Tag: 200-300

Catalytic synthesis of normal propyl cinnamate in acidic ionic liquid was written by Huang, Yanxian. And the article was included in Yingyong Huagong in 2012.Computed Properties of C10H20N2O4S The following contents are mentioned in the article:

Normal Pr cinnamate was synthesized with acidic ionic liquid[Hmim]HSO₄ as catalyst. The effects of molar ratio of acid/alc., reaction time and the catalyst amount of ionic liquid on the yield of Pr cinnamate were investigated and the optimal conditions were as follows: amount of cinnamic acid 1.48 g (0.01 mol), the molar ratio of acid to alc. 1:6, catalyst 2 mL, reaction time 5 h. The yield of the Pr cinnamate could reach 88.2%. The ionic liquid could be reused for 5 times without much lose in activities. The structure of Pr cinnamate was characterized by IR spectrum and chromatog./mass spectrometry. This study involved multiple reactions and reactants, such as 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4Computed Properties of C10H20N2O4S).

1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4) belongs to imidazole derivatives. 1H-imidazole is an imidazole tautomer which has the migrating hydrogen at position 1. It is a conjugate base of an imidazolium cation. It is a conjugate acid of an imidazolide. It is a tautomer of a 4H-imidazole. Imidazole is incorporated into many important biological compounds. The most pervasive is the amino acid histidine, which has an imidazole side-chain. Histidine is present in many proteins and enzymes, e.g. by binding metal cofactors, as seen in hemoglobin.Computed Properties of C10H20N2O4S

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Alkylation of isobutene and butane in acid ionic solution was written by Huang, Ying-lei;Yu, Chang-shun;Wang, Yan;Wang, Shao-jun. And the article was included in Dalian Gongye Daxue Xuebao in 2009.Related Products of 478935-29-4 The following contents are mentioned in the article:

Ionic liquids of [C₄ mim]HSO₄, [C₆mim]HSO₄ and [C₈mim]HS0₄ were synthesized by two-step method and used for alkylation of isobutene and butane. The effect of ionic liquids, temperature and catalyst on alkylation was studied. The best result was obtained when ionic liquids [C₆mim]HSO₄ was used as catalyst. The conversion rate with [C₆mim]HSO₄ as catalyst was 90% and the yield of alkylation was 89%, in which the optimum reaction time was 1 h and the amount of [C₆mim]HSO₄ was 6 g. This study involved multiple reactions and reactants, such as 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4Related Products of 478935-29-4).

1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4) belongs to imidazole derivatives. Among the different heterocyclic compounds, imidazole is better known due to its broad range of chemical and biological properties. Imidazole has become an important synthon in the development of new drugs. Many drugs contain an imidazole ring, such as certain antifungal drugs, the nitroimidazole series of antibiotics, and the sedative midazolam.Related Products of 478935-29-4

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Novel one-pot facile synthesis of thiopyranopyrazole using [Hmim]HSO₄ catalyst was written by Srivastava, Vishal;Singh, Pravin K.;Singh, Praveen P.. And the article was included in Croatica Chemica Acta in 2014.Category: imidazoles-derivatives The following contents are mentioned in the article:

An efficient and easy protocol has been developed for synthesis of thiopyranopyrazoles I (R = 4-ClC₆H₄, 4-MeOC₆H₄, 4-BrC₆H₄, etc.) by using [Hmim]HSO₄ as recyclable catalyst under solvent-free condition at room temperature This environmentally benign method has advantages, such as high yield of products, simple work-up procedure, and avoidance of the organic solvents, which will contribute in serving as a green process greatly. The catalyst was easily recovered and reused without any considerable loss of activity. This study involved multiple reactions and reactants, such as 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4Category: imidazoles-derivatives).

1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4) belongs to imidazole derivatives. Among the different heterocyclic compounds, imidazole is better known due to its broad range of chemical and biological properties. Imidazole has become an important synthon in the development of new drugs. Imidazole is incorporated into many important biological compounds. The most pervasive is the amino acid histidine, which has an imidazole side-chain. Histidine is present in many proteins and enzymes, e.g. by binding metal cofactors, as seen in hemoglobin.Category: imidazoles-derivatives

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

One-pot oxidative conjugate hydrothiocyanation-hydrosulfenylation of Baylis-Hillman alcohols promoted by a protic ionic liquid was written by Yadav, Lal Dhar Singh;Patel, Rajesh;Srivastava, Vishnu Prabhakar. And the article was included in Synlett in 2008.Synthetic Route of C10H20N2O4S The following contents are mentioned in the article:

The first example of one-pot oxidative conjugate hydrothiocyanation-hydrosulfenylation of acrylic ester derived Baylis-Hillman alcs., i.e., Me 3-aryl-3-hydroxy-2-methylenepropanoate, was reported. The reaction involved protic ionic liquid [Hmim]HSO₄-mediated oxidation of Baylis-Hillman alcs. with NaNO₃ to give Me (E)-α-formylcinnamates followed by conjugate addition of sulfur-centered nucleophiles (NH₄SCN/PhSH) to afford the corresponding Me β-thiocyanato (or β-phenylsulfenyl)-α-formylhydrocinnamates diastereoselectively in 74-87% yields in a one-pot procedure. After isolation of the product, the ionic liquid [Hmim]HSO₄ could be easily recycled for further use without any loss of efficiency. This study involved multiple reactions and reactants, such as 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4Synthetic Route of C10H20N2O4S).

1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4) belongs to imidazole derivatives. Many natural products, especially alkaloids, contain the imidazole ring. These imidazoles share the 1,3-C3N2 ring but feature varied substituents. Imidazole also acts as a microtubule destabilizing agents and inhibits topoisomerase and Cytochrome P450 Family 26 Subfamily A Member 1 (CYP26A1) enzymes.Synthetic Route of C10H20N2O4S

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Transesterification of waste oil to biodiesel using Bronsted acid ionic liquid as catalyst was written by Liu, Shiwei;Wang, Zhiping;Yu, Shitao;Xie, Congxia. And the article was included in Bulletin of the Chemical Society of Ethiopia in 2013.Application of 478935-29-4 The following contents are mentioned in the article:

Bronsted acid ionic liquids were employed for the preparation of biodiesel using waste oil as the feedstock. It was found that IL 1-(3-sulfonic acid)propyl-3-methylimidazole hydrosulfate-[HO₃S-pmim]HSO₄ was an efficient catalyst for the reaction under the optimum conditions: n(oil):n(methanol) 1:12, waste oil 15.0 g, ionic liquid 2.0 g, reaction temperature 120 °C and reaction time 8 h, the yield of biodiesel was more than 96%. The reusability of the ionic liquid was also investigated. When the ionic liquid was repeatedly used for five times, the yield of product was still more than 93%. Therefore, an efficient and environmentally friendly catalyst was provided for the synthesis of biodiesel from waste oils. This study involved multiple reactions and reactants, such as 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4Application of 478935-29-4).

1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4) belongs to imidazole derivatives. Imidazole is the basic core of some natural products such as histidine, purine, histamine and DNA based structures, etc. Among the different heterocyclic compounds, imidazole is better known due to its broad range of chemical and biological properties. Imidazole has been usedin the lysis, wash and elution buffer for the purification of histidine tagged Sonic Hedgehog(shh-N) protein, in elution buffer in stepwise gradient for the purification of histidine tagged aldo keto reductases using nickel affinity chromatography, as a component of homogenization buffer for the purification of phagosomal compartments from dendritic cells.Application of 478935-29-4

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Spectral and quantum-chemical study of properties and structure of 5-hydroxybenzimidazole was written by Zaitsev, B. E.;Gaevskaya, A. E.;Kuznetsov, S. L.;Kuznetsov, Yu. V.;Stolyarova, L. G.;Smirnov, L. D.. And the article was included in Izvestiya Akademi Nauk, Seriya Khimicheskaya in 1992.HPLC of Formula: 101018-70-6 The following contents are mentioned in the article:

The heats of formation of six tautomers of the title compound (I) and their anionic and cationic forms as well as energetic, electronic, and structural characteristics of neutral, protonated, and deprotonated tautomers have been calculated by the MNDO method. According to IR spectra I exists in the hydroxy form as two tautomers in the crystal and in CCl₄ or CH₃CN solution Marked differences were noted in the electronic absorption spectra in acidic media of benzimidazoles with a benzene ring at C-2 as compared with those having alkyl substituents at this position. Spectral characteristics are given to distinguish mono- and dianionic forms of I derivatives This study involved multiple reactions and reactants, such as 4-((Dimethylamino)methyl)-2-methyl-1H-benzo[d]imidazol-5-ol (cas: 101018-70-6HPLC of Formula: 101018-70-6).

4-((Dimethylamino)methyl)-2-methyl-1H-benzo[d]imidazol-5-ol (cas: 101018-70-6) belongs to imidazole derivatives. Many natural products, especially alkaloids, contain the imidazole ring. These imidazoles share the 1,3-C3N2 ring but feature varied substituents. Imidazole based anticancer drug find applications in cancer chemotherapy. It is used as buffer component for purification of the histidine tagged recombinant proteins in immobilized metal-affinity chromatography (IMAC).HPLC of Formula: 101018-70-6

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Hydrogensulphate ionic liquids as an efficient catalyst for the synthesis of cyclic carbonates from carbon dioxide and epoxides was written by Jasiak, Katarzyna;Siewniak, Agnieszka;Kopczynska, Katarzyna;Chrobok, Anna;Baj, Stefan. And the article was included in Journal of Chemical Technology and Biotechnology in 2016.Electric Literature of C10H20N2O4S The following contents are mentioned in the article:

The synthesis of cyclic carbonates from CO₂ and epoxides using the two-component catalytic system consisting of the ionic liquid based on the imidazolium cation and the hydrogensulfate anion and an aqueous solution of zinc iodide was described. The cyclic carbonates were obtained with high yields (69-99%) and selectivities (>99%) under the optimized conditions: 120 °, 2 MPa of CO₂, without utilization of any organic solvents. The new and effective catalytic system allowed one to obtain cyclic carbonates in high yields and could be reused several times without significant loss of activity. Therefore, the proposed method seems to be useful for practical applications. 2016 Society of Chem. Industry. This study involved multiple reactions and reactants, such as 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4Electric Literature of C10H20N2O4S).

1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4) belongs to imidazole derivatives. The solubility of imidazoles in ethers is lower than that in alcohols and decreases with increasing chain length of the ethers . In contrast, the solubility of benzimidazoles in alcohols (C3–C6) is higher than in water and generally decreases with a Imidazole also acts as a microtubule destabilizing agents and inhibits topoisomerase and Cytochrome P450 Family 26 Subfamily A Member 1 (CYP26A1) enzymes.Electric Literature of C10H20N2O4S

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Ultra-deep removal of thiophene from model oil, catalyzed by amphiphilic ionic liquids in reverse micellar system was written by Nowicki, J.;Wojcik, J.;Muszynski, M.;Woszczynski, P.. And the article was included in Catalysis Communications in 2019.Application In Synthesis of 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate The following contents are mentioned in the article:

Amphiphilic imidazolium ionic liquids have been successfully applied in desulfurization of model oil. The reduction of thiophene content to below 1 ppm was achieved. Dual functionality of ILs used in this study allows to form the reactive reverse micellar system and to catalyze oxidation of thiophene into oxidation products effectively. A mol. interaction of H₂O₂ mol. with imidazolium C2-H proton may be considered as a one of the key factor of desulfurization process carried out in reverse micellar system catalyzed by imidazolium ILs. Furthermore, observed catalytic synergism of imidazolium ILs and H₂SO₄ also affects the high efficiency of this process. This study involved multiple reactions and reactants, such as 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4Application In Synthesis of 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate).

1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4) belongs to imidazole derivatives. Imidazole derivatives generally have good solubility in protic solvents. Simple imidazole derivatives, such as 1H-imidazole, 2-methyl-1H-imidazole, and 1,2-dimethylimidazole, have very high solubility in water. The pharmacophore of imidazole exists in bioactive compounds including amino acids, plant growth regulators and therapeutic agents.n increase of the alkyl chain length of the alcohols. Application In Synthesis of 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Thermal properties of imidazolium ionic liquids was written by Ngo, H. L.;LeCompte, K.;Hargens, L.;McEwen, A. B.. And the article was included in Thermochimica Acta in 2000.SDS of cas: 157310-73-1 The following contents are mentioned in the article:

We investigated the thermal properties of several imidazolium salts using DSC and TGA/SDTA data. Many of these salts are liquids at sub-ambient temperatures These ionic liquids form glasses at low temperatures and have minimal vapor pressure up to their thermal decomposition temperature (>400°C). Thermal decomposition is endothermic with the inorganic anions and exothermic with the organic anions investigated. Halide anions drastically reduce the thermal stability of these salts (<300°C). We have observed that aluminum catalyzes the decomposition of the salts containing the inorganic fluoride anions. The imidazolium cations are thermally more stable than the tetraalkyl ammonium cations. This study involved multiple reactions and reactants, such as 1,2-Dimethyl-3-propyl-1H-imidazol-3-ium hexafluorophosphate(V) (cas: 157310-73-1SDS of cas: 157310-73-1).

1,2-Dimethyl-3-propyl-1H-imidazol-3-ium hexafluorophosphate(V) (cas: 157310-73-1) belongs to imidazole derivatives. Many natural products, especially alkaloids, contain the imidazole ring. These imidazoles share the 1,3-C3N2 ring but feature varied substituents. Imidazole based anticancer drug find applications in cancer chemotherapy. It is used as buffer component for purification of the histidine tagged recombinant proteins in immobilized metal-affinity chromatography (IMAC).SDS of cas: 157310-73-1

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Thermodynamic Properties of a series of closely related ionic liquids based on 1-alkyl-3-methylimidazolium hydrosulfate was written by Xu, Zhi-ce;Wang, Jian-ying;Wang, Xiao-ling;Hu, Yong-qi. And the article was included in Gaodeng Xuexiao Huaxue Xuebao in 2011.Application In Synthesis of 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate The following contents are mentioned in the article:

The densities of a series of ionic liquids [C₄mim]HSO₄ (1-butyl-3-methylimdazolium hydrosulfate), [C₆mim]HSO₄ (1-hexyl-3-methylimdazolium hydrosulfate), [C₈mim]HSO₄ (1-octyl-3-methylimdazolium hydrosulfate) and [C₁mim]HSO₄ (1-decyl-3-methylimdazolium hydrosulfate) were determined from 293.15K to 343.15K. The coefficients of thermal expansion and mol. volume of the ionic liquids were calculated from the d. results. Standard entropy and lattice energy of the ionic liquids were calculated from the exptl. d. values using Glasser’s equation. The thermodn. properties of the ionic liquid were further discussed. This study involved multiple reactions and reactants, such as 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4Application In Synthesis of 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate).

1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4) belongs to imidazole derivatives. Imidazole is a heterocyclic compound with a five-membered planar ring. It is amphoteric and highly polar. Imidazole has been usedin the lysis, wash and elution buffer for the purification of histidine tagged Sonic Hedgehog(shh-N) protein, in elution buffer in stepwise gradient for the purification of histidine tagged aldo keto reductases using nickel affinity chromatography, as a component of homogenization buffer for the purification of phagosomal compartments from dendritic cells.Application In Synthesis of 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem