Tag: 200-300

Preparation of simple ammonium ionic liquids and their application in the cracking of dialkoxypropanes was written by Wang, Congmin;Guo, Liping;Li, Haoran;Wang, Yong;Weng, Jianyang;Wu, Lianhai. And the article was included in Green Chemistry in 2006.Application In Synthesis of 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate The following contents are mentioned in the article:

Owing to the unique advantages of ionic liquids, the preparation and industrial application of ionic liquids have attracted considerable interest. Herein, a series of simple ammonium ionic liquids has been synthesized and characterized. These ionic liquids are air and water stable, easy to prepare from amine and acid, and relatively cheap. They have been used as catalysts and environmentally benign solvents for the cracking reactions of dialkoxypropanes, eliminating the need for volatile organic solvents and addnl. catalysts. The results clearly demonstrate that these ionic liquids can be easily separated and reused without losing their activity and quality. Furthermore, the conversion and selectivity obtained with this method are significantly increased in comparison with those reported in traditional organic solvents to date. These ionic liquids provide a good alternative way for the synthesis of alkoxypropenes. 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. 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

Preparation of 5-hydroxymethylfurfural from cellulose degradation catalyzed by acidic ionic liquids was written by Fu, Nihong;Yuan, Yuguo;Wang, Jingyun;Zang, Shuliang. And the article was included in Huaxue Tongbao in 2016.COA of Formula: C10H20N2O4S The following contents are mentioned in the article:

In this study, imidazolium based acidic ionic liquids and CrCl₃·6H₂O were used to catalyze the hydrolysis of cellulose in ionic liquid 1-allyl-3-methylimidazolium chloride ([Amim]Cl) via microwave-assisted irradiation to prepare 5-hydroxymethylfurfural (5-HMF). The effects of the type and amount of catalysts, reaction temperature and time, amount of water on the degradation of cellulose were studied in details. The results indicated that [C₂mim]HSO₄ and CrCl₃·6H₂O were efficient catalysts for preparing 5-HMF. The cellulose could be completely converted with the highest total reducing sugars (TRS) yield of 87.22% and 5-HMF yield of 50% under the condition of n_MCC:n_Cr = 10:1, the mass of [C₂mim]HSO₄ = 0.02 g, and reaction temperature 160°C under microwave-assisted heating for 30 min. This study involved multiple reactions and reactants, such as 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4COA of Formula: 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).COA of Formula: C10H20N2O4S

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Study on synthesis of methyl oleate catalyzed by 1-alkyl-3-methylimidazolium hydrosulfate was written by Sun, Hua;Li, Shengqing;Chen, Hao;Liu, Junchao;Xue, Aifang;Liu, Hanlan. And the article was included in Wuhan Gongcheng Daxue Xuebao in 2009.Safety of 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate The following contents are mentioned in the article:

Five acidic ionic liquids with an hydrogen sulfate group were synthesized ([C_nMIm]HSO₄, n = 0, 2, 4, 6 and 8). Their acidity was studied. Their application in esterification utilizing oleic acid and methanol was explored. The exptl. results showed 1-hexyl-3-methyl-imidazolium hydrogen sulfate ([C₆MIm]HSO₄) was the best catalyst of acidic ionic liquid in esterification. Under optimal esterification conditions: n_(methanol):n_{(oleic acid)} = 2.5:1, m_{(oleic acid)}:m_{([C6MIm]HSO4)} = 1:0.08, temperature 90°C and time 14 h, mass fraction of fatty acid Me ester could reach more than 91%. The ionic liquids were stable and could be reused. Me oleate was separated from raw material easily, and even if ionic liquid was reused beyond 6 times, the conversion of esterification did not decrease. This study involved multiple reactions and reactants, such as 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4Safety 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. Safety of 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Enhancement of the selective enzymatic biotransformation of rutin to isoquercitrin using an ionic liquid as a co-solvent was written by Wang, Jun;Sun, Guo-Xia;Yu, Liang;Wu, Fu-An;Guo, Xi-Jie. And the article was included in Bioresource Technology in 2013.COA of Formula: C10H20N2O4S The following contents are mentioned in the article:

An ionic liquid (IL)-containing buffer system was first applied in the conversion of rutin to isoquercitrin. High substrate solubility was achieved to enhance the selectivity and efficiency of hesperidinase-catalyzed reaction. Ten ILs were selected as co-solvents to assist catalytic reactions in this biotransformation process. The transformed products of rutin were identified by LC-MS. The [Bmim][BF₄]-glycine-sodium hydroxide buffer (pH 9) (10:90, volume/volume) was found to be the best medium for the biotransformation of isoquercitrin from rutin with higher selectivity and efficiency. The reaction time was reduced by 0.33-fold while the conversion of rutin and the yield of isoquercitrin were increased by 1.67-fold and 2.33-fold. The results suggest that IL co-solvents have great potential to enhance the selectively enzymic hydrolysis of rutin for isoquercitrin production This study involved multiple reactions and reactants, such as 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4COA of Formula: 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 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.COA of Formula: C10H20N2O4S

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Synthesis of N-cyanoethyl-N-hydroxyethylaniline catalyzed by acidic ionic liquid was written by Guo, Hui;Yin, Yuanyuan;Zhang, Xueying;Zhuang, Yuwei;Cao, Jian;Zhang, Guobao. And the article was included in Yingyong Huaxue in 2020.Application of 478935-29-4 The following contents are mentioned in the article:

N-Cyanoethyl-N-hydroxyethylaniline is an important dye intermediate with a wide range of applications. A green and efficient protocol for the synthesis of N-cyanoethyl-N-hydroxyethylaniline by reaction of acrylonitrile and N-hydroxyethyl aniline with 1-butyl-3-methylimidazolium hydrogen sulfate ionic liquid ([Bmim]HSO₄) as a catalyst has been developed, eliminating inert-gas welding and complex operation of traditional methods. The effect of ionic liquid, the amount of ionic liquid, the ratio of substrates, temperature and time were investigated. The optimum reaction conditions were obtained as follow: [BMIM]HSO₄ 0.8 mmol, n (N-hydroxyethyl aniline):n (acrylonitrile) = 1:1.2, reaction time of 12 h, reaction temperature of 90°C. The acidic ionic liquid could be easily separated and reused for at least 5 times without significantly decrease in catalytic activity. 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 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.Application of 478935-29-4

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Unexpected tandem reaction of new type Morita-Baylis-Hillman adducts promoted by [Hmim]HSO₄/NaNO₃ system was written by Zhong, Weihui;Wang, Guan;Chen, Kai. And the article was included in Heterocycles in 2012.Related Products of 478935-29-4 The following contents are mentioned in the article:

A tandem reaction of a new type of Baylis-Hillman adduct, such as R-C₆H₄CCl=CH(OH)C(CH₂)CO₂R¹ (R = 4-MeO, 4-NO₂, 4-Me, H, 4-F, 3-Cl; R¹ = Me, Et) was promoted by the ionic liquid 1-hexyl-3-methylimidazolium·HSO₄/NaNO₃ system and the unexpected products 6-aryl-2H-pyran-3-carboxylates and the corresponding imidazolium salts I (R = 4-NO₂, H, 3-Cl, 4-F, R¹ = Me; R = 4-NO₂, 4-F, R¹ = Et) were efficiently formed via rearrangement and substitution reactions. While mediated by 1-ethyl-3-methylimidazolium·HSO₄/NaNO₃ system, the key intermediates, nitrates II (R = 4-OMe, 4-F, R¹ = Me; R = 3-Cl, R¹ = Et) were isolated. A plausible mechanism for the transformation was given. 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. 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.Related Products of 478935-29-4

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Two- and three-dimensional hybrid zinc phosphites: syntheses, structures and photoluminescence properties was written by Han, Song-De;Zhang, Xiu-Rong;Pan, Jie;Mu, Ying;Li, Jin-Hua;Wang, Guo-Ming. And the article was included in Dalton Transactions in 2018.Synthetic Route of C11H9N5 The following contents are mentioned in the article:

Two zinc-phosphites modified by a rigid amine 3,5-bis(imidazole-1-yl)pyridine (BIP), [Zn₂(HPO₃)₂(BIP)]·H₂O (1) and [Zn₃(HPO₃)₃(BIP)(H₂O)]·H₂O (2), were solvothermally prepared Compound 1 possesses a zincophosphite layer decorated by BIP moieties via coordinating to intralayer Zn(II) ions. Compound 2 features a 3-dimensional frame with a pillar-layer structure, in which the organic BIP pillars the inorganic zincophosphite layer via coordinating to interlayer Zn(II) ions. The structural diversity from a 2-dimensional layer to a 3-dimensional frame was mainly attributable to the different bridging modes of BIP in the process of assembly. Their temperature-dependent photoluminescence properties also were studied. This study involved multiple reactions and reactants, such as 3,5-Di(1H-imidazol-1-yl)pyridine (cas: 1374155-84-6Synthetic Route of C11H9N5).

3,5-Di(1H-imidazol-1-yl)pyridine (cas: 1374155-84-6) 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.Synthetic Route of C11H9N5

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Dispersing of petroleum asphaltenes by acidic ionic liquid and determination by UV-visible spectroscopy was written by Nezhad, Eshagh Rezaee;Heidarizadeh, Fariba;Sajjadifar, Sami;Abbasi, Zahra. And the article was included in Journal of Petroleum Engineering in 2013.HPLC of Formula: 478935-29-4 The following contents are mentioned in the article:

Nowadays, constructing a mechanism to prevent the aggregation petroleum asphaltenes by the use of new acidic ionic liquids has become of fundamental importance. In this research, 3-(2-carboxybenzoyl)-1-methyl-1H-imidazol-3-ium chloride ([CbMIM] [Cl]) and other ionic liquids such as [CbMIM]BF4, [HMIM]Cl, [BMIM]Br, and [HMIM]HSO4 were tested. It should be noted that during the experiment the presence of the acidic ionic liquid moiety enhanced interactions between asphaltenes and acidic ionic liquids and it greatly limited asphaltene aggregation. We considered parameters such as temperature, amount of dispersant, effect of water: toluene ratio, the stirring time and effects of other ionic liquids, and determination of concentration of petroleum asphaltenes after dispersing by acidic ionic liquid under various parameters using UV-Visible spectroscopy. This study involved multiple reactions and reactants, such as 1-Hexyl-3-methyl-1H-imidazol-3-ium hydrogensulfate (cas: 478935-29-4HPLC of Formula: 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. 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: 478935-29-4

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Synthesis of gossypol acetate with [HMIm]HSO₄ ionic liquid as catalyst was written by Dong, Shihong;Wang, Dan;Zhu, Mingyuan;Dai, Bin. And the article was included in Zhongguo Youzhi in 2012.Application of 478935-29-4 The following contents are mentioned in the article:

With Bronsted acidic ionic liquid [HMIm]HSO₄ as the catalyst, the synthesis of gossypol acetate was investigated. The effects of reaction conditions including temperature, reaction time, material ratio and amount of catalyst on the yield of the reaction were also investigated. The optimal reaction conditions were as follows: reaction temperature 10°C, volume ratio of gossypol to glacial acetic acid-[HMIm]HSO₄ 1:1.0, amount of catalyst 6%(based on the mass of glacial acetic acid) and reaction time 4 h. Under these conditions, the yield of gossypol acetate reached 93%. At the same time, the stability and acidity of ionic liquid([HMIm]HSO₄) were investigated using thermogravimetric anal. and UV spectroscopy detection. The ionic liquid [HMIm]HSO₄ had a stable catalytic activity even after 4 cycles. 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. 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.Application of 478935-29-4

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Dual functionality of amphiphilic 1-alkyl-3-methylimidazolium hydrogen sulfate ionic liquids: surfactants with catalytic function was written by Nowicki, Janusz;Luczak, Justyna;Stanczyk, Dorota. And the article was included in RSC Advances in 2016.Formula: C10H20N2O4S The following contents are mentioned in the article:

A series of amphiphilic 1-alkyl-3-methylimidazolium hydrogen sulfate ionic liquids were synthesized. Acidic hydrogen sulfate ionic liquids with the alkyl chains C6-C14 are characterized by good surface properties. Their surface properties (adsorption and micellization parameters, degree of ionization of micelles, Krafft temperatures and thermodn. parameters) were determined Synthesized ionic liquids were applied as a co-catalyst in an oxirane ring opening reaction in epoxidized fatty acid Me esters (FAME). Their co-catalytic activities were determined and discussed as a function of their structure and surface properties. It was found that the co-catalytic properties, both conversion and selectivity, of alkylimidazolium hydrogen sulfate ionic liquids noticeably depended on the alkyl chain lengths, and in consequence their properties. 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. 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. 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.Formula: C10H20N2O4S

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem