Author: Jessica.F

《Gas-Phase Binding Energies and Dissociation Dynamics of 1-Alkyl-3-Methylimidazolium Tetrafluoroborate Ionic Liquid Clusters》 was written by Roy, H. A.; Hamlow, L. A.; Rodgers, M. T.. COA of Formula: C8H15BF4N2 And the article was included in Journal of Physical Chemistry A in 2020. The article conveys some information:

Ionic liquids (ILs) have become increasingly popular due to their useful and unique properties, yet there are still many unanswered questions regarding their fundamental interactions. In particular, details regarding the nature and strength of the intrinsic cation-anion interactions and how they influence the macroscopic properties of ILs are still largely unknown. Elucidating the mol.-level details of these interactions is essential to the development of better models for describing ILs and enabling the purposeful design of ILs with properties tailored for specific applications. Current uses of ILs are widespread and diverse and include applications for energy storage, electrochem., designer/green solvents, separations, and space propulsion. To advance the understanding of the energetics, conformations, and dynamics of gas-phase IL clustering relevant to space propulsion, threshold collision-induced dissociation approaches are used to measure the bond dissociation energies (BDEs) of the 2:1 clusters of 1-alkyl-3-methylimidazolium cations and tetrafluoroborate, [2Cnmim:BF4]+. The cation, [Cnmim]+, is varied across the series, 1-ethyl-3-methylimidazolium [C2mim]+, 1-butyl-3-methylimidazolium [C4mim]+, 1-hexyl-3-methylimidazolium [C6mim]+, and 1-octyl-3-methylimidazolium [C8mim]+, to examine the structural and energetic effects of the size of the 1-alkyl substituent on binding. Complementary electronic structure calculations are performed to determine the structures and energetics of the [Cnmim]+ and [BF4]- ions and their binding preferences in the (Cnmim:BF4) ion pairs and [2Cnmim:BF4]+ clusters. Several levels of theory, B3LYP, B3LYP-GD3BJ, and M06-2X, using the 6-311+G(d,p) basis set for geometry optimizations and frequency analyses and the 6-311+G(2d,2p) basis set for energetics, are benchmarked to examine their abilities to properly describe the nature of the binding interactions and to reproduce the measured BDEs. The modest structural variation among these [Cnmim]+ cations produces only minor structural changes and variation in the measured BDEs of the [2Cnmim:BF4]+ clusters. Present findings indicate that the dominant cation-anion interactions involve the 3-methylimidazolium moieties and that these clusters are sufficiently small that differences in packing effects associated with the variable length of the 1-alkyl substituents are not yet significant. The experimental process involved the reaction of 3-Butyl-1-methyl-1H-imidazol-3-ium tetrafluoroborate(cas: 174501-65-6COA of Formula: C8H15BF4N2)

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. COA of Formula: C8H15BF4N2

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

《Spectroscopic and Photo-Physical Properties of Near-IR Laser Dye in Novel Benign Green Solvents》 was written by Al-Aqmar, Dalal M.; Al-Shamiri, Hamdan A. S.; Al-Shareef, Jamal M.; Abou Kana, Maram T. H.; Kandel, Hamed M.. HPLC of Formula: 174501-65-6 And the article was included in Journal of Fluorescence in 2020. The article conveys some information:

IR-792 as near IR (NIR) laser dye was dissolved with different concentrations in two types of ionic liquids (ILs) of different anion and cation, 1-Ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide (EMIM TFSI) & 1-Butyl-3-methylimidazolium tetrafluoroborate (BMIM BF4), as the benign green solvent and in methanol (MeOH) as a standard solvent. The behavior of fluorescence of IR-792 dye was studied. The fluorescence of IR-792 dissolved in the ILs was heavily compared to organic solvent. Some photo-phys. parameters of IR-792 were calculated Mainly, IR-792 had a very low quantum yield of fluorescence with high intersystem crossing rate & fluorescence lifetime in picosecond range. Optical absorption and behavior of fluorescence for the rigorously the purified imidazolium ILs in the neat condition and effect of IR-792 on their fluorescence have been examined The emission behavior of IR-792 in green solvents was independent upon the wavelength of excitation, while the emission behavior of green solvents dependent upon the wavelength of excitation whether in pure state or with NIR laser dye. At most, the intensity of fluorescence of ILs is dependent upon dye concentration In addition to this study using 3-Butyl-1-methyl-1H-imidazol-3-ium tetrafluoroborate, there are many other studies that have used 3-Butyl-1-methyl-1H-imidazol-3-ium tetrafluoroborate(cas: 174501-65-6HPLC of Formula: 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. Actually, lonic liquids as innovative fluids have received wide attention only during the past two decades. The number of SCI papers published on lonic liquids has exponentially increased from a few in 1996 to >5000 in 2016, exceeding the annual growth rates of other popular scientific areas. HPLC of Formula: 174501-65-6

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Yadav, Priyanka; Kakati, Praachi; Singh, Preeti; Awasthi, Satish K. published their research in Applied Catalysis, A: General in 2021. The article was titled 《Application of sulfonic acid fabricated cobalt ferrite nanoparticles as effective magnetic nanocatalyst for green and facile synthesis of benzimidazoles》.Product Details of 934-32-7 The article contains the following contents:

This work represents the design and synthesis of efficient sulfonated cobalt ferrite solid acid catalyst. The synthesized solid acid green catalyst was characterized using various techniques viz. FT-IR, powder XRD, SEM, TEM and VSM. The obtained catalyst was used to synthesize biol. significant 2-substituted benzimidazole derivatives I (R = Ph, H, NH2, pyridin-3-yl) by condensation between o-phenylenediamine with various aromatic, aliphatic and heterocyclic aldehydes RCHO. High yield (up to 98%), short reaction time (10-25 min), mild reaction condition, wide functional group tolerance, easy work-up procedure and excellent values of green chem. metrices such as lower E factor (0.126), high RME value (88.83%), carbon efficiency (100%) and high atom economy (AE) value (90.65%), are some salient features of the present catalytic system. Moreover, the catalyst recovery by simply using an external magnet and catalyst reusability up to 7 times without any significant loss in catalytic efficiency are some addnl. remarkable features of the current protocol. In addition to this study using 1H-Benzo[d]imidazol-2-amine, there are many other studies that have used 1H-Benzo[d]imidazol-2-amine(cas: 934-32-7Product Details of 934-32-7) was used in this study.

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.Product Details of 934-32-7

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Yue, Liang; Amirkhosravi, Mehrad; Ke, Kai; Gray, Thomas G.; Manas-Zloczower, Ica published their research in ACS Applied Materials & Interfaces in 2021. The article was titled 《Cellulose Nanocrystals: Accelerator and Reinforcing Filler for Epoxy Vitrimerization》.Name: 1-Methyl-1H-imidazole The article contains the following contents:

The novel vitrimerization concept of converting permanently crosslinked networks of thermoset polymers into dynamic exchangeable networks often relies on transesterification reactions. Transesterification exchange reactions, for example, in epoxy vitrimers, are usually contingent on equivalent ratios of hydroxyl to ester groups and large amounts of catalysts to achieve proper dynamic exchange capability. In general, postconsumer epoxy cured with anhydrides contains very few hydroxyl groups in the network, and it is challenging to convert it into efficient dynamic networks by vitrimerization. Here, we demonstrate that introducing cellulose nanocrystals as feedstock of external hydroxyl groups in the mechanochem. vitrimerization process could improve the exchange reaction rate as well as the thermomech. properties of the vitrimerized epoxy. This work offers an effective way to recycle and reprocess postconsumer epoxy/anhydride waste with inherent low ratios of hydroxyl to ester groups into higher value-added vitrimer nanocomposites.1-Methyl-1H-imidazole(cas: 616-47-7Name: 1-Methyl-1H-imidazole) was used in this study.

1-Methyl-1H-imidazole(cas: 616-47-7) is actively involved in removing acid during the production of diethoxyphenylphosphine. It is used as an intermediate in organic synthesis.Name: 1-Methyl-1H-imidazole

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Chesnokov, V. V.; Shevchenko, M. A.; Soliev, S. B.; Tafeenko, V. A.; Chernyshev, V. M. published their research in Russian Chemical Bulletin in 2021. The article was titled 《Complexes LNi(Cp)X with alkylamino-substituted N-heterocyclic carbene ligands (L) and their catalytic activity in the Suzuki-Miyaura reaction》.SDS of cas: 141556-45-8 The article contains the following contents:

New nickel(II) complexes of the general formula LNi(Cp)X (L is an N-heterocyclic carbene (NHC) ligand of the 1,2,4-triazole or imidazole series; Cp is the cyclopentadienyl anion; X = Cl, I) are reported. In these complexes, the NHC ligands (L) contain an alkylamino group at the 3 or 4 position of the heterocycle. The synthesized complexes and structurally similar complexes without an alkylamino group were tested for catalytic activity in the Suzuki-Miyaura reaction. The introduction of an alkylamino group into the NHC ligand leads to the enhancement of the catalytic activity of complexes with N,N’-diaryl-substituted NHC ligands of the imidazole series and a decrease in the activity of the complexes with N,N’-dialkyl-substituted NHC ligands of the 1,2,4-triazole series. In the experimental materials used by the author, we found 1,3-Dimesityl-1H-imidazol-3-ium chloride(cas: 141556-45-8SDS of cas: 141556-45-8)

1,3-Dimesityl-1H-imidazol-3-ium chloride(cas: 141556-45-8) is a ligand for arylation of aldehydes and for carbene catalyzed intermolecular arylation of C-H bonds. It is used as a phosphine-free ligand in various metal-catalyzed coupling reactions, often with advantageous results in difficult cases.SDS of cas: 141556-45-8

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Hennemann, Bruno L.; Moleta, Guilherme S.; Fuchs, Ana L.; Villetti, Marcos A.; Kuhn, Bruna L.; Rampelotto, Camila R.; Paz, Alisson V.; de Bona da Silva, Cristiane; Frizzo, Clarissa P. published an article in 2021. The article was titled 《Synergic effects of ultrasound and ionic liquids on fluconazole emulsion》, and you may find the article in Ultrasonics Sonochemistry.Reference of 1-Methyl-1H-imidazole The information in the text is summarized as follows:

The aim of this work was to evaluate the influence of US on the properties of the fluconazole emulsions prepared using imidazolium-based ILs ([Cn C1i.m.]Br). The effects of the preparation method (mech. stirring or US), US amplitude, alkyl chain length (of [C12C1i.m.]Br or [C16C1i.m.]Br), and IL concentration on the physicochem. properties were evaluated. Properties such as droplet size, span index, morphol., viscosity encapsulation efficiency, and drug release profile were determined The results showed that US-prepared emulsions had a smaller droplet size and smaller polydispersity (Span) than those prepared by mech. stirring. Addnl., the results showed that emulsions prepared with [C16C1i.m.]Br and US had spherical shapes and increased stability compared to emulsions prepared by MS, and also depended on the IL concentration The emulsion prepared by US at 40% amplitude had increased encapsulation efficiency. US provided a decrease in the viscosity of emulsions containing [C12C1i.m.]Br; however, in general, all emulsions had viscosity close to that of water. Emulsions containing [C16C1i.m.]Br had the lowest viscosities of all the emulsions. The emulsions containing the IL [C16C1i.m.]Br had more controlled release and a lower cumulative percentage of drug release. The IL concentration required to prepare these emulsions was lower than the amount of conventional surfactant required, which highlights the potential synergic effects of ILs and US in preparing emulsions of hydrophobic drugs. In the part of experimental materials, we found many familiar compounds, such as 1-Methyl-1H-imidazole(cas: 616-47-7Reference of 1-Methyl-1H-imidazole)

1-Methyl-1H-imidazole(cas: 616-47-7) is actively involved in removing acid during the production of diethoxyphenylphosphine. It is used as an intermediate in organic synthesis.Reference of 1-Methyl-1H-imidazole

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Ma, Zonghui; Jiang, Ling; Li, Bingyan; Liang, Dailin; Feng, Yu; Liu, Li; Jiang, Cheng published an article in 2021. The article was titled 《Discovery of benzimidazole derivatives as potent and selective aldehyde dehydrogenase 1A1 (ALDH1A1) inhibitors with glucose consumption improving activity》, and you may find the article in Bioorganic & Medicinal Chemistry.HPLC of Formula: 4857-06-1 The information in the text is summarized as follows:

Aldehyde dehydrogenase 1A1 (ALDH1A1) plays vital physiol. and toxicol. functions in many areas, such as CNS, inflammation, metabolic disorders, and cancers. Overexpression of ALDH1A1 has been disclosed to play an important role in obesity, diabetes and other diseases, indicating the potential need for the identification and development of small mol. ALDH1A1 inhibitors. Herein, a series of benzimidazole derivatives was designed, synthesized and evaluated. Among them, compounds 21, 27, 29, 61 and 65 exhibited excellent inhibitory activity against ALDH1A1 with IC50 values in the low micromolar range and high selectivity over ALDH1A2, ALDH1A3, ALDH2 and ALDH3A1. Moreover, an in vitro study demonstrated that all five compounds effectively improved glucose consumption in HepG2 cells, of which, 61 and 65 at 10 μM produced nearly equal glucose consumption with pos. control Metformin (Met) at 1 mM. Furthermore, 61 and 65 showed desirable metabolic stability in human liver microsomes. All these results suggest that 61 and 65 are suitable for further studies. In the experiment, the researchers used 2-Chloro-1H-benzo[d]imidazole(cas: 4857-06-1HPLC of Formula: 4857-06-1)

2-Chloro-1H-benzo[d]imidazole(cas: 4857-06-1) is an analog of benzimidazole that has been synthesized by Langmuir adsorption isotherm. It is a white crystalline solid that can be dissolved in water and hydrochloric acid. 2-Chloro-1H-benzo[d]imidazole inhibits the growth of herpes simplex virus by acting as a competitive inhibitor for the viral enzyme thymidine kinase, which catalyzes the conversion of thymine to thymidine.HPLC of Formula: 4857-06-1

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

In 2022,Hokmabadi, Fahimeh; Zadmard, Reza; Akbarzadeh, Ali; Tafakori, Vida; Jalali, Mohammad Reza; Ahmadian, Gholamreza published an article in Royal Society Open Science. The title of the article was 《Synthesis of a new chitosan-p-tert-butylcalix[4]arene polymer as adsorbent for toxic mercury ion》.COA of Formula: C7H6N4O The author mentioned the following in the article:

In this paper, we have synthesized a novel chitosan-p-tert-butylcalix[4]arene polymer (CCP) as a highly efficient adsorbent for mercury ion (Hg2+) removal from water. In fact, a lower rim diamine derivative of p-tert-butylcalix[4]arene has been cross-linked with chitosan chain by carbonyl diimidazole (CDI) as the linker. CDI forms a urea linkage between calix[4]arene diamine derivative and amine groups of the chitosan polymeric chain. The structure and properties of the new polymer were characterized by Fourier transform IR spectroscopy, X-ray diffraction and scanning electron microscope. Also, the adsorption capacity of CCP was studied towards Hg2+ in aqueous medium by inductively coupled plasma-optical emission spectrometry. Interestingly, the results showed a considerable adsorption capacity for CCP in comparison with chitosan. Therefore, CCP can be introduced as a promising adsorbent for the elimination of Hg2+ from wastewaters. Moreover, because of the conformity of adsorption kinetic with pseudo-second-order kinetic models, it can be concluded that chem. adsorption has an important role between functional groups on CCP polymer and Hg2+ ions. In addition, according to Freundlich isotherm, the CCP surface was heterogeneous with different functional groups. The experimental part of the paper was very detailed, including the reaction process of Di(1H-imidazol-1-yl)methanone(cas: 530-62-1COA of Formula: C7H6N4O)

Di(1H-imidazol-1-yl)methanone(cas: 530-62-1) is a coupling agent in the synthesis of dipolar polyamides for nonlinear optical applications and polypeptides. It also used to make β-keto sulfones and sulfoxides, lead sequestering agents, and β-enamino acid derivatives.COA of Formula: C7H6N4O

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Product Details of 530-62-1In 2022 ,《Prebiotically Plausible Autocatalytic Peptide Amyloids》 appeared in Chemistry – A European Journal. The author of the article were Rout, Saroj K.; Rhyner, David; Riek, Roland; Greenwald, Jason. The article conveys some information:

The prebiotic emergence of mols. capable both of self-replication and of storing information was a defining event at the dawn of life. Still, no plausible prebiotic self-replication of biol. relevant mols. has been demonstrated. Building upon the known templating nature of amyloids, we present two systems in which the products of a peptide-bond-forming reaction act as self-replicators to enhance the yield and stereoselectivity of their formation. This first report of an amino acid condensation that can undergo autocatalysis further supports the potential role of amyloids in prebiotic mol. evolution as an environment-responsive and information-coding system capable of self-replication. The experimental process involved the reaction of Di(1H-imidazol-1-yl)methanone(cas: 530-62-1Product Details of 530-62-1)

Di(1H-imidazol-1-yl)methanone(cas: 530-62-1) is a coupling agent in the synthesis of dipolar polyamides for nonlinear optical applications and polypeptides. It also used to make β-keto sulfones and sulfoxides, lead sequestering agents, and β-enamino acid derivatives.Product Details of 530-62-1

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Application In Synthesis of 2-Chloro-1H-benzo[d]imidazoleIn 2018 ,《Molecular modeling, synthesis, antibacterial and cytotoxicity evaluation of sulfonamide derivatives of benzimidazole, indazole, benzothiazole and thiazole》 appeared in Bioorganic & Medicinal Chemistry. The author of the article were Naaz, Farha; Srivastava, Ritika; Singh, Anuradha; Singh, Nidhi; Verma, Rajesh; Singh, Vishal K.; Singh, Ramendra K.. The article conveys some information:

A new series of heterocyclic mols. bearing sulfonamide linkage has been synthesized and screened for antibacterial activity. During antibacterial screening using broth dilution method, mols. were found to be highly active (MIC value 50-3.1 μg/mL) against different human pathogens, namely B. cereus, S. aureus, E. coli and P. aeruginosa, and most effective against E. coli. A great synergistic effect was observed during determination of FIC where mols. were used in combination with reference drugs chloramphenicol and sulfamethoxazole. The MIC value of the combination – varying concentration of test compounds and 1/2 MIC of reference drugs or varying concentration of reference drugs and 1/2 MIC of test compounds, was reduced up to 1/4 or 1/32 of the original value, indicating thereby the combination was 4-32 times more potent than the test mol. The mols. also showed low degree of cytotoxicity against PBM, CEM and VERO cell lines. The results pos. indicated towards the development of lead antibacterials using the combination approach. In the experimental materials used by the author, we found 2-Chloro-1H-benzo[d]imidazole(cas: 4857-06-1Application In Synthesis of 2-Chloro-1H-benzo[d]imidazole)

2-Chloro-1H-benzo[d]imidazole(cas: 4857-06-1) is an analog of benzimidazole that has been synthesized by Langmuir adsorption isotherm. It is a white crystalline solid that can be dissolved in water and hydrochloric acid. 2-Chloro-1H-benzo[d]imidazole inhibits the growth of herpes simplex virus by acting as a competitive inhibitor for the viral enzyme thymidine kinase, which catalyzes the conversion of thymine to thymidine.Application In Synthesis of 2-Chloro-1H-benzo[d]imidazole

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem