Category: 623-00-7

《L-Methionine-Pd complex supported on hercynite as a highly efficient and reusable nanocatalyst for C-C cross-coupling reactions》 was written by Mohammadi, Masoud; Ghorbani-Choghamarani, Arash. COA of Formula: C7H4BrN And the article was included in New Journal of Chemistry in 2020. The article conveys some information:

A ”green” method was suggested for the synthesis of hercynite magnetic nanoparticles (MNPs) as a novel heterogeneous catalytic support to immobilize homogeneous complexes, L-Methionine-Pd was immobilized on the surface of hercynite MNPs by a simple, rapid, and convenient route. The structure and composition of the prepared Hercynite@L-Methionine-Pd MNPs were characterized by X-ray diffraction spectroscopy, energy-dispersive X-ray spectroscopy, inductively coupled plasma-optical emission spectrometry, SEM, X-ray mapping, thermogravimetric anal. and vibrating-sample magnetometry (VSM). Besides, they were applied as green nanocatalysts for Suzuki and Heck cross-coupling reactions. Hercynite@L-Methionine-Pd MNPs offer several advantages (simple synthetic method under green conditions, thermal and chem. stability during organic reactions, short reaction times, high yields of products, excellent selectivity and easy work-up procedure). Moreover, the recycled nanocatalyst was reused for at least five cycles with no significant loss of activity. The hot filtration test indicated heterogeneous catalysis for Suzuki and Heck cross-coupling reactions. This work is useful for the development and application of a magnetically recoverable Pd nanocatalyst on the basis of green-chem. principles. After reading the article, we found that the author used 4-Bromobenzonitrile(cas: 623-00-7COA of Formula: C7H4BrN)

4-Bromobenzonitrile(cas: 623-00-7) is classified as organic nitriles, which are commonly use solvents and are reacted further for various applications such as manufacture of polymers and intermediates for pharmaceuticals and other organic chemicals,COA of Formula: C7H4BrN 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

《Palladium-catalyzed cyanation of aryl halides with in situ generated CN- from ClCF2H and NaNH2》 was published in Organic Chemistry Frontiers in 2020. These research results belong to Yu, Changjiang; Ma, Xingxing; Song, Qiuling. Product Details of 623-00-7 The article mentions the following:

An efficient Pd-catalyzed cyanation of aryl halides with in situ generated CN- anions is described. The CN- source stems from the quadruple cleavage of chlorodifluoromethane (ClCF2H) with sodium amide (NaNH2). This transformation features no requirement of a toxic CN source and avoids the problem of HCN generation associated with traditional methods. A series of aryl nitriles are obtained from aryl halides in good yields under mild reaction conditions. After reading the article, we found that the author used 4-Bromobenzonitrile(cas: 623-00-7Product Details of 623-00-7)

4-Bromobenzonitrile(cas: 623-00-7) is classified as organic nitriles, which are commonly use solvents and are reacted further for various applications such as manufacture of polymers and intermediates for pharmaceuticals and other organic chemicals,Product Details of 623-00-7 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

《One-pot synthesis of bio-supported Pd nanoparticles by using clove leaf and their catalytic performance for Suzuki coupling reaction》 was published in Journal of Molecular Structure in 2020. These research results belong to Wang, Zhen; Bai, Xuefeng. Electric Literature of C7H4BrN The article mentions the following:

Bio-supported palladium nanoparticles (PdNPs/RCL-b) were synthesized by one-pot method without adding any chem. reducing and stabilizing agents. In the preparation process, Clove leaf (CL) was used as carrier, reducing and stabilizing agents. The extraction of reducing compounds from CL, the reduction and stabilization of Pd2+, and palladium nanoparticles (PdNPs) loading on the extraction residue of CL (RCL) were accomplished simultaneously, avoiding the agglomeration of PdNPs and ensuring PdNPs loading evenly on RCL. The prepared PdNPs/RCL-b catalysts were characterized by XRD, UV-Vis, Micro-IR spectroscopy, FT-IR and TEM. The hydroxyl groups and other reductive groups which exist in polyphenols and flavonoids reduced Pd2+ to PdNPs, while the C=O, C-O and other groups containing O served as good protective agents and stabilizers for the formation of PdNPs. The PdNPs had a face-centered cubic structure with a particle size distribution of 1.26-8.78 nm and an average particle size of 4.49 nm, and uniformly dispersed on the surface of RCL. The results of catalytic Suzuki coupling reaction between 4-bromonitrobenzene and phenylboronic acid over PdNPs/RCL-b at 60°C showed that the yield was 96.22% for 20 min and the value of TOF was 5773.2 h-1. After the reaction between 4-bromotoluene and phenylboronic acid repeated for 8 times, the yield remains above 91%. This method provides a more facile, efficient and green approach to the preparation of supported nano-palladium catalysts. After reading the article, we found that the author used 4-Bromobenzonitrile(cas: 623-00-7Electric Literature of C7H4BrN)

4-Bromobenzonitrile(cas: 623-00-7) is classified as organic nitriles, which are commonly use solvents and are reacted further for various applications such as manufacture of polymers and intermediates for pharmaceuticals and other organic chemicals,Electric Literature of C7H4BrN 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 《Magnetic MCM-41 nanoparticles as a support for the immobilization of a palladium organometallic catalyst and its application in C-C coupling reactions》 were Tahmasbi, Bahman; Ghorbani-Choghamarani, Arash. And the article was published in New Journal of Chemistry in 2019. Application of 623-00-7 The author mentioned the following in the article:

In this study, the surface of magnetic MCM-41 nanoparticles (MCM-41/Fe3O4) was modified by 3-aminopropyltriethoxysilane (APTES) and further, 1-methylimidazole was anchored on their surface using cyanuric chloride as a linker. Then, Pd2+ ions were immobilized on the surface of the modified MCM-41/Fe3O4 (Pd-imi-CC@MCM-41/Fe3O4), and its application was studied as a magnetically recyclable nanocatalyst in carbon-carbon coupling reactions between a wide range of aryl halides and Bu acrylate, Me acrylate, acrylonitrile, phenylboronic acid, or 3,4-difluorophenylboronic acid under the conditions of a phosphine-free ligand and an air atm. This catalyst has the advantages of both the Fe3O4 nanoparticles and mesoporous MCM-41. The structure of the catalyst was characterized via TEM, SEM, EDS, WDX, N2 adsorption-desorption isotherm, XRD, TGA, FT-IR, and AAS. Also, the recovered catalyst was characterized via SEM, AAS and FT-IR. All the products from the carbon-carbon coupling reaction were obtained with excellent yields and high TON and TOF values, which indicate the high efficiency and activity of this catalyst. The selectivity of this catalyst was studied with various aryl halides bearing different functional groups. Furthermore, the heterogeneity and stability of Pd-imi-CC@MCM-41/Fe3O4 was studied via AAS, and leaching and poisoning tests. According to the results, this heterogeneous catalyst can be reused several times. In the experiment, the researchers used many compounds, for example, 4-Bromobenzonitrile(cas: 623-00-7Application of 623-00-7)

4-Bromobenzonitrile(cas: 623-00-7) has been used in the synthesis of 4-iodobenzonitrile via photo-induced aromatic Finkelstein iodination reaction.Application of 623-00-7 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

Niakan, Mahsa; Masteri-Farahani, Majid; Karimi, Sabah; Shekaari, Hemayat published an article in 2021. The article was titled 《Hydrophilic role of deep eutectic solvents for clean synthesis of biphenyls over a magnetically separable Pd-catalyzed Suzuki-Miyaura coupling reaction》, and you may find the article in Journal of Molecular Liquids.Electric Literature of C7H4BrN The information in the text is summarized as follows:

In the present work, a heterogeneous Pd catalyst was synthesized through a green method and deep eutectic solvents (DESs) as green reaction media were used. In order to prepare the catalyst, magnetite-graphene oxide nanocomposite was modified with cellulose via the click reaction and applied as support for Pd nanoparticles. Cellulose acted as both reducing and stabilizing agent for Pd nanoparticles and eliminated the requirement of a reducing agent. The prepared catalyst was characterized by different methods such as FT-IR, EDX, EDX-mapping, XPS, SEM, TEM, XRD, VSM and ICP-OES analyses. Catalytic properties of the obtained catalyst was explored in the Suzuki-Miyaura coupling reaction of aryl halides with aryl boronic acids to afford biphenyls R-R1 [R = Ph, 2-MeC6H4, 4-HOC6H4, etc.; R1 = Ph, 2-thienyl, 4-MeC6H4, 4-O2NC6H4] in different hydrophilic and hydrophobic DESs. The presence of cellulose with hydrophilic character on the structure of catalyst offered well dispersion of the catalyst in hydrophilic DESs, which led to enhancement of its catalytic activity. This simple and new separation strategy provided a clean and highly efficient synthetic methodol. for the synthesis of various biphenyls. In the part of experimental materials, we found many familiar compounds, such as 4-Bromobenzonitrile(cas: 623-00-7Electric Literature of C7H4BrN)

4-Bromobenzonitrile(cas: 623-00-7) has been used in the synthesis of 4-iodobenzonitrile via photo-induced aromatic Finkelstein iodination reaction.Electric Literature of C7H4BrN 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

Name: 4-BromobenzonitrileIn 2022 ,《Characterization of Radioiodinated Diaryl Oxadiazole Derivatives as SPECT Probes for Detection of Myelin in Multiple Sclerosis》 appeared in ACS Chemical Neuroscience. The author of the article were Watanabe, Hiroyuki; Maekawa, Rinka; Iikuni, Shimpei; Kakae, Masashi; Matsuo, Nagisa; Shirakawa, Hisashi; Kaneko, Shuji; Ono, Masahiro. The article conveys some information:

Multiple sclerosis (MS) is an intractable disease of the central nervous system that results from destruction of the myelin sheath. Direct measurement of de- and remyelination is required for monitoring the disease stage of MS, but no useful method has been established. In this study, we characterized four diaryl oxadiazole derivatives as novel myelin-imaging probes for single photon emission computed tomog. (SPECT). All the diaryl oxadiazole derivatives penetrated the blood-brain barrier in normal mice. Among them, the highest ratio of radioactivity accumulation in the white matter (myelin-rich region) against the gray matter (myelin-deficient region) was observed at 60 min postinjection of [125I]1,3,4-PODP-DM in ex vivo autoradiog. using normal mice. In the blocking study with ex vivo autoradiog., the radioactivity accumulation of [125I]1,3,4-PODP-DM in the white matter markedly reduced. [125I]1,3,4-PODP-DM detected demyelination in the ex vivo autoradiog. images of not only the spinal cord of the exptl. autoimmune encephalomyelitis mice but also the brain after lysophosphatidylcholine (LPC) injection. In addition, [123I]1,3,4-PODP-DM could image LPC-induced demyelination in the mouse brain with SPECT. These results suggest that [123I]1,3,4-PODP-DM may be a potential SPECT probe for imaging myelin in MS. 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

In 2019,Organic & Biomolecular Chemistry included an article by Nandi, Jyoti; Leadbeater, Nicholas E.. Name: 4-Bromobenzonitrile. The article was titled 《Visible-light-driven catalytic oxidation of aldehydes and alcohols to nitriles by 4-acetamido-TEMPO using ammonium carbamate as a nitrogen source》. The information in the text is summarized as follows:

A mild and efficient route to prepare nitriles from aldehydes by combining photoredox catalysis with oxoammonium cations was reported. The reaction was performed using ammonium carbamate as the nitrogen source. The practicality of the method was increased by the extension of the dual catalytic system to one-pot two-step conversion of alcs. to nitriles. In the part of experimental materials, we found many familiar compounds, such as 4-Bromobenzonitrile(cas: 623-00-7Name: 4-Bromobenzonitrile)

4-Bromobenzonitrile(cas: 623-00-7) is classified as organic nitriles, which are commonly use solvents and are reacted further for various applications such as manufacture of polymers and intermediates for pharmaceuticals and other organic chemicals,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

In 2019,Cellulose (Dordrecht, Netherlands) included an article by Dong, Yahao; Bi, Jiajun; Zhu, Dajian; Meng, Di; Ming, Shujun; Guo, Wen; Chen, Zhen; Liu, Qian; Guo, Lei; Li, Tao. Recommanded Product: 623-00-7. The article was titled 《Functionalized cellulose with multiple binding sites for a palladium complex catalyst: synthesis and catalyst evaluation in Suzuki-Miyaura reactions》. The information in the text is summarized as follows:

Due to their eco-friendly nature, polysaccharides are desirable supporting materials in organic transformations. Nevertheless, as is the case for other supports, polysaccharides have to face the issue of seeking more binding sites via multifunctional structures to capture metal species in the catalyst, which enhance stability and promote catalytic performance in aforementioned process. In this paper, an environmentally-friendly and multifunctional cellulose supported Pd(II)-Schiff base complex is fabricated and applied in the formation of different biaryls under mild ambient conditions. The results of thermal anal. reveal that the composite has high thermal stability. The as-prepared catalyst demonstrates to be a robust and efficient catalyst with more than 90% yields in H2O: EtOH (1:1) at 70° by using 0.30 mol% of catalyst under air towards the coupling of various substituted aryl halides and phenylboronic acids. Moreover, identified by ICP-OES anal., the green Pd(II) catalyst displays higher metal content (1.93%) in comparison with the direct deposition of Pd particles on cellulose (0.93%), and prevents the metal leaching (< 1%) via the coordination interaction of multiple capturing sites (-OH, Schiff base and pyridyl moieties) with palladium. The resultant catalyst is characterized by FT-IR, TGA, XRD, SEM, TEM, XPS, CP/MAS 13C-NMR, and ICP-OES examination Also, this green catalyst is able to be retrieved in five cycles with simple centrifugation. Notably, the authors propose a plausible multifunctional catalyst complex. The present study offers a novel and effective supported catalyst, which broadens the contributions of polysaccharides in green catalysis. The experimental process involved the reaction of 4-Bromobenzonitrile(cas: 623-00-7Recommanded Product: 623-00-7)

4-Bromobenzonitrile(cas: 623-00-7) is classified as organic nitriles, which are commonly use solvents and are reacted further for various applications such as manufacture of polymers and intermediates for pharmaceuticals and other organic chemicals,Recommanded Product: 623-00-7 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

《Photoactive Metal-Organic Framework for the Reduction of Aryl Halides by the Synergistic Effect of Consecutive Photoinduced Electron-Transfer and Hydrogen-Atom-Transfer Processes》 was written by He, Jiachen; Li, Jie; Han, Qiuxia; Si, Chen; Niu, Guiqin; Li, Mingxue; Wang, Jingping; Niu, Jingyang. Application of 623-00-7 And the article was included in ACS Applied Materials & Interfaces in 2020. The article conveys some information:

Consecutive photoinduced electron transfer (ConPET) has advantages on overcoming the current energetic limitation of visible-light photoredox catalysis for utilizing the energies of two photons in one catalytic cycle. A heterogeneous approach for radical chain reduction of various aryl bromides and chlorides without adding any cocatalyst is introduced by incorporating polyoxometalates (POMs) and amine catalysts into a naphthalenediimide (NDI)-based polymer. CoW-DPNDI-PYI exhibits high activity in the photocatalytic reduction of aryl halides by the synergistic effects of ConPET and hydrogen-atom transfer (HAT) processes and an enzyme-mimicking CO2 cycloaddition reaction. The ConPET process with N,N′-bis(4-pyridylmethyl)naphthalenediimide (DPNDI) facilitates effective solar energy conversion. POMs and amine catalysts, as efficient HAT catalysts and electron donors, improve the generation of ConPET process. The success of this work demonstrates the great application of the synergistic effects of ConPET and HAT processes in heterogeneous photocatalysis C-H arylation. In the experiment, the researchers used many compounds, for example, 4-Bromobenzonitrile(cas: 623-00-7Application of 623-00-7)

4-Bromobenzonitrile(cas: 623-00-7) has been used in the synthesis of 4-iodobenzonitrile via photo-induced aromatic Finkelstein iodination reaction.Application of 623-00-7 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 《Sulfuryl Fluoride Mediated Conversion of Aldehydes to Nitriles》 were Gurjar, Jitendra; Bater, Jorick; Fokin, Valery V.. And the article was published in Chemistry – A European Journal in 2019. Electric Literature of C7H4BrN The author mentioned the following in the article:

Aliphatic, aromatic, and heteroaromatic aldehydes were readily converted to corresponding nitriles in a one-pot reaction sequence with hydroxylamine and sulfuryl fluoride. The reaction proceeds at room temperature, does not require metal catalysts and special precautions, and produces nitriles in excellent yields. It is compatible with a variety of functional groups, can be performed in aqueous and organic solvents, and is readily scalable to multigram quantities. Mild conditions and high selectivity of the reaction enabled the construction of polyfunctional probes containing nitrile, alkyne, azide, and fluorosulfate groups for further orthogonal derivatization. The experimental part of the paper was very detailed, including the reaction process of 4-Bromobenzonitrile(cas: 623-00-7Electric Literature of C7H4BrN)

4-Bromobenzonitrile(cas: 623-00-7) has been used in the synthesis of 4-iodobenzonitrile via photo-induced aromatic Finkelstein iodination reaction.Electric Literature of C7H4BrN 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