Category: imidazoles-derivatives

In 2018,Minrovic, Bradley M.; Jung, David; Melander, Roberta J.; Melander, Christian published 《New Class of Adjuvants Enables Lower Dosing of Colistin Against Acinetobacter baumannii》.ACS Infectious Diseases published the findings.Application In Synthesis of 1H-Imidazol-2-amine The information in the text is summarized as follows:

Antibiotic resistance has become increasingly prevalent over the past few decades, and this combined with a dearth in the development of new classes of antibiotics to treat multidrug resistant Gram-neg. infections has led to a significant global health problem and the increased usage of colistin as the last resort antibiotic. Colistin, however, presents dose dependent toxicity in the clinic. One potential approach to combating this problem is the use of an antibiotic adjuvant, a compound that is nontoxic to the bacteria that enhances the potency of colistin and ultimately allows for reducing dosing. Herein, we present a new urea-containing class of 2-aminoimidazole-based adjuvants that potentiates colistin activity against colistin-sensitive Acinetobacter baumannii. Lead compounds enabled 1000-fold reduction in the min. inhibitory concentration of colistin in vitro and showed efficacy in a Galleria mellonella infection model, representing the first step toward validating the potential of employing these adjuvants to lower colistin dosage. After reading the article, we found that the author used 1H-Imidazol-2-amine(cas: 7720-39-0Application In Synthesis of 1H-Imidazol-2-amine)

1H-Imidazol-2-amine(cas: 7720-39-0) belongs to anime. Acylation is one of the most important reactions of primary and secondary amines; a hydrogen atom is replaced by an acyl group (a group derived from an acid, such as RCOOH or RSO3H, by removal of ―OH, such as RC(=O)―, RS(O)2―, and so on). Reagents may be acid chlorides (RCOC1, RSO2C1), anhydrides ((RCO)2O), or even esters (RCOOR′); the products are amides of the corresponding acids.Application In Synthesis of 1H-Imidazol-2-amine

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

In 2022,Inorganic Chemistry Frontiers included an article by Das, Rajesh; Parihar, Vaibhav; Nagaraja, C. M.. COA of Formula: C27H39ClN2. The article was titled 《Strategic design of a bifunctional Ag(I)-grafted NHC-MOF for efficient chemical fixation of CO2 from a dilute gas under ambient conditions》. The information in the text is summarized as follows:

The chem. fixation of carbon dioxide into valuable products constitutes a promising step toward reducing the atm. CO2 concentration Consequently, herein we report the strategic design of a bifunctional catalyst by grafting catalytically active Ag(I) ions onto N-heterocyclic carbene (NHC) sites in a MOF for efficient chem. fixation of CO2 from a dilute gas to oxazolidinones, bio-relevant commodity chems. Indeed, Ag(I)@MOF-NHC demonstrated excellent catalytic activity for efficient fixation of CO2 from a dilute gas (CO2 : N2 = 13 : 87%) with alkynes to afford valuable chems., oxazolidinones, under RT and atm. pressure (balloon) conditions. The superior activity of the Ag(I) anchored MOF over the individual (AgNO3 and MOF-NHC) components has been ascribed to the synergistic effect between the CO2-philic NHC and alkynophilic Ag(I) sites exposed in the 1D channels of the MOF. Furthermore, the Ag(I) anchored MOF showed high recyclability without significant loss of catalytic activity and structural rigidity. Overall, this is a unique demonstration of the utilization of dilute CO2 under environmentally friendly mild conditions and can pave the way for the development of efficient catalytic systems for sustainable utilization of CO2 from dilute gases. The results came from multiple reactions, including the reaction of 1,3-Bis(2,6-diisopropylphenyl)-4,5-dihydro-1H-imidazol-3-ium chloride(cas: 258278-25-0COA of Formula: C27H39ClN2)

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.COA of Formula: C27H39ClN2In addition, it can efficiently catalyze the Suzuki-Miyaura coupling of aryl chlorides with aryl boronic acids.

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

In 2020,Advances in Inorganic Chemistry included an article by Ott, Ingo. Product Details of 258278-25-0. The article was titled 《Metal N-heterocyclic carbene complexes in medicinal chemistry》. The information in the text is summarized as follows:

A review. Based on their strong s-donor properties N-heterocyclic carbene (NHC) ligands can form stable complexes with many transition metals. Numerous applications of metal NHC complexes have been developed in the field of chem. catalysis. The option to generate very stable complexes as well as the convenient access to a high number of structurally diverse NHC ligands have made them also attractive target compounds in inorganic medicinal chem. A fast increasing number of reports demonstrates that metal NHC complexes provide an excellent scaffold for metallodrug design and many examples have been studied pharmacol. in great detail. This chapter focuses on metal NHC complexes containing the selected metals ruthenium, rhodium, silver, iridium and gold. In the experiment, the researchers used many compounds, for example, 1,3-Bis(2,6-diisopropylphenyl)-4,5-dihydro-1H-imidazol-3-ium chloride(cas: 258278-25-0Product Details of 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.Product Details of 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

《A general protocol for the synthesis of Pt-NHC (NHC = N-heterocyclic carbene) hydrosilylation catalysts》 was published in Dalton Transactions in 2020. These research results belong to Maliszewski, Benon P.; Tzouras, Nikolaos V.; Guillet, Sebastien G.; Saab, Marina; Belis, Marek; Van Hecke, Kristof; Nahra, Fady; Nolan, Steven P.. SDS of cas: 258278-25-0 The article mentions the following:

A general, user-friendly synthetic route to [Pt(NHC)(L)Cl2] and [Pt(NHC)(dvtms)] (L = DMS, Py; DMS = di-Me sulfide, dvtms = divinyltetramethylsiloxane, Py = pyridine) complexes has been developed. The procedure is applicable to a wide range of ligands and enables facile synthetic access to key Pt(0)- and Pt(II)-NHC complexes used in hydrosilylation catalysis. In addition to this study using 1,3-Bis(2,6-diisopropylphenyl)-4,5-dihydro-1H-imidazol-3-ium chloride, there are many other studies that have used 1,3-Bis(2,6-diisopropylphenyl)-4,5-dihydro-1H-imidazol-3-ium chloride(cas: 258278-25-0SDS of cas: 258278-25-0) was used in this study.

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.SDS of cas: 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

SDS of cas: 58-85-5In 2019 ,《High doses of biotin can interfere with immunoassays that use biotin-strept(avidin) technologies: Implications for individuals with biotin-responsive inherited metabolic disorders》 appeared in Molecular Genetics and Metabolism. The author of the article were Wolf, Barry. The article conveys some information:

A review. This article discusses about biotin interference in immunoassays and to alert the healthcare providers who care for individuals with one or more of the biotin-responsive disorders being treated with pharmacol. doses of biotin. 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: 58-85-5SDS of cas: 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.SDS of cas: 58-85-5 And it has been used as a vitamin supplement for the growth of Bacillus species.

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Recommanded Product: 58-85-5In 2019 ,《Biotin interference in immunoassay: a review for the laboratory scientist》 appeared in Annals of Clinical Biochemistry. The author of the article were Avery, Gordon. The article conveys some information:

A review. The recent FDA Biotin (Vitamin B7): Safety Communication – May Interfere with Lab Tests and A statement from the ACB Scientific Committee regarding biotin/vitamin B7 interference in immunoassays have raised into the laboratory consciousness the need to understand and to manage the issues around biotin interference with some immunoassays and to provide education and advice to health-care providers. In patients who are prescribed biotin or take biotin supplements, biotin has the potential to cause falsely low or falsely high results in immunoassays using streptavidin-biotin binding as part of the assay methodol. Streptavidin-biotin binding is used by many manufacturers; some manufacturers use it for most of their immunoassays, some for a few of their immunoassays and some manufacturers do not use this assay format at all. The direction and magnitude of interference and the concentration of biotin which affects an assay are highly variable and assay specific. There have been many papers and case reports published recently of biotin interference in immunoassay, and biotin interference is probably one of the most difficult types of inference to detect and to obviate. This review will assess the currently available information on this topic and review the steps the laboratory can take to reduce the risk of incorrect patient results being reported. 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: 58-85-5Recommanded Product: 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.Recommanded Product: 58-85-5 And it has been used as a vitamin supplement for the growth of Bacillus species.

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Prasoona, Gumpula; Kishore, Baireddy; Brahmeshwari, Gavaji published their research in Letters in Organic Chemistry in 2021. The article was titled 《Synthesis and Antimicrobial Evaluation of Benzimidazolyl Pyrimido[4,5-b]Quinolinones》.HPLC of Formula: 934-32-7 The article contains the following contents:

The reaction of 2-amino benzimidazoles with Et cyanoacetate afforded N-(1H-benzo[d]imidazol-2-yl)-2-cyanoacetamides I (R = H, Cl, NO2, Me, etc.). Compounds I on Knoevenagel condensation with o-nitro benzaldehydes produced (E)-N-(1H-benzo[d]imidazol-2-yl)-2-cyano-3-(2-nitrophenol) acylamides II (R1 = H, Cl, OMe). Compounds II were converted to 2-amino-N-(1H-benzo[d]imidazol-2-yl) quinoline-3-carboxamides III on treatment with stannous chloride by reductive cyclization. The target compounds viz., 3-(1H-benzo[d]imidazol-2-yl)-2-methylpyrimido[4,5-b]quinolin-4(3H)-ones IV were obtained by N-acetylation followed by cyclodehydration of compounds III in situ by treatment with acetic anhydride. 3-(1H-Benzo[d]imidazol-2-yl)-2-methylpyrimido[4,5-b]quinolin-4(3H)-ones IV have been synthesized from com. available materials in excellent yields. The title compounds IV are evaluated for in vitro antimicrobial activity. Compounds IV (R = Me; R1 = H), IV (R = OMe; R1 = H) and IV (R = H; R1 = OMe) have shown more antimicrobial activity than that of standard drugs. The structures of all the newly synthesized compounds I, II, III & IV are confirmed on the basis of spectral data. Antimicrobial studies of compounds IV have revealed that compounds IV (R = Me; R1 = H) and IV (R = OMe; R1 = H) have more efficient activity when compared to the standard drugs. 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

Li, Wei-Ze; Wang, Zhong-Xia published their research in Organic & Biomolecular Chemistry in 2021. The article was titled 《Nickel-catalyzed coupling of R2P(O)Me (R = aryl or alkoxy) with (hetero)arylmethyl alcohols》.Application of 141556-45-8 The article contains the following contents:

α-Alkylation of methyldiarylphosphine oxides with (hetero)arylmethyl alcs. was performed under nickel catalysis. Various arylmethyl and heteroarylmethyl alcs. can be used in this transformation. A series of methyldiarylphosphine oxides were alkylated with 30-90% yields. Functional groups on the aromatic rings of methyldiarylphosphine oxides or arylmethyl alcs. including OMe, NMe2, SMe, CF3, Cl, and F groups can be tolerated. The conditions are also suitable for the α-alkylation reaction of dialkyl methylphosphonates. After reading the article, we found that the author used 1,3-Dimesityl-1H-imidazol-3-ium chloride(cas: 141556-45-8Application of 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.Application of 141556-45-8

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

《Ru-Pd Thermoresponsive Nanocatalyst Based on a Poly(ionic liquid) for Highly Efficient and Selectively Catalyzed Suzuki Coupling and Asymmetric Transfer Hydrogenation in the Aqueous Phase》 was written by Li, Xinjuan; Sun, Yanping; Wang, Shangyue; Jia, Xianbin. Computed Properties of C4H6N2 And the article was included in ACS Applied Materials & Interfaces in 2020. The article conveys some information:

The development of intelligent polymeric materials to precisely control the catalytic sites of heterogeneous catalysts and enable highly efficient catalysis of a cascade reaction is of great significance. The use of a polymer ionic liquid (PIL) containing 2 different anions facilitates the preparation of Ru-Pd catalysts with controllable phase transition temperatures and hydrophilic and hydrophobic surfaces. The combined multifunctionality, synergistic effects, micellar effects, aggregation effects, and temperature responsiveness of the nanocatalyst render it suitable for promoting selectively catalyzed Suzuki coupling and asym. transfer hydrogenation in H2O. Above the lower critical solution temperature (LCST) of the catalyst, it catalyzes only the coupling reaction with a high turnover number (TON) of ≤999.0. Below the LCST, the catalyst catalyzes only the asym. transfer hydrogenation with good catalytic activity and enantioselectivity. It is important that the catalyst can be simply and effectively recovered and recycled ≥10 times without significant loss of catalytic activity and enantioselectivity. This study also highlights the superiority of multifunctional heterogeneous catalysts based on PILs, which not only overcome limitations associated with low activity of heterogeneous catalysts but also realize selective reactions according to a temperature change, thereby improving the reactivity and enantioselectivity in multiple organic transformations. In the experiment, the researchers used many compounds, for example, 1-Methyl-1H-imidazole(cas: 616-47-7Computed Properties 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.Computed Properties of C4H6N2

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

《The biotin biosynthetic pathway in Mycobacterium tuberculosis is avalidated target for the development of antibacterial agents》 was written by Bockman, Matthew R.; Mishra, Neeraj; Aldrich, Courtney C.. Product Details of 58-85-5 And the article was included in Current Medicinal Chemistry in 2020. The article conveys some information:

Mycobacterium tuberculosis, responsible for Tuberculosis (TB), remains the leading cause of mortality among infectious diseases worldwide from a single infectious agent, with an estimated 1.7 million deaths in 2016. Biotin is an essential cofactor in M. tuberculosis that is required for lipid biosynthesis and gluconeogenesis. M. tuberculosis relies on de novo biotin biosynthesis to obtain this vital cofactor since it cannot scavenge sufficient biotin from a mammalian host. The biotin biosynthetic pathway in M. tuberculosis has been well studied and rigorously genetically validated providing a solid foundation for medicinal chem. efforts. This review examines the mechanism and structure of the enzymes involved in biotin biosynthesis and ligation, summarizes the reported genetic validation studies of the pathway, and then analyzes the most promising inhibitors and natural products obtained from structure-based drug design and phenotypic screening. The results came from multiple reactions, including the reaction of 5-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid(cas: 58-85-5Product Details 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.Product Details of 58-85-5 And it has been used for blocking endogenous biotin during immunohistology procedures.

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem