Tag: 200-300

Catalyzed esterifications in room temperature ionic liquids with acidic counteranion as recyclable reaction media was written by Fraga-Dubreuil, Joan;Bourahla, Khadidja;Rahmouni, Mustapha;Bazureau, Jean Pierre;Hamelin, Jack. And the article was included in Catalysis Communications in 2002.Product Details of 478935-29-4 The following contents are mentioned in the article:

Esterification reactions of acetic acid, methoxyacetic acid and methylmalonic acid with neo-pentanol, hexanol, heptanol and decanol have been investigated in three ionic liquids with hydrogen sulfate, dihydrogen phosphate as counteranions and also two ionic liquids modified with HPF₆ as catalyst. The nature of both the counteranion and cation influence the behavior of the catalyst. Good yields and high selectivities were obtained and all the produced esters could be easily recovered due to their immiscibility with the ionic liquid as green reaction medium. This study involved multiple reactions and reactants, such as 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4Product Details of 478935-29-4).

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. This ring system is present in important biological building blocks, such as histidine and the related hormone histamine.Product Details of 478935-29-4

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Diamide amino-imidazoles: A novel series of γ-secretase inhibitors for the treatment of Alzheimer’s disease was written by Brodney, Michael A.;Auperin, David D.;Becker, Stacey L.;Bronk, Brian S.;Brown, Tracy M.;Coffman, Karen J.;Finley, James E.;Hicks, Carol D.;Karmilowicz, Michael J.;Lanz, Thomas A.;Liston, Dane;Liu, Xingrong;Martin, Barbara-Anne;Nelson, Robert B.;Nolan, Charles E.;Oborski, Christine E.;Parker, Christine P.;Richter, Karl E. G.;Pozdnyakov, Nikolay;Sahagan, Barbara G.;Schachter, Joel B.;Sokolowski, Sharon A.;Tate, Barbara;Van Deusen, Jeffrey W.;Wood, Douglas E.;Wood, Kathleen M.. And the article was included in Bioorganic & Medicinal Chemistry Letters in 2011.Recommanded Product: Methyl 2-methyl-2-(4-nitro-1H-imidazol-1-yl)propanoate The following contents are mentioned in the article:

The synthesis and structure-activity relationship (SAR) of a novel series of di-substituted imidazoles, e.g. I (R = n-Pr, Me, i-Bu, s-Bu, Ph), derived from modification of DAPT, are described. Subsequent optimization led to identification of a highly potent series of inhibitors that contain a β-amine in the imidazole side-chain resulting in a robust in vivo reduction of plasma and brain Aβ in guinea pigs. The therapeutic index between Aβ reductions and changes in B-cell populations were studied for compound aminoimidazole II. This study involved multiple reactions and reactants, such as Methyl 2-methyl-2-(4-nitro-1H-imidazol-1-yl)propanoate (cas: 865774-07-8Recommanded Product: Methyl 2-methyl-2-(4-nitro-1H-imidazol-1-yl)propanoate).

Methyl 2-methyl-2-(4-nitro-1H-imidazol-1-yl)propanoate (cas: 865774-07-8) 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. 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. Recommanded Product: Methyl 2-methyl-2-(4-nitro-1H-imidazol-1-yl)propanoate

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Efficient Combination of Recyclable Task Specific Ionic Liquid and Microwave Dielectric Heating for the Synthesis of Lipophilic Esters was written by Arfan, Atef;Bazureau, Jean Pierre. And the article was included in Organic Process Research & Development in 2005.SDS of cas: 478935-29-4 The following contents are mentioned in the article:

Mild and efficient esterification reactions of carboxylic acids with neo-pentanol were carried out using task-specific ionic liquids with hydrogen sulfate counter-anion under microwave irradiation The latent acidity of the ionic liquid was introduced by anion metathesis from hydrogen sulfate with the corresponding imidazolium or pyridinium halides. The catalyst [C₄mim][HSO₄] modified with 5% of concentrated sulfuric acid was reused three times without considerable loss of activity in esterification using classical heating in oil bath. This study involved multiple reactions and reactants, such as 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4SDS of cas: 478935-29-4).

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 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.SDS of cas: 478935-29-4

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Crystal structure of poly[diaqua-bis(μ₂-thiophene-2,5-dicarboxylate-κ²O:O’)(3,5-di(1H-imidazol-1-yl)pyridine-κ²N:N’)cobalt(II)], Co(H₂O)₂(C₆H₂O₄S)(C₁₁N₄H₉), C₁₇H₁₅CoN₅O₆S was written by Liu, Shu-Hua;Xu, Qing-Zhong;Li, Sai-Yu;Zhang, Rui-Ling;Wang, Li-Hong;Liu, Jian-Hua. And the article was included in Zeitschrift fuer Kristallographie – New Crystal Structures in 2014.Recommanded Product: 3,5-Di(1H-imidazol-1-yl)pyridine The following contents are mentioned in the article:

This article discusses on crystal structure of poly[diaqua-bis(μ₂-thiophene-2,5-dicarboxylate-κ²O:O’)(3,5-di(1H-imidazol-1-yl)pyridine-κ²N:N’)cobalt(II)], Co(H₂O)₂(C₆H₂O₄S)(C₁₁N₄H₉),C₁₇H₁₅CoN₅O₆S. Thus on hydrothermal synthesis and crystal structure of a new cobalt coordination polymer based on the tdc^2- dianion and 3,5-di(1H-imidazol-1-yl)pyridine ligands is also discussed. This study involved multiple reactions and reactants, such as 3,5-Di(1H-imidazol-1-yl)pyridine (cas: 1374155-84-6Recommanded Product: 3,5-Di(1H-imidazol-1-yl)pyridine).

3,5-Di(1H-imidazol-1-yl)pyridine (cas: 1374155-84-6) 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. This ring system is present in important biological building blocks, such as histidine and the related hormone histamine.Recommanded Product: 3,5-Di(1H-imidazol-1-yl)pyridine

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Oxidation of cyclooctene to suberic acid using perrhenate-containing composite ionic liquids as green catalysts was written by Wang, J. Y.;Zhou, M. D.;Yuan, Y. G.;Fu, N. H.;Zang, S. L.. And the article was included in Russian Journal of General Chemistry in 2015.Synthetic Route of C10H20N2O4S The following contents are mentioned in the article:

A series of quaternary ammonium perrhenate/3-hexyl-1-methyl-imidazolium hydrogen sulfate ([Hmim]HSO₄) composite ionic liquids has been prepared For the first time, the composite ionic liquids are used both as catalyst and solvent in oxidation of cyclooctene to suberic acid in the presence of hydrogen peroxide as a green oxidant. It was found that organic perrhenate salts play the important role in improving the selectivity of cyclooctene oxidation to suberic acid. The yield of suberic acid under the mild conditions is from good to high. 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. 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. Synthetic Route of C10H20N2O4S

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

A novel protic ionic liquid/silica gel electrolyte and its properties was written by Wang, Zan;Liu, Yan;Liu, Hongtao. And the article was included in Zhongguo Kexue: Huaxue in 2012.Formula: C10H20N2O4S The following contents are mentioned in the article:

A novel protic ionic liquid/silica gel electrolyte has been prepared by in-situ one-step sol-gel method. The as-prepared proton-conductivity composite gel electrolyte is smooth, transparent, and flexible. It is shown that this composite gel electrolyte has good thermal stability (>300°C), wide electrochem. window (>2.8 V), and high proton conductivity (11.25×10^-3 S cm^-1, 80°C). It is expected to use the as-prepared proton-enhancing gel electrolyte for advanced energy-storage applications. This study involved multiple reactions and reactants, such as 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4Formula: 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 This ring system is present in important biological building blocks, such as histidine and the related hormone histamine.Formula: C10H20N2O4S

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Cr(salen) catalyzed asymmetric ring opening reactions of epoxides in room temperature ionic liquids was written by Song, Choong Eui;Oh, Chun Rim;Roh, Eun Joo;Choo, Dong Joon. And the article was included in Chemical Communications (Cambridge) in 2000.Product Details of 157310-73-1 The following contents are mentioned in the article:

Cr(salen) catalyzed asym. ring opening reactions of epoxides I (Y = CH₂, CH₂CH₂, O) with TMSN₃ proceed readily in the room temperature ionic liquid 1-butyl-3-methylimidazolium salts ([bmim][X]) with easy catalyst/solvent recycling to give azido alcs. II in good yields. This procedure provides a practical recycling of catalyst. An addnl. advantage is that the catalyst can be used without a modification of the structure. This study involved multiple reactions and reactants, such as 1,2-Dimethyl-3-propyl-1H-imidazol-3-ium hexafluorophosphate(V) (cas: 157310-73-1Product Details of 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. 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. Product Details of 157310-73-1

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Electrowetting based infrared lens using ionic liquids was written by Hu, Xiaodong;Zhang, Shiguo;Liu, Yu;Qu, Chao;Lu, Liujin;Ma, Xiangyuan;Zhang, Xiaoping;Deng, Youquan. And the article was included in Applied Physics Letters in 2011.Formula: C10H20N2O4S The following contents are mentioned in the article:

IR variable focus ionic liquids lenses using electrowetting have been developed. Such lenses could overcome the problems caused by use of water, e.g., evaporation and poor thermostability, while keeping good optical transparency in visible light and near-IR region. Convex and concave lenses could be tuned by applied voltage or refractive index of ILs used, and the transmittance exceeded 90% over the spectrum of visible light and near-IR. (c) 2011 American Institute of Physics. This study involved multiple reactions and reactants, such as 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4Formula: 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 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.Formula: C10H20N2O4S

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Efficient and convenient oxidation of sulfides to sulfones using H₂O₂ catalyzed by V₂O₅ in ionic liquid [C₁₂mim][HSO₄] was written by Hu, Yu-Lin;Liu, Xiao-Bing;Fang, Dong. And the article was included in Catalysis Science & Technology in 2014.Recommanded Product: 478935-29-4 The following contents are mentioned in the article:

A simple, efficient, and eco-friendly procedure for the oxidation of sulfides to sulfones using H₂O₂ catalyzed by V₂O₅ in ionic liquid [C₁₂mim][HSO₄] has been developed. This atom-economical protocol affords the target products in good to high yields. The products can be separated by a simple extraction with organic solvent, and the catalytic system can be recycled and reused without loss of catalytic activity. This study involved multiple reactions and reactants, such as 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4Recommanded Product: 478935-29-4).

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 also acts as a microtubule destabilizing agents and inhibits topoisomerase and Cytochrome P450 Family 26 Subfamily A Member 1 (CYP26A1) enzymes.Recommanded Product: 478935-29-4

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Oxidation of benzylic alcohols to their corresponding carbonyl compounds using ceric ammonium nitrate (CAN)/bronsted acidic ionic liquid was written by Hajipour, A. R.;Khazdooz, L.;Ruoho, A. E.. And the article was included in Journal of the Iranian Chemical Society in 2011.Synthetic Route of C10H20N2O4S The following contents are mentioned in the article:

A chemoselective and efficient procedure for the oxidation of alcs. to the corresponding carbonyl compounds is reported using ceric ammonium nitrate in the presence of 3-hexyl-1-methylimidazolium hydrogen sulfate as Bronsted acidic ionic liquid ([Hmim]HSO₄) as the solvent under mild conditions. The use of non-toxic and inexpensive materials, straightforward procedure, short reaction times and good yields of the products are the major advantages of this method. 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. 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 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).Synthetic Route of C10H20N2O4S

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem