Author: Jessica.F

In 2022,Dai, Yue; Wu, Xiaopei; Yin, Yihua; Dai, Honglian published an article in International Journal of Pharmaceutics (Amsterdam, Netherlands). The title of the article was 《GSH/enzyme-responsive 2-sulfonyl-1-methylimidazole prodrug for enhanced transdermal drug delivery and therapeutic efficacy against hyperthyroidis》.HPLC of Formula: 616-47-7 The author mentioned the following in the article:

Novel GSH/enzyme-responsive anti-hyperthyroidism prodrugs designed for transdermal delivery of 2-sulfonyl-1- methylimidazole (MMI) were synthesized by a Michael addition reaction of MMI with propiolic acid (PA) followed by esterification with three long chain fatty alcs. and their structures were characterized by 1H NMR, 13C NMR and mass spectrometry. Their maximum steady state flux through rat skin in the PG/W solution was found to be more than 37-times faster than that of MMI. The result may be attributed to the improved lipophilicity of prodrug and rapid bioconversion. The prodrugs were hydrolyzed by esterase on passing through the skin and appeared mainly as intermediate MMI-PA in the receiver compartment and accompanied by a small amount of MMI and intact prodrug. The prodrugs did not release any MMI in the media without GSH or with 100 μM GSH, while the obvious MMI release could be observed within 6.4 h in the media containing 2 mM and 10 mM GSH, and their maximum cumulative release rates reached 95.07% for lauryl alc. ester prodrug (MMI-PA-OLa). MMI-PA-OLa exhibited a significant inhibition effect on lactoperoxidase (LPO) after being incubated in millimolar GSH media, whose inhibition rate was very similar to that of free MMI with an equivalent dose. These results suggested that MMI-PA-OLa could pass efficiently through the skin and release MMI in response to the intracellular environment. After reading the article, we found that the author used 1-Methyl-1H-imidazole(cas: 616-47-7HPLC of Formula: 616-47-7)

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.HPLC of Formula: 616-47-7

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

《Rapid Ultrasensitive Gel-Free Immunoblotting with Magnetic Labels》 was written by Shlyapnikov, Yuri M.; Kanev, Igor L.; Shlyapnikova, Elena A.. Product Details of 616-47-7 And the article was included in Analytical Chemistry (Washington, DC, United States) in 2020. The article conveys some information:

Immunoblotting is widely used for the detection of proteins using specific antibodies. We present here a new immunoblotting method, which is characterized by exceptional sensitivity, rapidness, and low consumption of antibodies. A thin conductive layer between touching hydrophilic cellulose membranes instead of polyacrylamide gel is used for the electrophoretic separation of proteins. Contrary to common Western blotting, the separation occurs in nondenaturing conditions. The membrane surface is smoothed by deposition of the cellulose layer and modified with azidophenyl groups, allowing for the photochem. in situ immobilization of proteins, which are carried out after the electrophoresis. Thus, the addnl. step of transferring the protein from the gel onto the membrane is eliminated. Specific protein bands are then visualized by decoration with magnetic beads. The limit of detection of interleukin IL-1β reaches 0.3 fg or ∼104 mols., whereas the total blotting time is about 5 min. The application of the technique is demonstrated by the detection of IL-1β, total IgA, and IgA specific to Mycobacterium tuberculosis antigen in the exhaled breath samples, obtained from healthy subjects and tuberculosis patients. After reading the article, we found that the author used 1-Methyl-1H-imidazole(cas: 616-47-7Product Details of 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.Product Details of 616-47-7

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

《Isolable, gold carbonyl complexes supported by N-heterocyclic carbenes》 was published in Chemical Communications (Cambridge, United Kingdom) in 2011. These research results belong to Dash, Chandrakanta; Kroll, Peter; Yousufuddin, Muhammed; Dias, H. V. Rasika. Safety of Chloro{1,3-bis[2,6-bis(1-methylethyl)phenyl]-4,5-dihydroimidazol-2-ylidene}gold(I) The article mentions the following:

Cationic gold carbonyl complexes supported by N-heterocyclic carbene ligands, 1,3-bis(2,6-diisopropylphenyl)imidazolin-2-ylidene (SIDipp) and 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene (IDipp), have been synthesized. [(SIDipp)Au(CO)][SbF6] has a linear, two-coordinate gold center. [(SIDipp)Au(CO)][SbF6] and [(IDipp)Au(CO)][SbF6] display νCO values at 2197 and 2193 cm-1, resp. Computational studies on [(SIMe)Au(CO)]+ indicate the presence of a strong Au(I)-CO bond. The experimental part of the paper was very detailed, including the reaction process of Chloro{1,3-bis[2,6-bis(1-methylethyl)phenyl]-4,5-dihydroimidazol-2-ylidene}gold(I)(cas: 852445-84-2Safety of Chloro{1,3-bis[2,6-bis(1-methylethyl)phenyl]-4,5-dihydroimidazol-2-ylidene}gold(I))

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.
Safety of Chloro{1,3-bis[2,6-bis(1-methylethyl)phenyl]-4,5-dihydroimidazol-2-ylidene}gold(I) However, the application of imidazoles is not limited to the field of peptides and peptidomimetics.

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

《Reactions of lead tetraacetate. VII. Some reactions leading to pyrazoles》 was published in Journal of the Chemical Society [Section] C: Organic in 1966. These research results belong to Gladstone, W. A. F.; Norman, R. O. C.. Safety of 3-(1H-Benzo[d]imidazol-2-yl)propan-1-ol The article mentions the following:

cf. preceding abstract Four 2-pyrazolines were oxidized to the corresponding pyrazoles in high yields by Pb(OAc)4 at room temperature: this reagent has advantages over others which have been used previously. Pb(OAc)4 converts chalcone phenylhydrazone directly into 1,3,5-triphenylpyrazole, in contrast to its reactions with the arylhydrazones of aromatic ketones which give azoacetares. Two 2-pyrazolines which cannot undergo direct aromatization have been converted into pyrazoles by oxidation with Pb(OAc)4 to 4-acetoxy-2-pyrazolines followed by acid-catalyzed rearrangement and elimination. 19 references. In the experimental materials used by the author, we found 3-(1H-Benzo[d]imidazol-2-yl)propan-1-ol(cas: 2403-66-9Safety of 3-(1H-Benzo[d]imidazol-2-yl)propan-1-ol)

3-(1H-Benzo[d]imidazol-2-yl)propan-1-ol(cas: 2403-66-9) 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 3-(1H-Benzo[d]imidazol-2-yl)propan-1-ol

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

HPLC of Formula: 2403-66-9On March 15, 2004, Kusama, Hitoshi; Arakawa, Hironori published an article in Journal of Photochemistry and Photobiology, A: Chemistry. The article was 《Influence of benzimidazole additives in electrolytic solution on dye-sensitized solar cell performance》. The article mentions the following:

The influence of benzimidazole additives on the performance of a bis(tetrabutylammonium)-cis-bis(thiocyanato)bis(2,2′-bipyridine-4-carboxylic acid, 4′-carboxylate)ruthenium(II) dye-sensitized TiO2 solar cell with an I-/I3- redox electrolyte in acetonitrile was studied by measuring the current-voltage characteristics of >20 different benzimidazole derivatives under AM 1.5 (100 mW/cm2). The benzimidazole additives tested had varying effects on the cell performance. Adding benzimidazole drastically enhanced the open-circuit photovoltage (Voc) and the fill factor (ff), but reduced the short-circuit photocurrent d. (Jsc) of the solar cell. To determine the reasons for the additive effects on cell performance the phys. and chem. properties of the benzimidazoles were computationally calculated Consequently, the greater the calculated partial charge of the nitrogen atoms in position 3 of the benzimidazole groups, the larger the Voc, but the smaller the Jsc values. The Voc values also increased as the mol. size of the benzimidazole derivatives decreased. Also, the greater the absolute difference between the calculated dipole moment of the benzimidazole and acetonitrile, the larger the Jsc value. Probably these properties of the benzimidazoles influenced the extent of interaction between the TiO2 electrode and electrolyte solvent, which changed the dye-sensitized solar cell performance. In the experiment, the researchers used 3-(1H-Benzo[d]imidazol-2-yl)propan-1-ol(cas: 2403-66-9HPLC of Formula: 2403-66-9)

3-(1H-Benzo[d]imidazol-2-yl)propan-1-ol(cas: 2403-66-9) belongs to imidazoles.Imidazole rings are part of unnatural cyclic peptides and are used as ester isosteres in peptidomimetic studies.
HPLC of Formula: 2403-66-9 However, the application of imidazoles is not limited to the field of peptides and peptidomimetics.

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

In 2019,International Journal of Pharmacy and Biological Sciences included an article by Brahmeshwari, G.; Dhanaja, K.; Gullapelli, Kumaraswamy; Muralikrishna, T.. HPLC of Formula: 934-32-7. The article was titled 《Synthesis and antioxidant activity of new thioxo triazinane 2-one derivatives》. The information in the text is summarized as follows:

4-Thioxo,1,3,5-triazinane-2-ones were synthesized by the fusion of aryl isocyanides with 2-aminobenzimidazole. All the compounds were screened for their antioxidant activity by the determination of DPPH, superoxide, and nitric oxide scavenging. Some of the title compounds were proved promising activity against the test organisms, employed. The structures of newly synthesized compounds were established on the basis of spectroscopic anal. In the part of experimental materials, we found many familiar compounds, such as 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

In 2019,Environmental Science and Pollution Research included an article by Pinheiro da Costa, Elizangela; Bottrel, Sue Ellen C.; Starling, Maria Clara V. M.; Leao, Monica M. D.; Amorim, Camila Costa. Synthetic Route of C7H7N3. The article was titled 《Degradation of carbendazim in water via photo-Fenton in Raceway Pond Reactor: assessment of acute toxicity and transformation products》. The information in the text is summarized as follows:

This study aimed at investigating the degradation of fungicide carbendazim (CBZ) via photo-Fenton reactions in artificially and solar irradiated photoreactors at laboratory scale and in a semi-pilot scale Raceway Pond Reactor (RPR), resp. Acute toxicity was monitored by assessing the sensibility of bioluminescent bacteria (Aliivibrio fischeri) to samples taken during reactions. In addition, byproducts formed during solar photo-Fenton were identified by liquid chromatog. coupled to mass spectrometry (UFLC-MS). For tests performed in lab-scale, two artificial irradiation sources were compared (UVλ>254nm and UV-Visλ>320nm). A complete design of experiments was performed in the semi-pilot scale RPR in order to optimize reaction conditions (Fe2+ and H2O2 concentrations, and water depth). Efficient degradation of carbendazim (> 96%) and toxicity removal were achieved via artificially irradiated photo-Fenton under both irradiation sources. Control experiments (UV photolysis and UV-Vis peroxidation) were also efficient but led to increased acute toxicity. In addition, H2O2/UVλ>254nm required longer reaction time (60 min) when compared to the photo-Fenton process (less than 1 min). While Fenton’s reagent achieved high CBZ and acute toxicity removal, its efficiency demands higher concentration of reagents in comparison to irradiated processes. Solar photo-Fenton removed carbendazim within 15 min of reaction (96%, 0.75 kJ L-1), and monocarbomethoxyguanidine, benzimidazole isocyanate, and 2-aminobenzimidazole were identified as transformation products. Results suggest that both solar photo-Fenton and artificially irradiated systems are promising routes for carbendazim degradation1H-Benzo[d]imidazol-2-amine(cas: 934-32-7Synthetic Route of C7H7N3) 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.Synthetic Route of C7H7N3

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

《Preparation and characterization of cyclodextrin nanosponges for organic toxic molecule removal》 was published in International Journal of Pharmaceutics (Amsterdam, Netherlands) in 2020. These research results belong to Varan, Cem; Anceschi, Anastasia; Sevli, Serhat; Bruni, Natascia; Giraudo, Leonardo; Bilgic, Elif; Korkusuz, Petek; Iskit, Alper B.; Trotta, Francesco; Bilensoy, Erem. Synthetic Route of C7H6N4O The article mentions the following:

Cyclodextrin-based nanosponges (CD-NS) are considered as safe and biocompatible systems for removing toxic mols. from the body. Rapid removal of toxic mols. that are formed in the body from certain food constituents, is relevant especially for patients affected by chronic kidney disease. Within the scope of this study, innovative cyclodextrin polymers were synthesized to form nanosponges able to remove indole, before it could form the toxic indoxyl sulfate in the body. Furthermore, in vivo studies were carried out using the two optimal CD-NS formulations by assessing physicochem. properties, stability, indole adsorption capacity and in vitro cytotoxicity. NS prepared from β-cyclodextrin crosslinked with toluene diisocyanate was found to be the most effective NS with an in vitro indole adsorption capacity of over 90%. In addition, this derivative was more stable in gastrointestinal media. Animal studies further revealed that oral CD-NSs did not tend to accumulate and damage gastrointestinal tissues and are excreted from the GI tract with minimal absorption. In conclusion, this study suggests that CD-NS formulations are effective and safe in removing toxic mols. from the body. Their potential use in veterinary or human medicine could reduce dialysis frequency and avoid hepatic and cardiac toxicity avoiding the indole formation. The experimental process involved the reaction of Di(1H-imidazol-1-yl)methanone(cas: 530-62-1Synthetic Route of C7H6N4O)

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.Synthetic Route of C7H6N4O

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Application In Synthesis of 2-Bromo-1H-imidazoleIn 1982 ,《Radiosensitization by non-nitro compounds》 appeared in International Journal of Radiation Oncology, Biology, Physics. The author of the article were Wardman, P.; Anderson, R. F.; Hodgkiss, R. J.; Parrick, J.; Smithen, C. E.; Wallace, R. G.; Watts, M. E.. The article conveys some information:

The effects of non-nitro compounds on the radiosensitivity of hypoxic Chinese hamster V79-379A or Escherichia coli AB 1157 cells in vitro are outlined. Imidazole derivatives substituted with several alternative electron-withdrawing groups are described; the dicyanovinyl function conferred considerable radiosensitizing activity. 2,4,5-Tribromoimidazole and 2,4-DNP may show unusual radiosensitizing activity because of interference with oxidative phosphorylation. Attempts to influence radiosensitivity by compounds potentially capable of depleting intracellular SH groups are also described.2-Bromo-1H-imidazole(cas: 16681-56-4Application In Synthesis of 2-Bromo-1H-imidazole) 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. Application In Synthesis of 2-Bromo-1H-imidazole

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

In 2022,Chemical Communications (Cambridge, United Kingdom) included an article by Tzouras, Nikolaos V.; Gobbo, Alberto; Pozsoni, Nestor Bracho; Chalkidis, Savvas G.; Bhandary, Subhrajyoti; Van Hecke, Kristof; Vougioukalakis, Georgios C.; Nolan, Steven P.. Recommanded Product: 258278-25-0. The article was titled 《Hydrogen bonding-enabled gold catalysis: ligand effects in gold-catalyzed cycloisomerizations in hexafluoroisopropanol (HFIP)》. The information in the text is summarized as follows:

Gold catalysis has witnessed immense evolution in recent years, yet it still requires the use of activators to render the common [AuCl(L)] complexes catalytically active. Herein, the H-bonding donor properties of hexafluoroisopropanol (HFIP) are utilized for Au-Cl bond activation and the ancillary ligand and counteranion effects on cycloisomerization reactions are showcased in HFIP as solvent. In the experimental materials used by the author, we found 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) has been employed in an efficient, one-pot synthesis of N-heterocyclic carbene-allylpalladium complexes.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