Category: nitriles-buliding-blocks

Desaintjean, Alexandre; Danton, Fanny; Knochel, Paul published their research in Synthesis in 2021. The article was titled 《Preparation of Functionalized Diorganomagnesium Reagents in Toluene via Bromine or Iodine/Magnesium-Exchange Reactions》.Quality Control of 2-Bromobenzonitrile The article contains the following contents:

A wide range of polyfunctionalized di(hetero)aryl- and dialkenyl-magnesium reagents were prepared in toluene within 10 to 120 min between -78°C and 25°C via an I/Mg- or Br/Mg-exchange reaction using reagents of the general formula R2Mg (R = sBu, Mes). Highly sensitive functional groups, such as triazene or nitro, were tolerated in these exchange reactions, enabling the synthesis of various functionalized (hetero)arene and alkene derivatives after quenching with several electrophiles including allyl bromides, acyl chlorides, aldehydes, ketones and aryl iodides. In the experimental materials used by the author, we found 2-Bromobenzonitrile(cas: 2042-37-7Quality Control of 2-Bromobenzonitrile)

2-Bromobenzonitrile(cas: 2042-37-7) is a precursor to the quinazolinones, a class of drugs used to treat autoimmune diseases and coronary heart disease. This substrate molecule undergoes a palladium-catalyzed coupling reaction to form an aromatic ring. The light emission from this reaction can be seen in the reaction solution.Quality Control of 2-Bromobenzonitrile

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

In 2019,Organic Letters included an article by Nagaraju, Sakkani; Liu, Shuhua; Liu, Jinggong; Yang, Shuang; Liu, Rui; Chen, Zhizhou; Paplal, Banoth; Fang, Xinqiang. Related Products of 614-16-4. The article was titled 《Regioselectivity-Switchable Catalytic Annulations of Alkynyl α-Diketones and α-Cyanoketones》. The information in the text is summarized as follows:

Regioselectivity-switchable reactions hold irreplaceable importance in the construction of diversified architectures. In this work, Bronsted base-catalyzed regioselectivity-switchable annulations between alkynyl α-diketones and α-cyanoketones have been achieved for the first time, delivering a series of skeletally thoroughly different dihydrofurofuran and furan derivatives A range of novel transformations of the products can be realized. The work also demonstrates the unique features of alkynyl α-diketone chem., which are in sharp contrast to the current understanding of ynone-related chem. In the experimental materials used by the author, we found 3-Oxo-3-phenylpropanenitrile(cas: 614-16-4Related Products of 614-16-4)

3-Oxo-3-phenylpropanenitrile(cas: 614-16-4) has been used to produce 2-benzoyl-3-furan-2-yl-acrylonitrile. It is an active methylene compound, useful in heterocyclic synthesis, e.g. polyfunctional pyridines and pyrimidines.Related Products of 614-16-4

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

In 2019,Organic Letters included an article by Wimmer, Alexander; Koenig, Burkhard. Name: 4-Bromobenzonitrile. The article was titled 《N-Arylation of NH-Sulfoximines via Dual Nickel Photocatalysis》. The information in the text is summarized as follows:

The pharmaceutically underexplored sulfoximine moiety has emerged as a potentially active pharmaceutical ingredient. We developed a scalable synthetic route to N-arylated sulfoximines from the resp. “”free”” NH-sulfoximines and bromoarenes. Our strategy is based on a dual nickel photocatalytic approach, is applicable for a broad scope of substrates, and exhibits a highly functional group tolerance. In addition, we could demonstrate that other sulfoximidoyl derivatives like sulfonimidamides and sulfinamides proceed smoothly under the developed reaction conditions. In the experiment, the researchers used 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 2017,Dziaduszek, J.; Dabrowski, R.; Urban, S.; Garbat, K.; Glushchenko, A.; Czuprynski, K. published 《Selected fluorosubstituted phenyltolanes with a terminal group: NCS, CN, F, OCF3 and their mesogenic and dielectric properties and use for the formulation of high birefringence nematic mixtures to GHz and THz applications》.Liquid Crystals published the findings.Computed Properties of C7H3BrFN The information in the text is summarized as follows:

Thirty laterally fluorosubstituted new 4-isothiocyanato-, 4-cyano-, 4-fluoro- and 4-(1,1,1-trifluorometoxy)-4′-(4-alkylphenyl)tolanes have been synthesized and their phase transition temperatures and enthalpies and elec. permittivity have been measured. These data have been analyzed together with data for earlier prepared similar compounds and with recently prepared analogously substituted 4″”-alkyl-terphenyls. It was shown that some di-, tri- and tetra-fluorosubstituted 4-isothiocyanato- and 4-cyano-4′-(4-alkylphenyltolanes) are very useful components for the formulation of high birefringence (Δn up to 0.5 measured at 589 nm) and large temperature range nematic mixtures for photonic applications, especially in the infra-red, GHz and THz range of electromagnetic radiation. Three ways of formulation of high birefringence mixtures were proposed. In addition to this study using 4-Bromo-2-fluorobenzonitrile, there are many other studies that have used 4-Bromo-2-fluorobenzonitrile(cas: 105942-08-3Computed Properties of C7H3BrFN) was used in this study.

4-Bromo-2-fluorobenzonitrile(cas:105942-08-3) is used as a reagent in the synthesis of picolinamide derivatives as a novel class of 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1) inhibitors.Computed Properties of C7H3BrFN 4-Bromo-2-fluorobenzonitrile is also used in the preparation of fluorinated CB2 receptor agonists for PET imaging.

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

In 2015,Krishna, Patoju M.; Ramachary, Dhevalapally B.; Peesapati, Sruthi published 《Azide-acetonitrile “”click”” reaction triggered by Cs2CO3: the atom-economic, high-yielding synthesis of 5-amino-1,2,3-triazoles》.RSC Advances published the findings.Reference of 2-(3-Bromophenyl)acetonitrile The information in the text is summarized as follows:

Medicinally important 5-amino-1,2,3-triazoles e.g., I, were synthesized via Cs2CO3-catalyzed azide-acetonitrile [3 + 2]-cycloaddn reactions. Aryl azides and arylacetonitriles were employed in this transformation resulting in excellent yields with high regioselectivity. After reading the article, we found that the author used 2-(3-Bromophenyl)acetonitrile(cas: 31938-07-5Reference of 2-(3-Bromophenyl)acetonitrile)

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.Reference of 2-(3-Bromophenyl)acetonitrile

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Zheng, Shuyan; Yu, Chunhui; Shen, Zhengwu published an article in Organic Letters. The title of the article was 《Ethyl Cyanoacetate: A New Cyanating Agent for the Palladium-Catalyzed Cyanation of Aryl Halides》.Product Details of 890092-52-1 The author mentioned the following in the article:

A new Pd-catalyzed cyanation reaction has been discovered using Et cyanoacetate as the cyanating reagent. A variety of electron-rich and electron-deficient aryl halides were efficiently converted into their corresponding nitriles in good to excellent yields. In the part of experimental materials, we found many familiar compounds, such as 5-Bromo-4-methylnicotinonitrile(cas: 890092-52-1Product Details of 890092-52-1)

5-Bromo-4-methylnicotinonitrile(cas: 890092-52-1) belongs to pyridine. Pyridine, its benzo and pyridine-based compounds play diverse roles in organic chemistry. As ligands, solvents, and catalysts they facilitate reactions; thus descriptions of these new ligands and their applications abound each year.Product Details of 890092-52-1

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Buravchenko, Galina I.; Scherbakov, Alexander M.; Dezhenkova, Lyubov G.; Monzote, Lianet; Shchekotikhin, Andrey E. published their research in RSC Advances in 2021. The article was titled 《Synthesis of 7-amino-6-halogeno-3-phenylquinoxaline-2-carbonitrile 1,4-dioxides: a way forward for targeting hypoxia and drug resistance of cancer cells》.SDS of cas: 614-16-4 The article contains the following contents:

To establish a new approach for the synthesis of quinoxaline 1,4-dioxides as hypoxia-selective cytotoxic agents, an original multi-step preparation of derivatives possessing the diamine moiety at position 7 was evaluated. Herein, we present the synthesis of a series of novel 7-amino-6-halogeno-3-phenylquinoxaline-2-carbonitrile 1,4-dioxides 13a-h, 14a,b,g based on the regioselective Beirut reaction. Comparison of antitumor properties of derivatives possessing the diamine moiety at position 7 with structurally close congeners possessing the corresponding amino groups at position 6 revealed key differences in the cytotoxicity profiles and HIF-1α inhibition. All the synthesized 7-amino-6-halogeno derivatives 13a-h, 14a,b,g demonstrated significant cytotoxic activities against breast cancer cell lines (MCF7, MDA-MB-231) in normoxia and hypoxia with IC50 values ranging from 0.1 to 7.6 μM. Most of these novel derivatives can circumvent the multidrug resistance of tumor cells caused by P-glycoprotein over expression. The lead compounds 13a, 14a and 14b can suppress the expression of HIF-1α at low micromolar concentrations and induce apoptosis in breast cancer MCF7 cells. In addition, compound 14b effectively inhibits BCL2 and ERα expression in MCF7 cells. The current research opens a new direction for targeting hypoxia and drug resistance of cancer cells.3-Oxo-3-phenylpropanenitrile(cas: 614-16-4SDS of cas: 614-16-4) was used in this study.

3-Oxo-3-phenylpropanenitrile(cas: 614-16-4) has been used to produce 2-benzoyl-3-furan-2-yl-acrylonitrile. It is an active methylene compound, useful in heterocyclic synthesis, e.g. polyfunctional pyridines and pyrimidines.SDS of cas: 614-16-4

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Kammer, Lisa Marie; Badir, Shorouk O.; Hu, Ren-Ming; Molander, Gary A. published their research in Chemical Science in 2021. The article was titled 《Photoactive electron donor-acceptor complex platform for Ni-mediated C(sp3)-C(sp2) bond formation》.HPLC of Formula: 623-00-7 The article contains the following contents:

A dual photochem./nickel-mediated decarboxylative strategy for the assembly of C(sp3)-C(sp2) linkages was disclosed. Under light irradiation at 390 nm, com. available and inexpensive Hantzsch ester (HE) functions as a potent organic photoreductant to deliver catalytically active Ni(0) species through single-electron transfer (SET) manifolds. As part of its dual role, the Hantzsch ester effects a decarboxylative-based radical generation through electron donor-acceptor (EDA) complex activation. This homogeneous, net-reductive platform bypasses the need for exogenous photocatalysts, stoichiometric metal reductants, and additives. Under this cross-electrophile paradigm, the coupling of diverse C(sp3)-centered radical architectures (including primary, secondary, stabilized benzylic, α-oxy, and α-amino systems) with (hetero)aryl bromides was accomplished. The protocol proceeded under mild reaction conditions in the presence of sensitive functional groups and pharmaceutically relevant cores. In addition to this study using 4-Bromobenzonitrile, there are many other studies that have used 4-Bromobenzonitrile(cas: 623-00-7HPLC of Formula: 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,HPLC of Formula: 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

《New Nanomagnetic Heterogeneous Cobalt Catalyst for the Synthesis of Aryl Nitriles and Biaryls》 was published in ACS Omega in 2020. These research results belong to Moghadam, Hadis Hosseini; Sobhani, Sara; Sansano, Jose Miguel. COA of Formula: C7H4FN The article mentions the following:

Cobalt nanoparticles immobilized on magnetic chitosan (Fe3O4@CS-Co) have been prepared They were identified using various techniques such as Fourier-transform IR spectroscopy, X-ray diffraction, field emission SEM, energy-dispersive X-ray spectroscopy, transmission electron microscopy, thermogravimetric anal., vibrating sample magnetometry, XPS, and inductively coupled plasma at. emission spectroscopy anal. and applied efficiently as a cobalt catalyst in the cyanation and fluoride-/palladium-free Hiyama reactions of different types of aryl halides ArX (Ar = Ph, 4-iodophenyl, pyridin-3-yl, etc.; X = I, Br, Cl) employing K4[Fe(CN)6].3H2O and triethoxyphenylsilane, resp. After each reaction, the catalyst was isolated and reused for the second run. The catalytic activity of the catalyst was not lost apparently even after five runs. No considerable changes in its chem. structure and morphol. were observed It is worth to note that in this paper, the cobalt catalyst has been used for the first time for the cyanation of aryl halides. In addition to this study using 4-Fluorobenzonitrile, there are many other studies that have used 4-Fluorobenzonitrile(cas: 1194-02-1COA of Formula: C7H4FN) was used in this study.

4-Fluorobenzonitrile(cas: 1194-02-1) is used in the synthesis of flurenones, pharmaceutical prerequisites, as well as opiod receptor antagonists.COA of Formula: C7H4FN

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

In 2019,Chemical Science included an article by Donald, James R.; Berrell, Sophie L.. Synthetic Route of C8H6BrN. The article was titled 《Radical cyanomethylation via vinyl azide cascade-fragmentation》. The information in the text is summarized as follows:

A novel methodol. for radical cyanomethylation was described. The process was initiated by radical addition to the vinyl azide reagent 3-azido-2-methylbut-3-en-2-ol which triggered a cascade-fragmentation mechanism driven by the loss of dinitrogen and the stabilized 2-hydroxypropyl radical, ultimately effecting cyanomethylation. Cyanomethyl group was efficiently introduced into a range of substrates via trapping of α-carbonyl, heterobenzylic, alkyl, sulfonyl and aryl radicals, generated from a variety of functional groups under both photoredox catalysis and non-catalytic conditions. The value of this approach was exemplified by the late-stage cyanomethylation of pharmaceuticals. The experimental process involved the reaction of 2-(3-Bromophenyl)acetonitrile(cas: 31938-07-5Synthetic Route of C8H6BrN)

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.Synthetic Route of C8H6BrN

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts