Author: Jessica.F

Synthetic Route of C27H39ClN2On September 30, 2020 ,《Quinolinyl Imidazolidin-2-imine Nickel Catalyzed Efficient Copolymerization of Norbornene with para-Chlorostyrene》 was published in Chinese Journal of Polymer Science. The article was written by Li, Yan-Qing; Zhou, Jian; Xiao, Ru; Cai, Zheng-Guo. The article contains the following contents:

A series of novel quinolinyl imidazolidin-2-imine nickel complexes with different substituents on the imidazolidin-2-imine ligand were synthesized and characterized. The complexes in the presence of methylaluminoxane (MAO) as a cocatalyst catalyzed the copolymerization of norbornene (N) and styrene (S) or para-chlorostyrene (CS) with high activity (up to 1070 kg·mol-1·h-1). The installation of sterically bulky substituents on the imidazolidine-2-imine ligand was effective for the increase of the mol. weight and the comonomer content, affording high mol. weight copolymers with tunable CS content (0.57 mol%-11.7 mol%), in which the existence of Cl group can provide reaction site for the further functionalization of copolymers as well as the synthesis of graft or crosslinked polymers. The linear relationship between the comonomer content and the glass transition temperature of the copolymers and the monomer reactivity ratios in the copolymerization indicated the formation of the expected functionalized cyclic olefin copolymers (COC). In the experiment, the researchers used 1,3-Bis(2,6-diisopropylphenyl)-4,5-dihydro-1H-imidazol-3-ium chloride(cas: 258278-25-0Synthetic Route of C27H39ClN2)

1,3-Bis(2,6-diisopropylphenyl)-4,5-dihydro-1H-imidazol-3-ium chloride(cas: 258278-25-0) may be used as a precursor to the free carbene 1,3-bis(2,6-diisopropylphenyl)-2-imidazolidinylidene, and also used as an in situ formed catalyst in a variety of reactions, e.g. amination, Heck coupling reaction, the ring-opening metathesis polymerization (ROMP), hydrogenation.Synthetic Route of C27H39ClN2In addition, it can efficiently catalyze the Suzuki-Miyaura coupling of aryl chlorides with aryl boronic acids.

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

In 2014,Chemistry – A European Journal included an article by Morozov, Oleg S.; Lunchev, Andrey V.; Bush, Alexander A.; Tukov, Aleksandr A.; Asachenko, Andrey F.; Khrustalev, Victor N.; Zalesskiy, Sergey S.; Ananikov, Valentine P.; Nechaev, Mikhail S.. Product Details of 852445-84-2. The article was titled 《Expanded-Ring N-Heterocyclic Carbenes Efficiently Stabilize Gold(I) Cations, Leading to High Activity in π-Acid-Catalyzed Cyclizations》. The information in the text is summarized as follows:

Six- and seven-membered expanded-ring N-heterocyclic carbene (er-NHC) Au(I) complexes were synthesized using different synthetic approaches. Complexes with weakly coordinating anions [(er-NHC)AuX] (X- = BF4-, NTf2-, OTf-) were generated in solution According to their 13C NMR spectra, the ionic character of the complexes increases in the order X- = Cl- < NTf2- < OTf- < BF4-. Addnl. factors for stabilization of the cationic complexes are expansion of the NHC ring and the attachment of bulky substituents at the N atoms. These er-NHCs are bulkier ligands and stronger electron donors than conventional NHCs as well as phosphines and sulfides and provide more stabilization of [(L)Au+] cations. A comparative study was carried out of the catalytic activities of five-, six-, and seven-membered carbene complexes [(NHC)AuX], [(Ph3P)AuX], [(Me2S)AuX], and inorganic compounds of Au in model reactions of indole and benzofuran synthesis. Increased ionic character of the complexes was correlated with increased catalytic activity in the cyclization reactions. As a result, the authors developed an unprecedentedly active monoligand cationic [(THD-Dipp)Au]BF4 (1,3-bis(2,6-diisopropylphenyl)-3,4,5,6-tetrahydrodiazepin-2-ylidene Au(I) tetrafluoroborate) catalyst bearing seven-membered-ring carbene and bulky Dipp substituents. Quant. yields of cyclized products were attained in several minutes at room temperature at 1 mol % catalyst loadings. The exptl. observations were rationalized and fully supported by DFT calculations In the part of experimental materials, we found many familiar compounds, such as Chloro{1,3-bis[2,6-bis(1-methylethyl)phenyl]-4,5-dihydroimidazol-2-ylidene}gold(I)(cas: 852445-84-2Product Details of 852445-84-2)

Chloro{1,3-bis[2,6-bis(1-methylethyl)phenyl]-4,5-dihydroimidazol-2-ylidene}gold(I)(cas: 852445-84-2) belongs to imidazoles.Imidazole rings are part of unnatural cyclic peptides and are used as ester isosteres in peptidomimetic studies.
However, the application of imidazoles is not limited to the field of peptides and peptidomimetics. Product Details of 852445-84-2

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

In 2009,Guillemont, Jerome; Benjahad, Abdellah; Oumouch, Said; Decrane, Laurence; Palandjian, Patrice; Vernier, Daniel; Queguiner, Laurence; Andries, Koen; de Bethune, Marie-Pierre; Hertogs, Kurt; Grierson, David S.; Nguyen, Chi Hung published 《Synthesis and Biological Evaluation of C-5 Methyl Substituted 4-Arylthio and 4-Aryloxy-3-Iodopyridin-2(1H)-one Type Anti-HIV Agents》.Journal of Medicinal Chemistry published the findings.HPLC of Formula: 16681-56-4 The information in the text is summarized as follows:

A series of C-5 Me substituted 4-arylthio- and 4-aryloxy-3-iodopyridin-2(1H)-ones, e.g. I (X = O, S; R = SCH2CONHMe, 2-tetrazolyl, 1-imidazolyl, etc.), has been synthesized as new pyridinone analogs for their evaluation as anti-HIV inhibitors. The optimization at the 5-position was developed through an efficient use of the key intermediates 5-ethoxycarbonyl- and 5-cyano-pyridin-2(1H)-ones. Biol. studies revealed that several compounds show potent HIV-1 reverse transcriptase inhibitory properties, for example, I [X = S; R = 1-tetrazolyl, 2-tetrazolyl] are active at 0.6-50 nM against wild type HIV-1 and a panel of major simple/double HIV mutant strains. The experimental part of the paper was very detailed, including the reaction process of 2-Bromo-1H-imidazole(cas: 16681-56-4HPLC of Formula: 16681-56-4)

2-Bromo-1H-imidazole(cas: 16681-56-4) is a member of imidazole. Its exclusive structural characteristics with enviable electron-rich features are favorable for imidazole-based fused heterocycles to bind efficiently with an array of enzymes and receptors in biological systems through various weak interactions like hydrogen bonds, ion-dipole, cation-π, π-π stacking, coordination, Van der Waals forces, hydrophobic effects, etc., and therefore they demonstrate widespread bioactivities. HPLC of Formula: 16681-56-4

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

In 2017,Gund, Dnyandev Radhu; Tripathi, Alok Pramod; Vaidya, Sanjay Dashrath published 《Synthesis and antimicrobial activity of some novel N-substituted benzimidazoles》.European Journal of Chemistry published the findings.Name: 2-Chloro-1H-benzo[d]imidazole The information in the text is summarized as follows:

Synthesis of a series of new substituted benzimidazole derivatives by the condensation of o-phenylenediamine with urea to give 1,3-dihydro-benzimidazol-2-one which reacted with phosphoryl chloride to give 2-chloro-1H-benzimidazole is reported. The product was then alkylated at the benzimidazole NH with different electrophilic reagents leading to functionalized derivatives Structures of the newly synthesized products have been deduced on the basis of spectral and anal. data. The synthesized compounds were screened for their antimicrobial activity. This exhibited some promising results towards testing organism in-vitro. The results came from multiple reactions, including the reaction of 2-Chloro-1H-benzo[d]imidazole(cas: 4857-06-1Name: 2-Chloro-1H-benzo[d]imidazole)

2-Chloro-1H-benzo[d]imidazole(cas: 4857-06-1) binds to monoclonal antibodies, inhibiting their binding to their corresponding antigens. This activity may be due to its ability to bind covalently with amino groups on proteins and other molecules.Name: 2-Chloro-1H-benzo[d]imidazole

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

In 2017,Jiang, Kun-Ming; Zhang, Jian-Qiang; Jin, Yi; Lin, Jun published 《1,3-Dipolar Cycloaddition of Imidazole Derivatives with Nitrile Oxide: Synthesis of Imidazo[1,2,4]oxadiazole Derivatives》.Asian Journal of Organic Chemistry published the findings.Name: 2-Chloro-1H-benzo[d]imidazole The information in the text is summarized as follows:

A concise and efficient synthesis of imidazo[1,2,4]oxadiazole derivatives I [R1 = Ph, 4-FC6H4, 4-MeOC6H4, etc.; R2 = H, 6,7-di-Me] that proceeded through the [3+2] cycloaddition of 2-chloro-1H-benzo[d]imidazole with nitrile oxides was developed. This strategy conveniently constructed tricyclic imidazole heterocyclic derivatives that contained a broad range of functional groups. Compound I [R1 = 4-ClC6H4; R2 = 6,7-di-Me] showed excellent cytotoxic activity against the KYSE410 cell line (IC50 = 0.26 μM). The compounds I were promising candidates for drug discovery. In the experimental materials used by the author, we found 2-Chloro-1H-benzo[d]imidazole(cas: 4857-06-1Name: 2-Chloro-1H-benzo[d]imidazole)

2-Chloro-1H-benzo[d]imidazole(cas: 4857-06-1) binds to monoclonal antibodies, inhibiting their binding to their corresponding antigens. This activity may be due to its ability to bind covalently with amino groups on proteins and other molecules.Name: 2-Chloro-1H-benzo[d]imidazole

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

In 2019,Colloids and Surfaces, B: Biointerfaces included an article by Tan, Yulong; Leonhard, Matthias; Moser, Doris; Ma, Su; Schneider-Stickler, Berit. Recommanded Product: 934-32-7. The article was titled 《Antibiofilm efficacy of curcumin in combination with 2-aminobenzimidazole against single- and mixed-species biofilms of Candida albicans and Staphylococcus aureus》. The information in the text is summarized as follows:

Mixed fungal and bacterial biofilm associated infections of implants have been a huge challenge in health care because of the increased resistance to antimicrobials and the critical biol. differences between fungi and bacteria. In this study, we evaluated the 2-aminobenzimidazole (2ABI) and curcumin (CUR) alone to inhibit planktonic cell growth, adhesion as well as single and mixed species biofilms of Candida albicans and Staphylococcus aureus on silicone. The combined effects between 2ABI and CUR on mixed species biofilm formation and pre-formed biofilm were assessed. Our work showed that 2ABI or CUR alone was effective as a sole agent, inhibiting planktonic growth, adhesion and the biofilm formation of bacteria and fungi on the silicone surface. The combination of 2ABI and CUR exhibited the enhanced effect on mixed biofilm compared to mono-drug therapy. The biofilm architecture was investigated by SEM (SEM) and the distinction of living/dead organisms within biofilm was examined by confocal laser scanning microscopy (CLSM). The combination activity was most potent on mixed biofilm. These results suggest the potential applicability of 2ABI and CUR to treatment of biofilm related device infections. The results came from multiple reactions, including the reaction of 1H-Benzo[d]imidazol-2-amine(cas: 934-32-7Recommanded Product: 934-32-7)

1H-Benzo[d]imidazol-2-amine(cas: 934-32-7) can be used in the hydrolysis of a choline carbonate. It was also used in the synthesis of imidazo[1,2-a]benzimidazoles.Recommanded Product: 934-32-7

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

In 2019,Journal of Molecular Liquids included an article by Yoshimura, Yukihiro; Mori, Takahiro; Kaneko, Kazuyoshi; Nogami, Koji; Takekiyo, Takahiro; Masuda, Yuichi; Shimizu, Akio. Recommanded Product: 174501-65-6. The article was titled 《Confirmation of local water structure confined in ionic liquids using H/D exchange》. The information in the text is summarized as follows:

We investigated the local structure of water mols. confined inside ionic liquid (IL) nanodomain structures of 1-butyl-3-methylimidazolium tetrafluoroborate, (abbreviated as [bmim][BF4]) using NMR and Raman spectroscopy to monitor H/D exchange reaction between H2O and D2O water mols. The results showed that fewer than 5 water mols. were probably present in the water domain of the IL nanospace at less than ∼60 water mol%, where the translational motion of water mols. was inhibited and proton exchange rate was highly restricted. These phenomena were attributed to the absence of bulk hydrogen-bonded network structures in the water domain. The H atoms of the HDO mol. tended to interact with BF-4 anions, whereas the D atoms of HDO interacted with the C2 atoms of the bmim+ cation. As a result, water mols. became trapped inside the IL framework, which is likely to be the main cause of the reduction in H/D exchange rate among water mols. in the mixture3-Butyl-1-methyl-1H-imidazol-3-ium tetrafluoroborate(cas: 174501-65-6Recommanded Product: 174501-65-6) was used in this study.

3-Butyl-1-methyl-1H-imidazol-3-ium tetrafluoroborate(cas: 174501-65-6) is a member of lonic liquids. A multidisciplinary study on lonic liquids is emerging, including chemistry, materials science, chemical engineering, and environmental science. More specifically, some important fundamental viewpoints are now different from the original concepts, as insights into the nature of lonic liquids become deeper. For example, the physicochemical properties of lonic liquids are now recognized as ranging broadly from the oft quoted “nonvolatile, non-flammable, and air and water stable” to those that are distinctly volatile, flammable, and unstable. Recommanded Product: 174501-65-6

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

The author of 《Strategies to investigate biotin interference in light of the FDA safety communication》 were Johnson, Lisa; Li, Danni. And the article was published in Journal of Applied Laboratory Medicine in 2019. Quality Control of 5-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid The author mentioned the following in the article:

This article outlined strategies to investigate biotin interference in light of FDA safety communication.5-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid(cas: 58-85-5Quality Control of 5-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid) was used in this study.

5-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid(cas: 58-85-5) may be used to elute proteins from avidin/streptavidin resins. It has been used for culturing of oligodendrocytes.Quality Control of 5-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid And it has been used for blocking endogenous biotin during immunohistology procedures.

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

The author of 《Neonatal form of biotin-thiamine-responsive basal ganglia disease. Clues to diagnosis.》 were Değerliyurt, Aydan; Gündüz, Mehmet; Ceylaner, Serdar; Ünal, Özlem; Ünal, Sevim. And the article was published in The Turkish journal of pediatrics in 2019. Computed Properties of C10H16N2O3S The author mentioned the following in the article:

Değerliyurt A, Gündüz M, Ceylaner S, Ünal Ö, Ünal S. Neonatal form of biotin-thiamine-responsive basal ganglia disease. Clues to diagnosis. Turk J Pediatr 2019; 61: 261-266. Biotin-thiamine-responsive basal ganglia disease is characterized by seizures, dystonia and encephalopathy attacks, with an acute-subacute onset in childhood. It causes cerebral damage especially with caudate head and putamen involvement and may lead to severe sequelae and even death if left untreated. We report a patient with the neonatal form of biotin-thiamine-responsive basal ganglia disease who presented with encephalopathy and lactic acidosis in the neonatal period together with the diagnostic magnetic resonance imaging (MRI) clues. MRI in the neonatal period revealed bilateral involvement of the putamen, thalamus, and perirolandic cortical regions. However, MRI obtained at 32 months revealed involvement of the caudate nuclei in addition to the putamen and thalami. The neuroimaging findings of our patient and relevant literature indicate that patients with biotin-thiamine-responsive basal ganglia disease who are symptomatic in the neonatal period have putamen, thalami, and perirolandic cortical involvement. However, these patients do not have caudate involvement, unlike the patients who present in childhood. In the experiment, the researchers used 5-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid(cas: 58-85-5Computed Properties of C10H16N2O3S)

5-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid(cas: 58-85-5) may be used to elute proteins from avidin/streptavidin resins. It has been used for culturing of oligodendrocytes.Computed Properties of C10H16N2O3S And it has been used for blocking endogenous biotin during immunohistology procedures.

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

The author of 《Facile synthesis of nanostructured polyaniline in ionic liquids for high solubility and enhanced electrochemical properties》 were Li, Shihua; Yang, Chunying; Sarwar, Shatila; Nautiyal, Amit; Zhang, Pengfei; Du, Haishun; Liu, Na; Yin, Jialin; Deng, Kuilin; Zhang, Xinyu. And the article was published in Advanced Composites and Hybrid Materials in 2019. Recommanded Product: 616-47-7 The author mentioned the following in the article:

As one of the most investigated conducting polymers, polyaniline (PANI) is considered to be of practical use in many applications. In this study, two new ionic liquids, 1-methylimidazolium hydrogen sulfate ([Hmim]HSO4) and 1-methyl-3-n-butylimidazopersulfate ([C4mim]2S2O8), which were synthesized from 1-methylimidazole ([Hmim]), were used as solvent and dopant, oxidizer, resp., for in situ polymerization of aniline. Because of the application of the unique structure of ionic liquid, we obtained the ionic liquid-doped polyaniline (IL-PANI) with high solubility (25 mg mL-1 in DMSO (DMSO)). And by adjusting the ratio of [C4mim]2S2O8 to aniline monomer, the preferred PANI nanofibers could be controlled to form a three-dimensional porous structure. It was found that the ion/electron transport channels could be formed inside the 3D structure. Thus, the redox reactions could occur both at the surface and inside the PANI electrode. Electrochem. characterization showed that the fabricated PANI electrode exhibited a specific capacitance of 489 F g-1 at a c.d. of 0.5 A g-1. Also, the capacity retention rate reached up to 81% after 4000 cycles investigated at 2 A g-1. In addition, a high-energy d. of 80.2 Wh kg-1 was measured when [Hmim]HSO4 was used as an electrolyte. Thus, the present work suggested a new strategy for fabricating high-performance PANI electrode for supercapacitor applications. [Figure not available: see fulltext.]. The results came from multiple reactions, including the reaction of 1-Methyl-1H-imidazole(cas: 616-47-7Recommanded Product: 616-47-7)

1-Methyl-1H-imidazole(cas: 616-47-7) is used as a precursor for the synthesis of pyrrole-imidazole polyamides, ionic liquids such as 1-butyl-3-methylimidazolium hexafluorophosphate.Recommanded Product: 616-47-7

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem