Author: Jessica.F

In 2019,Journal of Photochemistry and Photobiology, B: Biology included an article by Devipriya, Duraipandi; Roopan, Selvaraj Mohana. Formula: C7H7N3. The article was titled 《UV-light intervened synthesis of imidazo fused quinazoline and its solvatochromism, antioxidant, antifungal and luminescence properties》. The information in the text is summarized as follows:

The photochem. preparation of benzo[4,5]imidazo[2,1-b]quinazoline I, by reaction of 2-(4-chlorobenzylidene)-3,4-dihydronaphthalen-1(2H)-one with 1H-benzo[d]imidazol-2-amine in presence of KOH/DMF, was assessed under the UV irradiation (312 nm) in shorter duration (2 h) and in higher yield of 96%. Solvatochromism impacts of the compound I was computed with different solvents (DCM < methanol< DMF < DMSO). The compound, I was presented to in-vitro free radical screening strategy and the standard ascorbic acid has less IC50 value - than compound I. Further, it was subjected to in-vitro fungicidal action against two Aspergillus species (A. flavus & niger). The anti-fungal activity of compound I addnl. demonstrated great action, when compared antifungal specialist Fluconazole. The results came from multiple reactions, including the reaction of 1H-Benzo[d]imidazol-2-amine(cas: 934-32-7Formula: C7H7N3)

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.Formula: C7H7N3

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

In 2019,International Journal of Environmental Analytical Chemistry included an article by Mahdavi, Vahideh; Ghorbani-Paji, Fatemeh; Ramezani, Mohammad Kazem; Ghassempour, Alireza; Aboul-Enein, Hassan Y.. Product Details of 934-32-7. The article was titled 《Dissipation of carbendazim and its metabolites in cucumber using liquid chromatography tandem mass spectrometry》. The information in the text is summarized as follows:

Currently, there is growing interest in the degradation pathways of organic contaminants such as pesticides. In the case of pesticides, the determination of metabolites in agricultural products and environment is necessary as some of them could present similar toxicity to or even higher toxicity than the parent compound The development of anal. methodol. for the identification and quantification of carbendazim fungicide and its metabolites in cucumber was studied. Cucumber (cucumis sativus) is a global food in terms of economic importance and nutritional quality. Careful optimization of the liquid chromatog.-mass spectrometry (LC-MS)/MS parameters was achieved in order to attain a fast separation with the best sensitivity. The detection was carried out on an Ion-Trap tandem mass spectrometer (MS/MS) by electrospray ionisation in pos. ion mode (ESI+) with multiple reaction monitoring (MRM). In the experiment, the researchers used 1H-Benzo[d]imidazol-2-amine(cas: 934-32-7Product Details of 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.Product Details of 934-32-7

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

《Degradation kinetics of carbendazim by Klebsiella oxytoca, Flavobacterium johnsoniae, and Stenotrophomonas maltophilia strains》 was written by Alvarado-Gutierrez, Maria Luisa; Ruiz-Ordaz, Nora; Galindez-Mayer, Juvencio; Curiel-Quesada, Everardo; Santoyo-Tepole, Fortunata. HPLC of Formula: 934-32-7 And the article was included in Environmental Science and Pollution Research in 2020. The article conveys some information:

The fungicide carbendazim is an ecotoxic pollutant frequently found in water reservoirs. The ability of microorganisms to remove pollutants found in diverse environments, soil, water, or air is well documented. Although microbial communities have many advantages in bioremediation processes, in many cases, those with the desired capabilities may be slow-growing or have low pollutant degradation rates. In these cases, the manipulation of the microbial community through enrichment with specialized microbial strains showing high specific growth rates and high rates and efficiencies of pollutant degradation is desirable. In this work, bacteria of the genera Klebsiella, Flavobacterium, and Stenotrophomonas, isolated from the biofilm attached to the packed zones of a biofilm reactor, were able to grow individually in selective medium containing carbendazim. In the three bacteria studied, the mheI gene encoding the first enzyme involved in the degradation of the fungicide carbendazim was found. Studying the dynamics of growth and carbendazim degradation of the three bacteria, the effect of co-formulants was also evaluated. The pure compound and a com. formulation of carbendazim were used as substrates. Finally, the study made it possible to define the biokinetic advantages of these strains for amendment of microbial communities. In the experimental materials used by the author, we found 1H-Benzo[d]imidazol-2-amine(cas: 934-32-7HPLC of Formula: 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.HPLC of Formula: 934-32-7

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

《Concomitant polymorphic forms of 3-cyclopropyl-5-(2-hydrazinylpyridin-3-yl)-1,2,4-oxadiazole》 was published in Acta Crystallographica, Section C: Structural Chemistry in 2020. These research results belong to Shishkina, Svitlana V.; Konovalova, Irina S.; Karpina, Veronika R.; Kovalenko, Svitlana S.; Kovalenko, Sergiy M.; Bunyatyan, Natalya D.. Related Products of 530-62-1 The article mentions the following:

The dipharmacophore compound 3-cyclopropyl-5-(2-hydrazinylpyridin-3-yl)-1,2,4-oxadiazole, C10H11N5O, was studied on the assumption of its potential biol. activity. Two concomitant polymorphs were obtained on crystallization from isopropanol solution and these were thoroughly studied. Identical conformations of the mols. are found in both structures despite the low difference in energy between the four possible conformers. The two polymorphs differ crucially with respect to their crystal structures. A centrosym. dimer formed due to both stacking interactions of the ‘head-to-tail’ type and N-H…N(π) hydrogen bonds is the building unit in the triclinic structure. The dimeric building units form an isotropic packing. In the orthorhombic polymorphic structure, the mols. form stacking interactions of the ‘head-to-head’ type, which results in their organization in a column as the primary basic structural motif. The formation of N-H···N(lone pair) hydrogen bonds between two neighboring columns allows the formation of a double column as the main structural motif. The correct packing motifs in the two polymorphs could not be identified without calculations of the pairwise interaction energies. The triclinic structure has a higher d. and a lower (by 0.60 kcal mol-1) lattice energy according to periodic calculations compared to the orthorhombic structure. This allows us to presume that the triclinic form of 3-cyclopropyl-5-(2-hydrazinylpyridin-3-yl)-1,2,4-oxadiazole is the more stable. In the experiment, the researchers used Di(1H-imidazol-1-yl)methanone(cas: 530-62-1Related Products of 530-62-1)

Di(1H-imidazol-1-yl)methanone(cas: 530-62-1) is a peptide coupling reagent,it is used in the synthesis of peptides. Reacts readily with carboxylic acids to form acyl imidazoles; subsequent reaction with amines to form amides goes smoothly.Related Products of 530-62-1

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

《Aggregation and Particle Formation During Pumping of an Antibody Formulation Are Controlled by Electrostatic Interactions Between Pump Surfaces and Protein Molecules》 was written by Wu, Hao; Randolph, Theodore W.. Formula: C21H25ClN2 And the article was included in Journal of Pharmaceutical Sciences (Philadelphia, PA, United States) in 2020. The article conveys some information:

Aggregates and particles may be generated by pos. displacement piston pumps during fill-finishing operations for protein formulations. We investigated potential factors that might contribute to aggregation in i.v. IgG (IVIG) formulations during pumping, including electrostatic interactions between protein mols. and pump surfaces, cavitation, and aggregate nucleation from particles shed from pumps. Electrostatic interactions were investigated by modifying pump surface chem. Cavitation as a potential cause of particle formation was investigated by changing pumping speeds, and the possibility that particles shed from pump surfaces act to nucleate protein aggregation was explored by spiking prepumped buffer solutions into IVIG formulations. Neither cavitation nor particles shed from pump surfaces played dominant roles in generating particles. Per pump cycle, production of particles and protein aggregates was constant, and corresponded with the amount of protein expected to adsorb on pump surfaces at monolayer coverage. More subvisible particles and protein aggregates were generated in formulations containing higher concentrations of IVIG, but they reached a plateau at protein concentrations above 2 mg/mL, where adsorption isotherms saturated Neg. charged pump surfaces interacted with the pos. charged IVIG to produce more particles and aggregates than pos. charged surfaces, an effect ascribed to electrostatic interactions that moderated rates of protein adsorption. In the experimental materials used by the author, we found 1,3-Dimesityl-1H-imidazol-3-ium chloride(cas: 141556-45-8Formula: C21H25ClN2)

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.Formula: C21H25ClN2

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

The author of 《An Electrochemical Sandwich Immunosensor for the Detection of HER2 using Antibody-Conjugated PbS Quantum Dot as a label》 were Lah, Zur Mira Azizah Nor Haiza; Ahmad, Shahrul Ainliah Alang; Zaini, Muhammad Safwan; Kamarudin, Mazliana Ahmad. And the article was published in Journal of Pharmaceutical and Biomedical Analysis in 2019. Category: imidazoles-derivatives The author mentioned the following in the article:

A facile electrochem. sandwich immunosensor for the detection of a breast cancer biomarker, the human epidermal growth factor receptor 2 (HER2), was designed, using lead sulfide quantum dots-conjugated secondary HER2 antibody (Ab2-PbS QDs) as a label. Using Ab2-PbS QDs in the development of electrochem. immunoassays leads to many advantages such as straightforward synthesis and well-defined stripping signal of Pb(II) through acid dissolution, which in turn yields better sensing performance for the sandwiched immunosensor. In the bioconjugation of PbS QDs, the available amine and hydroxyl groups from secondary anti-HER2 and capped PbS QDs were bound covalently together via carbonyldiimidazole (CDI) acting as a linker. In order to quantify the biomarker, SWV signal was obtained, where the Pb2+ ions after acid dissolution in HCl was detected. The plated mercury film SPCE was also detected in situ. Under optimal conditions, HER2 was detected in a linear range from 1-100 ng/mL with a limit of detection of 0.28 ng/mL. The measures of satisfactory recoveries were 91.3% to 104.3% for the spiked samples, displaying high selectivity. Therefore, this method can be applied to determine HER2 in human serum. In the experiment, the researchers used many compounds, for example, Di(1H-imidazol-1-yl)methanone(cas: 530-62-1Category: imidazoles-derivatives)

Di(1H-imidazol-1-yl)methanone(cas: 530-62-1) is a peptide coupling reagent,it is used in the synthesis of peptides. Reacts readily with carboxylic acids to form acyl imidazoles; subsequent reaction with amines to form amides goes smoothly.Category: imidazoles-derivatives

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

The author of 《Locating the binding domains of lysozyme with ionic liquids in aqueous solution via spectroscopic studies》 were Guo, Yun; Zhang, Bo; Lu, Chao; Liu, Xiaoxue; Li, Qing; Zhang, Hua; Wang, Zhanzhong. And the article was published in Spectrochimica Acta, Part A: Molecular and Biomolecular Spectroscopy in 2019. Recommanded Product: 3-Butyl-1-methyl-1H-imidazol-3-ium tetrafluoroborate The author mentioned the following in the article:

The binding domains of lysozyme with ionic liquids (ILs, [C4mim]BF4, [C4mim]Cl, [C4mim]Br and [dmim]I) in aqueous solution was investigated by studying mol. interactions using spectroscopic techniques. UV spectroscopy (UV) showed that the addition of ILs increased the absorption peak intensity of lysozyme at 210 nm by enhancing peptide bond valence electron transition. It is also found that a weak interaction between ILs and lysozyme chromophore groups was generated by analyzing the changes of absorption peak intensity near 280 nm. Fluorescence and Synchronous Fluorescence spectra results showed that four ILs had quenching effect on the fluorescent substances of lysozyme, and the quenching effect rose with increasing ILs concentration Meanwhile, the interaction between lysozyme and ILs mols. is mainly based on Van der Waals force and two Tryptophan (Trp) residues (Trp62 or Trp108) at the active site of lysozyme mols. play a critical role in binding ILs to their own mols. The results came from multiple reactions, including the reaction of 3-Butyl-1-methyl-1H-imidazol-3-ium tetrafluoroborate(cas: 174501-65-6Recommanded Product: 3-Butyl-1-methyl-1H-imidazol-3-ium tetrafluoroborate)

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. Recommanded Product: 3-Butyl-1-methyl-1H-imidazol-3-ium tetrafluoroborate

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

The author of 《””Induced-Fit Suction”” effect: a booster for biofuel storage and separation》 were Li, He; Guo, Fangyuan; Hu, Jun; Peng, Changjun; Wang, Hualin; Liu, Honglai; Li, Jing. And the article was published in Journal of Materials Chemistry A: Materials for Energy and Sustainability in 2019. Recommanded Product: 1H-Benzo[d]imidazol-2-amine The author mentioned the following in the article:

Target-response deformation has provided a wide variety of possibilities for selective mol. separation In this report, both exptl. and theor. methods were used to demonstrate how fine-tuning the amphiphilicity of ZIF-7 can induce an alc.-based target-response deformation. A step-by-step simulation of dynamic adsorption revealed that ZIF-7-NH2 can successfully align alc. mols. to facilitate selective adsorption, while the benzene rings in ZIF-7-NH2 were induced to flip over and maintain the open-gate conformation. As a result, ZIF-7-NH2 with an amino mole ratio of 10% achieved an ideal n-butanol/water selectivity of 40, and also the highest n-butanol uptake of 4.33 mmol g-1 from 5 wt% n-butanol aqueous solution under ambient conditions. Therefore, a new mechanism of “”Induced-Fit Suction”” (IFS) that we propose provides a promising new strategy for biofuel separation After reading the article, we found that the author used 1H-Benzo[d]imidazol-2-amine(cas: 934-32-7Recommanded Product: 1H-Benzo[d]imidazol-2-amine)

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: 1H-Benzo[d]imidazol-2-amine

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

《Preparation of 1-methyl-2,4,5-trinitroimidazole from derivatives of 1-methylimidazole and its oxidation under nitration conditions》 was written by Lian, Peng-Bao; Chen, Jian; Chen, Li-Zhen; Zhao, Chong-Yang; Wang, Jian-Long; Shen, Fen-Fen. Synthetic Route of C4H6N2 And the article was included in Chemistry of Heterocyclic Compounds (New York, NY, United States) in 2020. The article conveys some information:

1-Methylimidazole, 1-methyl-4-nitroimidazole, 1-methyl-5-nitroimidazole, or 1-methyl-4,5-dinitroimidazole gave a mixture of 1-methyl-4,5-dinitroimidazole and 1-methyl-2,4,5-trinitroimidazole under the volume ratio of HNO3 to H2SO4 of 1:3 at 80° temperature for 2.5 h, and the highest unisolated yield of 1-methyl-2,4,5-trinitroimidazole was 2.4%. 1-Methyl-2,4,5-trinitroimidazole was prepared from 1-methyl-2-nitroimidazole, 1-methyl-2,4-dinitroimidazole, or 1-methyl-2,5-dinitroimidazole under the same conditions, and the yields were 65, 76, and 82%, resp. However, when the ratio of HNO3 to H2SO4 was 1:5 and reaction was carried out at 120° for 2.5 h, only 1-methyl-4,5-dinitroimidazole was obtained from 1-methylimidazole, 1-methyl-4-nitroimidazole, or 1-methyl- 5-nitroimidazole in yields 43, 64, and 81%, resp. 1-Methyl-2-nitroimidazole, 1-methyl-2,4-dinitroimidazole, or 1-methyl- 2,5-dinitroimidazole gave 1-methylimidazolidine-2,4,5-trione under the same conditions, the yields were 61, 63, and 65%, resp. Meanwhile, 1-methylimidazolidine-2,4,5-trione was obtained from 1-methyl-2,4,5-trinitroimidazole. Under strong nitration conditions, the nitro group at the C-2 position is a key substituent to promote oxidation of the imidazole ring. The possible reaction mechanism for the formation of 1-methylimidazolidine-2,4,5-trione from 1-methyl-2,4,5-trinitroimidazole is given. The structure of 1-methylimidazolidine-2,4,5-trione was further confirmed by single crystal X-ray diffraction. In the experimental materials used by the author, we found 1-Methyl-1H-imidazole(cas: 616-47-7Synthetic Route of C4H6N2)

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.Synthetic Route of C4H6N2

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

In 1967,Barlin, Gordon B.; Batterham, Thomas J. published 《The proton magnetic resonance spectra of some diazoles, triazoles, and tetrazoles》.Journal of the Chemical Society [Section] B: Physical Organic published the findings.Synthetic Route of C3H3BrN2 The information in the text is summarized as follows:

The N.M.R. spectra of various charged species from 33 azoles have been measured. In N-methyl-imidazoles and -1,2,4-triazoles the sites of protonation have been determined, and the cations appear to be stabilized by amidinium type resonance. Solvent effects are discussed. 27 references.2-Bromo-1H-imidazole(cas: 16681-56-4Synthetic Route of C3H3BrN2) was used in this study.

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. Synthetic Route of C3H3BrN2

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem