Author: Jessica.F

In 2022,Miyakoshi, Takeru; Niggli, Nadja E.; Baudoin, Olivier published an article in Angewandte Chemie, International Edition. The title of the article was 《Remote Construction of N-Heterocycles via 1,4-Palladium Shift-Mediated Double C-H Activation》.Reference of 1,3-Dimesityl-1H-imidazol-3-ium chloride The author mentioned the following in the article:

In the past years, Pd0-catalyzed C(sp3)-H activation provided efficient and step-economical methods to synthesize carbo- and heterocycles via direct C(sp2)-C(sp3) bond formation. Herein, a 1,4-Pd shift allows access to N-heterocycles which are difficult to build via a direct reaction. It is shown that o-bromo-N-methylanilines undergo a 1,4-Pd shift at the N-Me group, followed by intramol. trapping by C(sp2)-H or C(sp3)-H activation at another nitrogen substituent and remote C-C bond formation to generate biol. relevant isoindolines and β-lactams. The product selectivity is influenced by the employed ligand, with NHCs favoring the product of remote C-C coupling against products arising from direct C-C coupling and N-demethylation. The results came from multiple reactions, including the reaction of 1,3-Dimesityl-1H-imidazol-3-ium chloride(cas: 141556-45-8Reference of 1,3-Dimesityl-1H-imidazol-3-ium chloride)

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.Reference of 1,3-Dimesityl-1H-imidazol-3-ium chloride

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Electric Literature of C3H5N3In 2017 ,《Pyridine-pyrimidine amides that prevent HGF-induced epithelial scattering by two distinct mechanisms》 appeared in Bioorganic & Medicinal Chemistry Letters. The author of the article were Siddiqui-Jain, Adam; Hoj, Jacob P.; Hargiss, J. Blade; Hoj, Taylor H.; Payne, Carter J.; Ritchie, Collin A.; Herron, Steven R.; Quinn, Colette; Schuler, Jeffrey T.; Hansen, Marc D. H.. The article conveys some information:

Stimulation of cultured epithelial cells with scatter factor/hepatocyte growth factor (HGF) results in individual cells detaching and assuming a migratory and invasive phenotype. Epithelial scattering recapitulates cancer progression and studies have implicated HGF signaling as a driver of cancer metastasis. Inhibitors of HGF signaling have been proposed to act as anti-cancer agents. The authors previously screened a small mol. library for compounds that block HGF-induced epithelial scattering. Most hits identified in this screen exhibit anti-mitotic properties. Here the authors assess the biol. mechanism of a compound that blocks HGF-induced scattering with limited anti-mitotic activity. Analogs of this compound have one of two distinct activities: inhibiting either cell migration or cell proliferation with cell cycle arrest in G2/M. Each activity bears unique structure-activity relationships. The mechanism of action of anti-mitotic compounds is by inhibition of microtubule polymerization; these compounds entropically and enthalpically bind tubulin in the colchicine binding site, generating a conformational change in the tubulin dimer.1H-Imidazol-2-amine(cas: 7720-39-0Electric Literature of C3H5N3) was used in this study.

1H-Imidazol-2-amine(cas: 7720-39-0) belongs to anime. Amine, any member of a family of nitrogen-containing organic compounds that is derived, either in principle or in practice, from ammonia (NH3). Naturally occurring amines include the alkaloids, which are present in certain plants; the catecholamine neurotransmitters (i.e., dopamine, epinephrine, and norepinephrine); and a local chemical mediator, histamine, that occurs in most animal tissues.Electric Literature of C3H5N3

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Related Products of 58-85-5In 2020 ,《Simultaneous Detection of Multiple Tumor Markers in Blood by Functional Liquid Crystal Sensors Assisted with Target-Induced Dissociation of Aptamer》 was published in Analytical Chemistry (Washington, DC, United States). The article was written by Qi, Lubin; Liu, Shuya; Jiang, Yifei; Lin, Jin-Ming; Yu, Li; Hu, Qiongzheng. The article contains the following contents:

Multiplex detection of tumor markers in blood with high specificity and high sensitivity is critical to cancer diagnosis, treatment, and prognosis. Herein, we demonstrate a strategy for simultaneous detection of multiple tumor markers in blood by functional liquid crystal (LC) sensors assisted with target-induced dissociation (TID) of an aptamer for the first time. Magnetic beads (MBs) coated with an aptamer (apt1) are employed to specifically capture target proteins in blood. After incubation of the obtained protein-coated MBs with duplexes of another aptamer (apt2) and signal DNA, sandwich complexes of apt1/protein/apt2 are formed on the MBs due to specific recognition of target proteins by apt2, which induces release of signal DNA into the aqueous solution Subsequently, signal DNA is specifically recognized by highly sensitive DNA-laden LC sensors. Using this strategy, a 3D printed optical cell was employed to enable simultaneous detection of multiple tumor markers such as carcinoembryonic antigen (CEA), alpha-fetoprotein (AFP), and prostate specific antigen (PSA) with high specificity and high sensitivity. Overall, this effective and low-cost multiplex approach takes advantage of the easy separation of MBs, high specificity of aptamer-based recognition, and high sensitivity of functional LC sensors. Plus, it offers a performance that is competitive to that of com. ELISA kits without potential interference from hemolysis, which makes it very promising in multiplex detection of tumor markers in clin. applications. In the part of experimental materials, we found many familiar compounds, such as 5-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid(cas: 58-85-5Related Products of 58-85-5)

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.Related Products of 58-85-5 And it has been used as a vitamin supplement for the growth of Bacillus species.

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Formula: C8H15BF4N2In 2019 ,《The Solubility of Carbon Dioxide and Density for Binary Mixtures of 1-Butyl-3-methylimidazolium Acetate and 1-Butyl-3-methylimidazolium Tetrafluoroborate》 was published in Journal of Chemical & Engineering Data. The article was written by Shaahmadi, Fariborz; Hashemi Shahraki, Bahram; Farhadi, Asadollah. The article contains the following contents:

The gas sweetening process requires an efficient solvent with strong absorption capability to capture acid gases from flue gas. Absorption can be strong by a chem. formation (as “”chem.”” absorption) or simple with no chem. reactions (as “”phys.”” absorption). The purpose of the present study was to compare the CO2 solubility of the chem. absorbing ionic liquid, 1-butyl-3-methylimidazolium acetate ([Bmim][Ac]), with the phys. absorbing ionic liquid, 1-butyl-3-methylimidazolium tetrafluoroborate ([Bmim][BF4]), as a function of temperature at (298.15 to 318.15) K for pressure up to 50 bar. In addition, the CO2 solubility for binary mixtures containing 75% [Bmim][Ac] + 25% [Bmim][BF4], 50% [Bmim][Ac] + 50% [Bmim][BF4] and 25% [Bmim][Ac] + 75% [Bmim][BF4] are measured over the same temperature range. Henry’s law constants are reported for the solubility of CO2 in the studied pure and mixed ionic liquids The d. of mixed ionic liquids is exptl. measured in T = 298.15 K, 308.15 K, and 318.15 K. The partial molar thermodn. functions of solvation, Gibbs free energy, enthalpy, and entropy are evaluated based on the variation of Henry’s law constants (as a representative of solubility) with temperature In the experiment, the researchers used 3-Butyl-1-methyl-1H-imidazol-3-ium tetrafluoroborate(cas: 174501-65-6Formula: C8H15BF4N2)

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. Formula: C8H15BF4N2

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

《[(NHC)NiIIH]-Catalyzed Cross-Hydroalkenylation of Cyclopropenes with Alkynes: Cyclopentadiene Synthesis by [(NHC)NiII]-Assisted C-C Rearrangement》 was published in Angewandte Chemie, International Edition in 2019. These research results belong to Huang, Jian-Qiang; Ho, Chun-Yu. Recommanded Product: 258278-25-0 The article mentions the following:

The cross-hydroalkenylation/rearrangement cascade (HARC), using a cyclopropene, e.g., 3′,4′-dihydrospiro[2-cyclopropene-1,1′(2’H)-naphthalene] and alkyne RCCR1 (R = H, CH3, C2H5, (CH2)2CH3, OC2H5; R1 = CH2OCH3, CH2OC6H5, cyclohexyl, etc.) as substrate pairs was achieved for the first time by using new [(NHC)Ni(allyl)]BArF (Ar = mesityl, diisopropylphenyl, 3-pentyl) catalysts (NHCN-heterocyclic carbenes). By controlling the (NHC)NiIIH relative insertion reactivity with cyclopropene and alkyne, a broad scope of cyclopentadienes, e.g., I was obtained with high selectivity. The structural features of new (NHC)NiII catalyst were important for the success of the reaction. The mild reaction conditions employed may serve as an entry for exploring (NHC)NiII-assisted vinylcyclopropane rearrangement reactivity. The experimental part of the paper was very detailed, including the reaction process of 1,3-Bis(2,6-diisopropylphenyl)-4,5-dihydro-1H-imidazol-3-ium chloride(cas: 258278-25-0Recommanded Product: 258278-25-0)

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.Recommanded Product: 258278-25-0In addition, it can efficiently catalyze the Suzuki-Miyaura coupling of aryl chlorides with aryl boronic acids.

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

In 2014,Angewandte Chemie, International Edition included an article by Jacob, Nicholas T.; Lockner, Jonathan W.; Kravchenko, Vladimir V.; Janda, Kim D.. Safety of Methyl 2-(methylthio)-4,5-dihydro-1H-imidazole-1-carboxylate. The article was titled 《Pharmacophore Reassignment for Induction of the Immunosurveillance Cytokine TRAIL》. The information in the text is summarized as follows:

Tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) is an immunosurveillance cytokine that kills cancer cells but demonstrates little toxicity against normal cells. While investigating the TRAIL-inducing imidazolinopyrimidinone TIC10, a misassignment of its active structure was uncovered. Syntheses of the two isomers, corresponding to the published and reassigned structures, are reported. The ability of each to induce TRAIL expression in macrophages was investigated and only the compound corresponding to the reassigned structure shows the originally reported activity; the compound corresponding to the published structure is inactive. Importantly, this structural reassignment has furnished a previously unknown antitumor pharmacophore. The results came from multiple reactions, including the reaction of Methyl 2-(methylthio)-4,5-dihydro-1H-imidazole-1-carboxylate(cas: 60546-77-2Safety of Methyl 2-(methylthio)-4,5-dihydro-1H-imidazole-1-carboxylate)

Methyl 2-(methylthio)-4,5-dihydro-1H-imidazole-1-carboxylate(cas: 60546-77-2) belongs to imidazoles.Although other azole heterocycles are ubiquitous in a wide range of biologically active natural products, imidazole rings occur predominantly in the natural amino acid histidine. In addition, imidazole rings are part of unnatural cyclic peptides and are used as ester isosteres in peptidomimetic studies. Safety of Methyl 2-(methylthio)-4,5-dihydro-1H-imidazole-1-carboxylate

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

In 2019,Analytical and Bioanalytical Chemistry Research included an article by Rajamohana, R.; Nayakib, S. Kothai; Swaminathanc, M.; Sivakumard, K.. Safety of 1H-Benzo[d]imidazol-2-amine. The article was titled 《pH independent complexation of 2-aminobenzimidazole with β-cyclodextrin》. The information in the text is summarized as follows:

The spectral characteristics of 2-aminobenzimidazole (2ABZ) in aqueous and ss-cyclodextrin media has been investigated using absorption, steady state and time resolved fluorescence techniques. The stoichiometric ratio of the inclusion complex of neutral and monocationic forms of 2ABZ in β-CDx medium is found to be 1:1. There is no significant differences between ground and the excited state pKa values of 2ABZ under both the media and thus the amino group of 2ABZ mol. is not much affected by the complexation process i.e., it lies outside the β-CDx cavity. Considering the shape and dimensions of β-CDx, it is clear that the 2ABZ mol. cannot be completely included in the β-CDx cavity. Because, the overall height of 2ABZ is 10.6 Å, but the overall height of β-CDx is only 7.8 Å. Hence, it is possible to locate half of the 2ABZ mol. only permitted inside the β-CDx cavity as interpreted using exptl. data. In the experiment, the researchers used 1H-Benzo[d]imidazol-2-amine(cas: 934-32-7Safety of 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.Safety of 1H-Benzo[d]imidazol-2-amine

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

The author of 《Human papilloma virus DNA-biomarker analysis for cervical cancer: Signal enhancement by gold nanoparticle-coupled tetravalent streptavidin-biotin strategy》 were Lv, Qingfeng; Wang, Yongmei; Su, Cuijin; Lakshmipriya, Thangavel; Gopinath, Subash C. B.; Pandian, Kannaiyan; Perumal, Veeradasan; Liu, Ying. And the article was published in International Journal of Biological Macromolecules in 2019. Synthetic Route of C10H16N2O3S The author mentioned the following in the article:

Human papillomavirus (HPV) is a double-standard DNA virus, as well as the source of infection to the mucous membrane. It is a sexually transmitted disease that brings the changes in the cervix cells. Oncogenes, E6 and E7 play a pivotal role in the HPV infection. Identifying these genes to detect HPV strains, especially a prevalent HPV16 strain, will bring a great impact. Among different sensing strategies for pathogens, the dielec. electrochem. biosensor shows the potential due to its higher sensitivity. In this research, HPV16-E7 DNA sequence was detected on the carbodiimidazole-modified interdigitated electrode (IDE) surface with the detection limit of 1 fM. To enhance the sensitivity, the target sequence was conjugated on gold nanoparticle (GNP) and attained detection to the level of 10 aM. This produced ~100 folds improvement in detecting HPV16-E7 gene and 4 folds increment in the current flow. The stability of HPV16-E7 DNA sequences on GNP was verified by the salt-induced GNP aggregation. The current system has shown the higher specificity by comparing against non-complementary and triple-mismatched DNA sequences of HPV16-E7. This demonstration in detecting HPV16-E7 using dielec. IDE sensing system with a higher sensitivity can be recommended for detecting a wide range of disease-causing DNA-markers.5-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid(cas: 58-85-5Synthetic Route of C10H16N2O3S) 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.Synthetic Route of C10H16N2O3S And it has been used as a vitamin supplement for the growth of Bacillus species.

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

《Biotinylated photoactive Pt(II) anticancer complexes》 was published in Chemical Communications (Cambridge, United Kingdom) in 2020. These research results belong to Shi, Huayun; Imberti, Cinzia; Huang, Huaiyi; Hands-Portman, Ian; Sadler, Peter J.. COA of Formula: C10H16N2O3S The article mentions the following:

Novel biotinylated diazido-Pt(II) complexes exhibit high visible light photocytotoxicity while being stable in the dark. Photocytotoxicity and cellular accumulation of all-trans-[Pt(py)2(N3)2(biotin)(OH)] (2a) were enhanced significantly when bound to avidin; irradiation induced dramatic cellular morphol. changes in human ovarian cancer cells treated with 2a. After reading the article, we found that the author used 5-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid(cas: 58-85-5COA of Formula: 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.COA of Formula: C10H16N2O3S And it has been used for blocking endogenous biotin during immunohistology procedures.

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

《Mechanochemical green synthesis of hyper-crosslinked cyclodextrin polymers》 was published in Beilstein Journal of Organic Chemistry in 2020. These research results belong to Pedrazzo, Alberto Rubin; Caldera, Fabrizio; Zanetti, Marco; Appleton, Silvia Lucia; Dahkar, Nilesh Kumar; Trotta, Francesco. Product Details of 530-62-1 The article mentions the following:

Cyclodextrin nanosponges (CD-NS) are nanostructured crosslinked polymers made up of cyclodextrins. The reactive hydroxy groups of CDs allow them to act as multifunctional monomers capable of crosslinking to bi- or multifunctional chems. The most common NS synthetic pathway consists in dissolving the chosen CD and an appropriate crosslinker in organic polar aprotic liquids (e.g., N,N-dimethylformamide or DMSO), which affect the final result, especially for potential biomedical applications. This article describes a new, green synthetic pathway through mechanochem., in particular via ball milling and using 1,1-carbonyldiimidazole as the crosslinker. The polymer obtained exhibited the same characteristics as a CD-based carbonate NS synthesized in a solvent. Moreover, after the synthesis, the polymer was easily functionalized through the reaction of the nucleophilic carboxylic group with three different organic dyes (fluorescein, methyl red, and rhodamine B) and the still reactive imidazoyl carbonyl group of the NS. In the experiment, the researchers used 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 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.Product Details of 530-62-1

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem