addition of a 4-(1-metalloethyl)-5-fluoropyrimidine derivative to 1-(2,4-difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)-1-ethanone. The diastereocontrol of this reaction has been examined by variation of pyrimidine substitution pattern and by changes in the metalation and reaction conditions. Excellent diastereoselection (12:1) is obtained using an organozinc derivative of 6-(1-bromoethyl)-4-chloro-5-fluoropyrimidine. After removal of the chlorine from the pyrimidine ring, the absolute stereochem. of voriconazole is established via a diastereomeric salt resolution process using (1R)-10-camphorsulfonic acid. Synthetic routes to the pyrimidine partner have also been evaluated. The initial six-step development route from 5-fluorouracil has been superseded by a four-step synthesis involving fluorination of Me 3-oxopentanoate and cyclization with formamidine acetate.

Compounds in my other articles are similar to this one(1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone)Name: 1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone, you can compare them to see their pros and cons in some ways,such as convenient, effective and so on.

Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

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: 6-Methylnicotinic acid, is researched, Molecular C7H7NO2, CAS is 3222-47-7, about Solvent-Dependent Chemoselective and Stereoselective Approach to Synthesis of Spiro-γ-Lactams with Potent Anticancer Activity.Recommanded Product: 3222-47-7.

Chemoselective approaches were developed for derivatizing diastereoselective chromanone spiro-γ-lactams through the Michael-type addition by using amide as a weak nucleophile to construct the spiro-carbon center under basic conditions. To expand the scope of this post-Ugi cascade reaction, a new series of oxidized chromone derivatives Iand II [R1 = H, Me, Cl, etc.; R2 = Ph, 2-thienyl, 1,3-benzodioxol-5-yl, etc.; R3 = 2,6-dimethylphenyl, 4-methoxyphenyl, 1-naphthyl, etc.] was synthesized by altering solvent from EtOH to DMF. Compounds II [R1 = H; R2 = 1,3-benzodioxol-5-yl, 4-nitrophenyl; R3 = 2,6-dimethylphenyl] which could be synthesized in one day, demonstrated comparable anticancer activities with legendary anticancer drug paclitaxel in the PANC and U87 cell lines. This methodol. offers a new approach to construct spiro-carbon centers with functionalized chromanones or chromones under mild reaction conditions.

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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 6-Methylnicotinic acid( cas:3222-47-7 ) is researched.Name: 6-Methylnicotinic acid.Grygorenko, Oleksandr O.; Radchenko, Dmytro S.; Dziuba, Igor; Chuprina, Alexander; Gubina, Kateryna E.; Moroz, Yurii S. published the article 《Generating Multibillion Chemical Space of Readily Accessible Screening Compounds》 about this compound( cas:3222-47-7 ) in iScience. Keywords: amide preparation parallel reaction sequence; amine carboxylic acid acylation deprotection; aryl halide amine carboxylic acid acylation deprotection; alkylating agent amine carboxylic acid acylation deprotection alkylation; triazole preparation; carboxylic acid azide alkyne Click reaction; Chemical Compound; Cheminformatics; Computational Chemistry by Subject. Let’s learn more about this compound (cas:3222-47-7).

An approach to the generation of ultra-large chem. libraries of readily accessible (‘REAL’) compounds is described. The strategy is based on the use of two- or three-step three-component reaction sequences and available starting materials with pre-validated chem. reactivity. After the preliminary parallel experiments, the methods with at least ~80% synthesis success rate (such as acylation – deprotection – acylation of monoprotected diamines e.g., 1-boc-amino-butyl-3-amine or amide formation e.g., N-(9-acetyl-9-azabicyclo[3.3.1]nonan-3-yl)-1H-indazole-3-carboxamide – click reaction with functionalized azides e.g., 3-(azidomethyl)-piperidine) can be selected and used to generate the target chem. space. It is shown that by using only on the two aforementioned reaction sequences, a nearly 29-billion compound library is easily obtained. According to the predicted physico-chem. descriptor values, the generated chem. space contains large fractions of both drug-like and ‘beyond rule-of-five’ members, whereas the strictest lead-likeness criteria (the so-called Churcher’s rules) are met by the lesser part, which still exceeds 22 million.

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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

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: 86404-63-9, is researched, Molecular C10H7F2N3O, about Discovery of highly potent antifungal triazoles by structure-based lead fusion, the main research direction is antifungal triazole.Safety of 1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone.

By means of structure-based lead fusion, a series of novel drug-like azoles possessing 4-(benzyloxy)piperidin-1-yl side chains were rationally designed and synthesized. Flexible mol. docking studies indicated that the newly synthesized azoles took advantages of the key interactions between the two lead structures and CACYP51. As a result, they revealed improved antifungal activity and broader spectrum. All the new azoles showed good to excellent in vitro antifungal activity against all of the tested pathogenic fungi (MIC80 range: 2.33-0.01 μM). Compounds 10a, 10g and 10h, the most active azoles toward Candida albicans (MIC80 = 0.01 μM) are 82 fold more potent than fluconazole. In particular, all the compounds also showed good activity against Aspergillus fumigatus (MIC80 = 2.33-0.55 μM) that is not sensitive to fluconazole.

Compounds in my other articles are similar to this one(1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone)Safety of 1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone, you can compare them to see their pros and cons in some ways,such as convenient, effective and so on.

Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Safety of 1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone. 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-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone, is researched, Molecular C10H7F2N3O, CAS is 86404-63-9, about Synthesis and antifungal activity of 1,2,3-triazole containing fluconazole analogues. Author is Aher, Nilkanth G.; Pore, Vandana S.; Mishra, Nripendra N.; Kumar, Awanit; Shukla, Praveen K.; Sharma, Aanchal; Bhat, Manoj K..

Fluconazole based mimics containing 1,2,3-triazole were designed and synthesized as antifungal agents. Their antifungal activities were evaluated in vitro by measuring the minimal inhibitory concentrations (MICs). Three compounds were found to be more potent against Candida fungal pathogens than control drugs fluconazole and amphotericin B. The studies presented here provide structural modification of fluconazole to give 1,2,3-triazole containing mols. Furthermore, these mols. were evaluated in vivo against Candida albicans i.v. challenge in Swiss mice and antiproliferative activities were tested against human hepatocellular carcinoma Hep3B and human epithelial carcinoma A431. It was found that compound I resulted in 97.4% reduction in fungal load in mice and did not show any profound proliferative effect at lower dose (0.001 mg/mL).

Compounds in my other articles are similar to this one(1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone)Safety of 1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone, you can compare them to see their pros and cons in some ways,such as convenient, effective and so on.

Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Searching for new agents active against Candida albicans biofilm: A series of indole derivatives, design, synthesis and biological evaluation, published in 2019-03-01, which mentions a compound: 3222-47-7, Name is 6-Methylnicotinic acid, Molecular C7H7NO2, SDS of cas: 3222-47-7.

Candida albicans biofilm represents a major clin. problem due to its intrinsic tolerance to anti-fungal compounds and it has been highly related to infections in catheterized patients. Few compounds are described as able to inhibit biofilm formation or to interfere with preformed biofilm of C. albicans. Here the authors report the in vitro evaluation of anti-biofilm activity on C. albicans ATCC 10231 of a series of new and already known amine and amide indole derivatives Among the studied compounds, fifteen resulted active on C. albicans ATCC 10231 biofilm, with BMIC50 ≤16 μg/mL. Three of them (7, 23 and 33) showed a selectivity towards mature biofilm and the most active of them was the compound 23 (BMIC50 = 4 μg/mL). On the other hands, two different compounds (21 and 22) were selective towards biofilm formation with BMIC50 values of 8 μg/mL. Otherwise, compounds 16 and 17 resulted active on biofilm formation, with BMIC50 of 8 μg/mL and 2 μg/mL resp., and on mature biofilm with BMIC50 of 2 μg/mL. These two last compounds also showed an interesting activity towards the planktonic cells of C. albicans. A selection of the more active compounds was also evaluated on different C. albicans strains (PMC1042, PMC1083 and ATCC 10261), showing a comparable or higher anti-biofilm activity, especially on mature biofilm. In vivo toxicity studies using the Galleria mellonella larvae, were finally carried out on more active indole derivatives, showing that they are poorly toxic even at the highest concentrations tested (500-1000 μg/mL).

In some applications, this compound(3222-47-7)SDS of cas: 3222-47-7 is unique.If you want to know more details about this compound, you can contact with the author or consult more relevant literature.

Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics