Tag: 100-200

In 2005,Baxendale, Ian R.; Ley, Steven V. published 《Formation of 4-Aminopyrimidines via the Trimerization of Nitriles Using Focused Microwave Heating》.Journal of Combinatorial Chemistry published the findings.COA of Formula: C8H6BrN The information in the text is summarized as follows:

A series of substituted aliphatic nitriles have been trimerized to their corresponding pyrimidine structures under solvent-free conditions in the presence of catalytic quantities of potassium tert-butoxide using a focused microwave reactor. Multigram quantities of the corresponding 4-amino pyrimidine derivatives have been prepared in high yields and purity following a simple and scaleable protocol. In addition to this study using 2-(3-Bromophenyl)acetonitrile, there are many other studies that have used 2-(3-Bromophenyl)acetonitrile(cas: 31938-07-5COA of Formula: C8H6BrN) was used in this study.

According to other reports, 2-(3-Bromophenyl)acetonitrile(cas: 31938-07-5) is used in the preparation of diarylpyrimidines (DAPYs) as HIV-1 non-nucleoside reverse transcriptase inhibitors.COA of Formula: C8H6BrN

Referemce:
Nitrile – Wikipedia,
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《A Novel Water-Dispersible/Magnetically Recyclable Pd Catalyst for C-C Cross-Coupling Reactions in Pure Water》 was written by Sobhani, Sara; Habibollahi, Azam; Zeraatkar, Zohre. Recommanded Product: 4-FluorobenzonitrileThis research focused onwater magnetic recyclable palladium catalyst coupling Hiyama Suzuki. The article conveys some information:

A novel water-dispersible magnetically recyclable Pd heterogeneous catalyst, denoted as Pd-γ-Fe2O3-2-ATP-TEG-MME, was initially synthesized and then characterized by diverse methods such as FTIR, TEM, TGA, XPS, VSM, ICP, and elemental anal. The new catalyst was used as a water-dispersible/magnetically separable Pd heterogeneous catalyst for C-C cross-coupling reactions including cyanation of aryl halides, fluoride-free Hiyama and Suzuki reactions in neat water. By using this approach numerous arylcyanides and biaryls were synthesized in good to high yields via the reaction of aryl iodides, bromides, and chlorides (far more extensively available and cheaper than aryl iodides and bromides) with K4[Fe(CN)6]·3H2O, triethoxyphenylsilane, or Ph boronic acid, resp. The presence of triethylene glycol tags with hydrophilic character on the Pd-complex supported on magnetic nanoparticles provides dispersion of the catalyst particles in water, which leads to both higher catalytic performance and also facile catalyst recovery and reuse by successive extraction and final magnetic separation Using water as a green solvent, high turnover number (TON), facile catalyst recovery and reuse, simple workup, and not requiring any additive make this method an ecofriendly protocol for the C-C cross-coupling reactions.4-Fluorobenzonitrile(cas: 1194-02-1Recommanded Product: 4-Fluorobenzonitrile) was used in this study.

4-Fluorobenzonitrile(cas: 1194-02-1) is used as chemical intermediate, solvent for perfumes and pharmaceuticals, stabilizer for chlorinated solvents, HPLC analysis, catalyst and component of transition-metal complex catalysts.Recommanded Product: 4-Fluorobenzonitrile

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Name: 4-BromobenzonitrileIn 2020 ,《Regioselective Hydroalkylation and Arylalkylation of Alkynes by Photoredox/Nickel Dual Catalysis: Application and Mechanism》 was published in Angewandte Chemie, International Edition. The article was written by Yue, Huifeng; Zhu, Chen; Kancherla, Rajesh; Liu, Fangying; Rueping, Magnus. The article contains the following contents:

Alkynes are an important class of organic mols. due to their utility as versatile building blocks in synthesis. Although efforts have been devoted to the difunctionalization of alkynes, general and practical strategies for the direct hydroalkylation and alkylarylation of terminal alkynes under mild reaction conditions are less explored. Herein, a photoredox/nickel dual-catalyzed anti-Markovnikov-type hydroalkylation of terminal alkynes as well as a one-pot arylalkylation of alkynes with alkyl carboxylic acids and aryl bromides via a three-component cross-coupling has been discussed. The results indicate that the transformations proceed via a new mechanism involving a single-electron transfer with subsequent energy-transfer activation pathways. Moreover, steady-state and time-resolved fluorescence-spectroscopy measurements, d. functional theory (DFT) calculations, and wavefunction anal. have been performed to give an insight into the catalytic cycle. In addition to this study using 4-Bromobenzonitrile, there are many other studies that have used 4-Bromobenzonitrile(cas: 623-00-7Name: 4-Bromobenzonitrile) was used in this study.

4-Bromobenzonitrile(cas: 623-00-7) has been used in the synthesis of 4-iodobenzonitrile via photo-induced aromatic Finkelstein iodination reaction.Name: 4-Bromobenzonitrile It can also be used as an aryl halide test compound in developing greener reaction conditions for Suzuki cross-coupling between aryl halides and phenyl boronic acid.

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Reference of 4-Cyanobenzyl bromideIn 2019 ,《A Facile Synthesis of Substituted 2-(5-(Benzylthio)-1,3,4-oxadiazol-2-yl)pyrazine Using Microwave Irradiation and Conventional Method with Antioxidant and Anticancer Activities》 appeared in Journal of Heterocyclic Chemistry. The author of the article were Patil, Sanjeev R.; Sarkate, Aniket P.; Karnik, Kshipra S.; Arsondkar, Ashish; Patil, Vrushali; Sangshetti, Jaiprakash N.; Bobade, Anil S.; Shinde, Devanand B.. The article conveys some information:

A series of novel substituted 2-(5-(benzylthio)-1,3,4-oxadiazol-2-yl)pyrazine derivatives I (X = 2,4-Cl2, 3-MeO, 4-NO2, etc.) was synthesized under microwave irradiation and conventional conditions with less reaction time with good to excellent yields. All the synthesized compounds I were screened for antioxidant and anticancer activities. Out of the 14 prepared derivatives, compounds I (X = H, 3-F) were most potent and active with antioxidant and anticancer activities, resp. Also, the developed technique was simple, easy, and less time consuming. The experimental part of the paper was very detailed, including the reaction process of 4-Cyanobenzyl bromide(cas: 17201-43-3Reference of 4-Cyanobenzyl bromide)

4-Cyanobenzyl bromide(cas: 17201-43-3) can reacts with 2H-tetrazole in the presence of KOH to yield 4-[(2H-tetra-zol-2-yl)methyl]benzonitrile. And it may be used in the synthesis of ligands containing a chelating pyrazolyl-pyridine group with a pendant aromatic nitrile.Reference of 4-Cyanobenzyl bromide

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Ibis, Kubra; Nalbat, Esra; Caliskan, Burcu; Kahraman, Deniz Cansen; Cetin-Atalay, Rengul; Banoglu, Erden published an article in 2021. The article was titled 《Synthesis and biological evaluation of novel isoxazole-piperazine hybrids as potential anti-cancer agents with inhibitory effect on liver cancer stem cells》, and you may find the article in European Journal of Medicinal Chemistry.Product Details of 17201-43-3 The information in the text is summarized as follows:

A series of isoxazole-piperazine analogs I (R = 2-Me, 4-Cl, 3-CN, etc.) and II (R1 = 2-Me, 3-Me, 2-F, 3-F; R2 = ((4-(4-(trifluoromethyl)benzyl)piperazin-1-yl), (4-(furan-2-carbonyl)piperazin-1-yl), (1-benzylpiperidin-4-yl)amino), etc.) were prepared, screened for their antiproliferative potential against hepatocellular carcinoma (HCC; Huh7/Mahlavu) and breast (MCF-7) cancer cells and demonstrated potent to moderate cytotoxicity with IC50 values in the range of 0.09-11.7μM. Further biol. studies with I (R1 = H) and II (R = 3-F; X = (4-(4-(trifluoromethyl)benzyl)piperazin-1-yl)) in HCC cells have shown that both compounds induced G1 or G2/M arrests resulting in apoptotic cell death. Subsequent anal. of proteins involved in cell cycle progression as well as proliferation of HCC cells revealed that these 2 compounds may affect cellular survival pathways differently depending on the mutation profiles of cells (p53 and PTEN) and epidermal/mesenchymal characteristics. Lastly, authors have demonstrated the potential anti-stemness properties of these compounds was demonstrated in which the proportion of liver CSCs in Huh7 cells (CD133+/EpCAM+) were significantly reduced by I (R1 = H) and II (R = 3-F; X = (4-(4-(trifluoromethyl)benzyl)piperazin-1-yl)). Furthermore, both compounds caused a significant reduction in expression of stemness markers, NANOG or OCT4 proteins, in Mahlavu and Huh7 cells, as well as resulted in a decreased sphere formation capacity in Huh7 cells.4-Cyanobenzyl bromide(cas: 17201-43-3Product Details of 17201-43-3) was used in this study.

4-Cyanobenzyl bromide(cas: 17201-43-3) is an important intermediate for pharmaceutical production. It can be used for the synthesis of a series of piperidine-linked aromatic diimidazolines, which have been synthesized as conformationally restricted congeners of the anti-Pneumocystis carinii (PCP) drug, Pentamidine.Product Details of 17201-43-3

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Nitrile – Wikipedia,
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《Enantioselective Three-Component Fluoroalkylarylation of Unactivated Olefins through Nickel-Catalyzed Cross-Electrophile Coupling》 was written by Tu, Hai-Yong; Wang, Fang; Huo, Liping; Li, Yuanbo; Zhu, Shengqing; Zhao, Xian; Li, Huan; Qing, Feng-Ling; Chu, Lingling. Category: nitriles-buliding-blocks And the article was included in Journal of the American Chemical Society in 2020. The article conveys some information:

A nickel-catalyzed, enantioselective, three-component fluoroalkylarylation of unactivated alkenes with aryl halides and perfluoroalkyl iodides has been described. This cross-electrophile coupling protocol utilizes a chiral nickel/BiOx system as well as a pendant chelating group to facilitate the challenging three-component, asym. difunctionalization of unactivated alkenes, providing direct access to valuable chiral β-fluoroalkyl arylalkanes with high efficiency and excellent enantioselectivity. The mild conditions allow for a broad substrate scope as well as good functional group toleration. Thus, e.g., allylic ester I + 5-bromo-2-(trifluoromethyl)pyrimidine + IC4F9 → II (87%, 94:6 er). In the experiment, the researchers used 4-Bromobenzonitrile(cas: 623-00-7Category: nitriles-buliding-blocks)

4-Bromobenzonitrile(cas: 623-00-7) has been used in the synthesis of 4-iodobenzonitrile via photo-induced aromatic Finkelstein iodination reaction.Category: nitriles-buliding-blocks It can also be used as an aryl halide test compound in developing greener reaction conditions for Suzuki cross-coupling between aryl halides and phenyl boronic acid.

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

The author of 《Triphenylbismuth Dichloride-Mediated Conversion of Thioamides to Nitriles》 were Gopi, Elumalai; Gravel, Edmond; Doris, Eric. And the article was published in European Journal of Organic Chemistry in 2019. Related Products of 1194-02-1 The author mentioned the following in the article:

Thioamides RC(S)NH2 (R = 4-BrC6H4, Ph, 1-naphthyl, pyridin-4-yl, etc.) were efficiently converted to nitriles RCN using the pentavalent triphenylbismuth dichloride in combination with triethylamine. The reaction involved the dehydrosulfurization of primary thioamides to afford substituted aromatic or aliphatic nitriles in good to excellent yields. The process was also successfully extended to the synthesis of cyanamides R1XCN (R1 = Ph, 2-methoxyphenyl; X = NH, NMe) starting from the corresponding thioureas R1XC(S)NH2 and of thiocyanates R1XCN (R1 = 3-methoxyphenyl; X = S) from dithiocarbamates R1XC(S)NH2. In addition to this study using 4-Fluorobenzonitrile, there are many other studies that have used 4-Fluorobenzonitrile(cas: 1194-02-1Related Products of 1194-02-1) was used in this study.

4-Fluorobenzonitrile(cas: 1194-02-1) is used as chemical intermediate, solvent for perfumes and pharmaceuticals, stabilizer for chlorinated solvents, HPLC analysis, catalyst and component of transition-metal complex catalysts.Related Products of 1194-02-1

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

In 2014,Mentese, E.; Yilmaz, F.; Karaali, N.; Ulker, S.; Kahveci, B. published 《Rapid synthesis and lipase inhibition activity of some new benzimidazole and perimidine derivatives》.Russian Journal of Bioorganic Chemistry published the findings.Product Details of 31938-07-5 The information in the text is summarized as follows:

Synthesis of new series of some benzimidazoles I (R = 3,4-Cl2C6H3CH2, 2,4-Cl2C6H3CH2, 2,6-Cl2C6H3CH2, etc.), bisbenzimidazoles II and perimidine derivatives III via microwave technique, which, leads to the good product yields and short reaction times is presented. These compounds were screened for their lipase inhibition activity. All compounds were evaluated with regard to pancreatic lipase activity, and some of the 2-substituted perimidines, bisperimidine and bisbenzimidazole derivatives showed lipase inhibition at various concentrations In the experimental materials used by the author, we found 2-(3-Bromophenyl)acetonitrile(cas: 31938-07-5Product Details of 31938-07-5)

According to other reports, 2-(3-Bromophenyl)acetonitrile(cas: 31938-07-5) is used in the preparation of diarylpyrimidines (DAPYs) as HIV-1 non-nucleoside reverse transcriptase inhibitors.Product Details of 31938-07-5

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

In 2004,Wityak, John; Hobbs, Frank W.; Gardner, Daniel S.; Santella, Joseph B.; Petraitis, Joseph J.; Sun, Jung-Hui; Favata, Margaret F.; Daulerio, Andrea J.; Horiuchi, Kurumi Y.; Copeland, Robert A.; Scherle, Peggy A.; Jaffe, Bruce D.; Trzaskos, James M.; Magolda, Ronald L.; Trainor, George L.; Duncia, John V. published 《Beyond U0126. Dianion chemistry leading to the rapid synthesis of a series of potent MEK inhibitors》.Bioorganic & Medicinal Chemistry Letters published the findings.HPLC of Formula: 31938-07-5 The information in the text is summarized as follows:

Employing phenylmalonitrile dianion chem., a large number of analogs of MEK inhibitor lead SH053 (IC50=140 nM) were rapidly synthesized leading to single digit nM inhibitors, displaying submicromolar AP-1 transcription inhibition in COS-7 cells. Pyridine compound, exhibiting a MEK IC50=12 nM showed i.p. activity in a TPA-induced ear edema model with an ED50=5 mg/kg. The experimental process involved the reaction of 2-(3-Bromophenyl)acetonitrile(cas: 31938-07-5HPLC of Formula: 31938-07-5)

According to other reports, 2-(3-Bromophenyl)acetonitrile(cas: 31938-07-5) is used in the preparation of diarylpyrimidines (DAPYs) as HIV-1 non-nucleoside reverse transcriptase inhibitors.HPLC of Formula: 31938-07-5

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

《Fragment-Based Approaches to the Development of Mycobacterium tuberculosis CYP121 Inhibitors》 was written by Kavanagh, Madeline E.; Coyne, Anthony G.; McLean, Kirsty J.; James, Guy G.; Levy, Colin W.; Marino, Leonardo B.; de Carvalho, Luiz Pedro S.; Chan, Daniel S. H.; Hudson, Sean A.; Surade, Sachin; Leys, David; Munro, Andrew W.; Abell, Chris. Application of 31938-07-5This research focused ontriazolyl phenol derivative preparation tuberculostatic development Mycobacterium CYP121 inhibitor. The article conveys some information:

The essential enzyme CYP121 is a target for drug development against antibiotic resistant strains of Mycobacterium tuberculosis. A triazol-1-yl phenol fragment 1 was identified to bind to CYP121 using a cascade of biophys. assays. Synthetic merging and optimization of 1 produced a 100-fold improvement in binding affinity, yielding lead compound 2 (KD = 15 μM). Deconstruction of 2 into its component retrofragments allowed the group efficiency of structural motifs to be assessed, the identification of more LE scaffolds for optimization and highlighted binding affinity hotspots. Structure-guided addition of a metal-binding pharmacophore onto LE retrofragment scaffolds produced low nanomolar (KD = 15 nM) CYP121 ligands. Elaboration of these compounds to target binding hotspots in the distal active site afforded compounds with excellent selectivity against human drug-metabolizing P450s. Anal. of the factors governing ligand potency and selectivity using X-ray crystallog., UV-vis spectroscopy, and native mass spectrometry provides insight for subsequent drug development. In the part of experimental materials, we found many familiar compounds, such as 2-(3-Bromophenyl)acetonitrile(cas: 31938-07-5Application of 31938-07-5)

2-(3-Bromophenyl)acetonitrile(cas: 31938-07-5) has been used in the synthesis of a series of aminoethylbiphenyls, novel 5-HT7 receptor ligands or 2-(1-cyano-1-(3-bromophenyl))methylidene-3-phenylthiazolidine-4,5-dione.Application of 31938-07-5

Referemce:
Nitrile – Wikipedia,
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