Tag: 100-200

In 2019,Journal of Materials Chemistry C: Materials for Optical and Electronic Devices included an article by Wang, Yanhui; Zhang, Zhenzhen; Liu, Linxi; Yuan, Shou; Ma, Jie; Liu, Danfeng; Xue, Shanfeng; Sun, Qikun; Yang, Wenjun. Category: nitriles-buliding-blocks. The article was titled 《Cyanophenylcarbazole isomers exhibiting different UV and visible light excitable room temperature phosphorescence》. The information in the text is summarized as follows:

Pure organic luminophores with room temperature phosphorescence (RTP) have been attracting much attention due to their potential applications and academic importance. The development of such materials with visible light-excitability and the understanding of the structure-property relationship are highly desirable. In the current work, the five structural isomers of cyano-substituted phenylcarbazoles with cyano at the para-, meta-, and ortho-position of the Ph ring (PCN, MCN and OCN) and the 2- and 3-position of the carbazole ring (2CN, 3CN) are systematically designed and synthesized. These crystals all have RTP activity under 365 nm UV and 400-460 nm visible light excitation but exhibit different RTP intensities and lifetimes. The crystal packing anal. and quantum chem. calculations as well as low temperature phosphorescence measurements indicate that cyano substitution can greatly enhance intermol. CH···N and CH···π interactions and increase inter-system crossing probability, but the structural isomerism can significantly affect the oxygen quenching effect on RTP. Moreover, 2CN and 3CN crystals with H-aggregation are more favorable for the visible-light excitable RTP. These findings indicate that structural isomerism can tune the crystal packing modes and the visible-light excitable RTP as well as the existence of the direct triplet state population from the ground state. In the experimental materials used by the author, we found 4-Fluorobenzonitrile(cas: 1194-02-1Category: nitriles-buliding-blocks)

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.Category: nitriles-buliding-blocks

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

In 2022,Wu, Yong; Guo, Qing-Hui; Qiu, Yunyan; Weber, Jacob A.; Young, Ryan M.; Bancroft, Laura; Jiao, Yang; Chen, Hongliang; Song, Bo; Liu, Wenqi; Feng, Yuanning; Zhao, Xingang; Li, Xuesong; Zhang, Long; Chen, Xiao-Yang; Li, Hao; Wasielewski, Michael R.; Stoddart, J. Fraser published an article in Proceedings of the National Academy of Sciences of the United States of America. The title of the article was 《Syntheses of three-dimensional catenanes under kinetic control》.Synthetic Route of C8H6BrN The author mentioned the following in the article:

Although catenanes comprising two ring-shaped components can be made in large quantities by templation, the preparation of three-dimensional (3D) catenanes with cage-shaped components is still in its infancy. Here, the design and syntheses of two 3D catenanes by a sequence of SN2 reactions in one pot is reported. The resulting triply mech. interlocked mols. were fully characterized in both the solution and solid states. Mechanistic studies have revealed that a suit[3]ane, which contains a threefold sym. cage component as the suit and a tribromide component as the body, is formed at elevated temperatures This suit[3]ane was identified as the key reactive intermediate for the selective formation of the two 3D catenanes which do not represent thermodn. min. This particular synthetic strategy might be used in the future to guide the rational design and production of mech. interlocked mols. under kinetic control. The experimental part of the paper was very detailed, including the reaction process of 4-Cyanobenzyl bromide(cas: 17201-43-3Synthetic Route of C8H6BrN)

4-Cyanobenzyl bromide(cas: 17201-43-3) is used in the synthesis of ligands containing a chelating pyrazolyl-pyridine group with a pendant aromatic nitrile. It is also useful in the preparation of 4-[(2H-tetra-zol-2-yl)methyl]benzonitrile by reaction with 2H-tetrazole in the presence of potassium hydroxide.Synthetic Route of C8H6BrN

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

The author of 《Targeted synthesis of ionic liquid-polyoxometalate derived Mo-based electrodes for advanced electrochemical performance》 were Chen, Guojian; Zhang, Lei; Zhang, Yadong; Liu, Ke; Long, Zhouyang; Wang, Ying. And the article was published in Journal of Materials Chemistry A: Materials for Energy and Sustainability in 2019. HPLC of Formula: 17201-43-3 The author mentioned the following in the article:

Rational design of advanced electrode materials with high capacity and long cycle stability is a great challenge for both Li and Na storage. The authors report a versatile strategy for the synthesis of N/P-codoped MoO2@carbon (N/P-MoO2@C) electrodes via a simple pyrolysis of ionic liquid-based polyoxometalate (IL-POM) mol. precursors. The contents of C, N, and P, and the pore geometry of N/P-MoO2@C networks can be easily tailored by adjusting the position of cyano groups in the IL-POM precursor. Benefiting from this novel design, the optimized N/P-MoO2@C4 electrode with cross-linked porous tunnels and abundant defects exhibits excellent Li storage performance, with a high reversible capacity of 1381 mA h g-1 after 100 cycles at 0.5 A-1, and 346 mA h g-1 after 5000 cycles at 20 A g-1. The Li+ storage performance of this N/P-MoO2@C4 is dominated by pseudocapacitance behavior, which contributed to the high reversible capacity and long cycle stability. Exceptional Na storage performance is also observed in the N/P-MoO2@C4 electrode with 0.02% capacity decay per cycle over 1100 cycles at 1.0 A g-1. The present approach provides some insight into the design and synthesis of task-specific Mo-based materials towards applications in energy storage and conversion. In the experiment, the researchers used 4-Cyanobenzyl bromide(cas: 17201-43-3HPLC of Formula: 17201-43-3)

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.HPLC of Formula: 17201-43-3

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

The author of 《In-situ biogenic synthesis of Pd nanoparticles over reduced graphene oxide by using a plant extract (Thymbra spicata) and its catalytic evaluation towards cyanation of aryl halides》 were Veisi, Hojat; Tamoradi, Taiebeh; Karmakar, Bikash; Mohammadi, Pourya; Hemmati, Saba. And the article was published in Materials Science & Engineering, C: Materials for Biological Applications in 2019. Related Products of 623-00-7 The author mentioned the following in the article:

An eco-friendly biosynthesized Pd NP anchored Thymbra spicata extract-modified graphene oxide (Pd NPs/rGO-T. spicata) nanohybrid material was introduced. Initially, the herb, Thymbra spicata extract was immobilized on the surface of GO via their natural adhering capability. The polyphenolic function grafted in-situ prepared RGO acted as the natural reductant of Pd precursor. The as-prepared nanocomposite (Pd NPs/rGO-T. spicata) was characterized using Fourier transform IR (FTIR), UV-vis, X-ray diffraction (XRD), inductively coupled plasma (ICP), field emission SEM (FESEM), energy-dispersive X-ray spectroscopy (EDS), high resolution transmission electron microscopy (HRTEM), Fast Fourier Transform (FFT), Raman spectroscopy and EDX elemental mapping techniques. It was observed that the Pd NPs with perfect crystal structure, uniform shape and size were dispersed homogeneously on the rGO surface. The material showed excellent water dispersibility due to the hydrophilicity of biomols. attached over them, which is very essential in heterogeneous catalysis. The T. spicata contained biomols. served as effective capping, reducing and stabilizing agents for the uniform immobilization of Pd precursors on graphene sheet surface without aggregation. The catalytic activity of this nano hybrid was assessed comprehensively in the cyanation of aryl halides with a wide range of substrates using K4[Fe(CN)6] as a cheap source of cyanide. The model reaction resulted outstanding catalytic performance with a great reusability of the catalysis. In addition to this study using 4-Bromobenzonitrile, there are many other studies that have used 4-Bromobenzonitrile(cas: 623-00-7Related Products of 623-00-7) was used in this study.

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,Related Products 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

In 2019,Materials Science & Engineering, C: Materials for Biological Applications included an article by Veisi, Hojat; Safarimehr, Parisa; Hemmati, Saba. Application of 623-00-7. The article was titled 《Buchwald-Hartwig C-N cross coupling reactions catalyzed by palladium nanoparticles immobilized on thio modified-multi walled carbon nanotubes as heterogeneous and recyclable nanocatalyst》. The information in the text is summarized as follows:

In current research, the multi walled carbon nanotubes were functionalized with mercapto-melamine groups by covalent grafting of f-CNT with ethylenediamine, cyanuric chloride and 2-mercaptoethanol for introducing mercapto functional groups on the surface of nanotube. Consequently, the thiolated MWCNTs were applied to deposing Pd nanoparticles. The results of FTIR, Raman spectroscopy, powder XRD, energy dispersive spectroscopy (EDS), wavelength-dispersive X-ray spectroscopy (WDX) and CHN anal. showed the successful synthesis of nanocatalyst. The scanning and transmission electron microscopes (SEM and TEM) were used to study the morphologies of the nanocatalyst. Moreover, the (MWCNTs/CC-SH/Pd) nanocatalyst was effectively applied in Buchwald-Hartwig C-N cross coupling reaction with wide variety of functionalized substrates, aryl halides 4-RC6H4X (R = H, NC, CH3, CH3O; X = Cl, Br, I) and amines R1H (R1 = morpholin-4yl, phenylaminyl, piperidin-1-yl, etc.). A variety of aryl amines 4-RC6H4R1 was prepared through reaction of aryl halides (chloride, bromide and iodide) and amines in high yields. Remarkably, the new catalyst could be reused for six recycles without change in its catalytic activity. In the experiment, the researchers used 4-Bromobenzonitrile(cas: 623-00-7Application 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,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

《Palladium nanoparticles anchored polydopamine-coated graphene oxide/Fe3O4 nanoparticles (GO/Fe3O4@PDA/Pd) as a novel recyclable heterogeneous catalyst in the facile cyanation of haloarenes using K4[Fe(CN)6] as cyanide source》 was written by Veisi, Hojat; Tamoradi, Taiebeh; Rashtiani, Asra; Hemmati, Saba; Karmakar, Bikash. SDS of cas: 623-00-7 And the article was included in Journal of Industrial and Engineering Chemistry (Amsterdam, Netherlands) in 2020. The article conveys some information:

Pd(0) nanoparticles stabilized over polydopamine (PDA) capped magnetic GO/Fe3O4 nanocomposites (GO/Fe3O4@PDA/Pd) have been synthesized in variable Pd load following a post grafting approach. Pd has been reduced in situ by the functionalized PDA avoiding the use of external harsh reductant. The structural properties of the synthesized materials were studied by different anal. techniques like Field Emission SEM (FESEM), Energy Dispersive X-ray Spectroscopy (EDX), High Resolution Transmission Electron Microscopy (HRTEM), Fourier Transformed IR (FT-IR) spectroscopy, Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES), Thermo Gravimetric Anal. (TGA), Powder X-Ray Diffraction (XRD) and XPS. The novel GO/Fe3O4@PDA/Pd(0) nanocomposite exhibited excellent performance as a reusable catalyst in the facile cyanation of aryl halides using K4[Fe(CN)6] as a low cost and safe cyanating agent. The aryl nitriles were obtained in good to excellent yields and the catalyst was recycled up to 13 times with minimal change in its catalytic activity. In the experiment, the researchers used many compounds, for example, 4-Bromobenzonitrile(cas: 623-00-7SDS of cas: 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,SDS of cas: 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

In 2015,Kahveci, Bahittin; Yilmaz, Fatih; Mentese, Emre; Ulker, Serdar published 《Microwave-assisted synthesis of some new coumarin derivatives including 1,2,4-triazol-3-one and investigation of their biological activities》.Chemistry of Heterocyclic Compounds (New York, NY, United States) published the findings.Recommanded Product: 31938-07-5 The information in the text is summarized as follows:

By using the microwave technol., a new protocol has been developed for the synthesis of new coumarin derivatives I [ R1 = H, Br; R = Me, 4-Cl-C6H4-CH2-, 4-Br-C6H4-CH2-, etc.] including 1,2,4-triazol-3-one skeleton. This protocol proves to be efficient and environmentally friendly in terms of easy work-up and good yields. All newly synthesized compounds were screened for their antimicrobial activity and lipase inhibition. Most of the compounds were found to be effective on Escherichia coli. Compounds I [R1 = Br, R = 2-Br-C6H4-CH2-; R1 = Br, R2 = 3,4-dichlorobenzyl] had a good effect on lipase inhibition. In the experimental materials used by the author, we found 2-(3-Bromophenyl)acetonitrile(cas: 31938-07-5Recommanded Product: 31938-07-5)

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

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

The author of 《Tuning of optical properties of p-phenyl ethenyl-E-furans: A Solvatochromism and Density functional theory》 were Kumar, Naresh; Paramasivam, Mahalingavelar; Kumar, Jagdeep; Gusain, Anamika; Hota, Prasanta Kumar. And the article was published in Spectrochimica Acta, Part A: Molecular and Biomolecular Spectroscopy in 2019. Recommanded Product: 4-Cyanobenzyl bromide The author mentioned the following in the article:

P-Ph ethenyl-E-furans (1-6) with varied electron donor and acceptor substituent (NO2, CN, Cl, H, OCH3, NH2) were synthesized and studied the substituent induced optical properties (dipole moment, transition dipole moment, oscillator strength, optical band gap, hyperpolarizability) using Solvatochromism and D. functional theory. It is shown that furan acts as a weak electron donor in presence of an electron withdrawing p-Ph substituent (NO2, CN, Cl), whereas furan acts as a weak electron acceptor in presence of an electron donating p-Ph substituent (OCH3, NH2). In comparison to ethenylfuran 4, the HOMO-LUMO energy band gap is decreased upon increasing the electron donating or electron withdrawing nature of the Ph ring. Calculation of excited state dipole moment and polarizability of 1-6 in solvent of varying polarity suggest that the nitro and amino compounds (1, 6) exhibit charge transfer excited state, whereas excited state of compounds 3-5 is non-polar in nature. As compared to the ethenylfuran (4), the first hyperpolarizability (β) is increased in presence of a strong electron withdrawing or strong electron donating p-Ph substituent. The higher β value is found for ethenylfuran with p-nitrophenyl and p-amino Ph substitution. Overall, these studies provide useful information in tuning the optical properties of p-Ph substituted heterocyclic ethenyl systems. In the experiment, the researchers used 4-Cyanobenzyl bromide(cas: 17201-43-3Recommanded Product: 4-Cyanobenzyl bromide)

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.Recommanded Product: 4-Cyanobenzyl bromide

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

In 2019,Chemical Communications (Cambridge, United Kingdom) included an article by Schirmer, Tobias Emanuel; Wimmer, Alexander; Weinzierl, Florian Wolfgang Clemens; Koenig, Burkhard. SDS of cas: 623-00-7. The article was titled 《Photo-nickel dual catalytic benzoylation of aryl bromides》. The information in the text is summarized as follows:

The dual catalytic arylation of aromatic aldehydes by aryl bromides using UV-irradiation and a nickel catalyst was reported. The reaction product served as a photocatalyst and a hydrogen atom transfer agent for this transformation. In the experiment, the researchers used 4-Bromobenzonitrile(cas: 623-00-7SDS of cas: 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,SDS of cas: 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

《De novo approach for the synthesis of water-soluble interlocked and non-interlocked organic cages》 was written by Chakraborty, Debsena; Modak, Ritwik; Howlader, Prodip; Mukherjee, Partha Sarathi. Related Products of 17201-43-3This research focused ontriazine immidazolium water metal free non interlocked organic cage. The article conveys some information:

Research on self-assembled metallosupramol. architectures has bloomed in recent times. Analogous metal-free organic architectures with water solubility are highly challenging. We report here a unique class of triazine based immidazolium water-soluble metal-free interlocked organic cage, which was synthesized in a one-pot reaction without using dynamic covalent chem. and without any chromatog. separation An analogous non-interlocked cage was also successfully achieved by steric control using different positional isomers of the building blocks. The results came from multiple reactions, including the reaction of 4-Cyanobenzyl bromide(cas: 17201-43-3Related Products of 17201-43-3)

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.Related Products of 17201-43-3

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts