Month: November 2022

Polarity-controlled deep eutectic solvents-based biphasic system for the selective separation of geniposidic acid and aucubin from Eucommia ulmoides male flowers was written by Wang, Yicong;Liu, Leilei;Tan, Zhijian. And the article was included in Journal of Molecular Liquids in 2022.Electric Literature of C25H54ClN The following contents are mentioned in the article:

Owing to their unique characteristics, deep eutectic solvents (DESs) have the potential to replace organic solvents in the extraction and separation of chems. from natural sources. In this study, a novel biphasic system composed of hydrophilic and hydrophobic DESs was designed for the selective separation of geniposidic acid (GPA) and aucubin (AU) from Eucommia ulmoides male flowers. Fifteen DESs with different hydrophilicity/hydrophobicity were used to design the biphasic system. The biphasic system designed using tetra-Bu ammonium chloride-hexanoic acid and choline chloride-D, L-malic acid was found to be an optimal extraction system. The influence of the phase volume ratio, system concentration, water content in the DESs, equilibrium temperature, and pH of the phosphate buffer solution was investigated through single-factor experiments Under optimal conditions, maximum extraction efficiencies were observed for GPA in the top phase (EGPA = 94.59%) and AU in the bottom phase (EAU = 80.41%). Further, d. functional theory calculations indicated that H-bond interaction was the main factor influencing the selective separation of GPA and AU. This DES-based biphasic system is efficient and environmentally friendly and could be used in the separation of other homologues present in natural products. This study involved multiple reactions and reactants, such as N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3Electric Literature of C25H54ClN).

N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3) belongs to organic chlorides. Chlorination modifies the physical properties of hydrocarbons in several ways. These compounds are typically denser than water due to the higher atomic weight of chlorine versus hydrogen. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.Electric Literature of C25H54ClN

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Design, synthesis, and photochemical properties of clickable caged compounds was written by Suzuki, Akinobu Z.;Shiraishi, Yukiko;Aoki, Hanami;Sasaki, Hirona;Watahiki, Rei;Furuta, Toshiaki. And the article was included in Journal of Visualized Experiments in 2019.Related Products of 638-07-3 The following contents are mentioned in the article:

A method for the synthesis of clickable caged compounds I [R = 3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl, 2-(2-{2-[(6-chlorohexyl)oxy]ethoxy}ethoxy)ethyl] that can be modified easily with various functional units via the copper(I)-catalyzed Huisgen cyclization was reported. The modular platform mol. contains a (6-bromo-7-hydroxycoumarin-4-yl)methyl (Bhc) group as a photo-caging group, which exhibits a high photolysis efficiency compared to those of the conventional 2-nitrobenzyls. General procedures for the preparation of clickable caged compounds containing amines II [R¹ = (6-{[(tert-butoxy)carbonyl]amino}hexyl)aminyl], alcs. I [R = prop-2-yn-1-yl], and carboxylates II [R¹ = (4Z,7Z,10Z,12Z)-octadeca-4,7,10,12-tetraen-1-yl] are presented. Addnl. properties such as the water solubility and cell targeting ability can be readily incorporated into clickable caged compounds I. Furthermore, the phys. and photochem. properties, including the photolysis quantum yield, were measured and found to be superior to those of the corresponding Bhc caged compounds The described protocol could therefore be considered a potential solution for the lack of structural diversity in the available caged compounds This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3Related Products of 638-07-3).

Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3) belongs to organic chlorides. Organic chlorides can cause corrosion in pipelines, valves and condensers, and cause catalyst poisoning. The hydrocarbon processing industry (HPI) and others are affected by damage caused by these substances. Alkyl chlorides readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.Related Products of 638-07-3

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Development of ionic liquid filled chitosan capsules to remove Cr(VI) from acidic solution: Adsorption properties and mechanism was written by Lin, Xiaoyu;He, Xi;Lei, Ling;Zhao, Yufeng;Cui, Longzhe;Wu, Guiping. And the article was included in Journal of Environmental Chemical Engineering in 2022.Category: chlorides-buliding-blocks The following contents are mentioned in the article:

Cr(VI)-contaminated water poses a serious threat to the environment. In this study, capsule-type biosorbent Aliquat-336-filled chitosan capsules (AFCCs) were prepared by a simple and gentle method for more efficient and eco-friendly removal of Cr(VI). The exptl. results show that the uptake of Cr(VI) by AFCCs increased with increasing Aliquat-336 content. The AFCCs show excellent stability under acidic conditions, and the maximum adsorption capacity was reached at a pH of 2. The maximum adsorption capacity of AFCCs for Cr(VI) was 110.94± 5.07 mg/g at 20°C, which was calculated based on the Langmuir model. The kinetic results show that the adsorption rate control process changed from liquid film diffusion to a chem. reaction with increasing shaking rate. In addition, the AFCCs and adsorption-reduction mechanism of Cr(VI) were characterized by digital photog., electron microscope, zeta potential, Fourier-transform IR spectroscopy (FT-IR) and XPS. The results indicated that the electrostatic attraction between quaternary amine groups in Aliquat-336 and Cr(VI) anions plays a major role in the removal of Cr(VI). Subsequently, the adsorbed Cr(VI) obtained electrons from C-C/C-H and -NH+3/-NH+2- were reduced to Cr(III), while C-C/C-H and -NH+3/-NH+2- were oxidized to C-O, C=O, =NH+-, =N- and N-O, resp. This study involved multiple reactions and reactants, such as N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3Category: chlorides-buliding-blocks).

N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3) belongs to organic chlorides. An organic chloride is an organic compound containing at least one covalently bonded atom of chlorine. Their wide structural variety and divergent chemical properties lead to a broad range of names and applications. Alkyl chlorides are versatile building blocks in organic chemistry. While alkyl bromides and iodides are more reactive, alkyl chlorides tend to be less expensive and more readily available.Category: chlorides-buliding-blocks

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Synthesis of Novel Ultraviolet Absorbers and Preparation and Field Application of Anti-Ultraviolet Aging PBAT/UVA Films was written by Qiao, Run-Meng;Zhao, Chi-Peng;Liu, Jia-Lei;Zhang, Mao-Lin;He, Wen-Qing. And the article was included in Polymers (Basel, Switzerland) in 2022.Application of 6294-17-3 The following contents are mentioned in the article:

Poly-(butylene adipate-co-terephthalate) (PBAT) has become one of the most prevalent biodegradable plastic film materials owing to its good degradability, mech. properties, and processability. However, the degradation time of this material was too fast and the functional period was short, which limited its application. Herein, three new tropolone-based UV absorbers (UVA-1C, UVA-4C and UVA-6C) were rationally designed and blended into PBAT. The PBAT/UVA films that formed were used against UV aging and prolonged the functional period of PBAT film. The three new absorbers were synthesized by bridging two tropolones using three different organic chains with different flexibility. Among them, the UVA-6C showed the strongest UV absorbance at around 238 nm and 320 nm. Consequently, the PBAT/UVA-6C film showed an extended validity period of 240 h in the Xenon lamp aging machine and a prolonged functional period of 8 d during the field application test when compared to pure PBAT. More importantly, a 7.8% increase in the maize yield was obtained under PBAT/UVA-6C film relative to pure PBAT film. Obviously, the novel prepared UVA-6C compound is a good candidate for UV absorption in PBAT, which makes PBAT/UVA-6C film more advantageous over pure PBAT in practical applications as biodegradable agricultural film. This study involved multiple reactions and reactants, such as 1-Bromo-6-chlorohexane (cas: 6294-17-3Application of 6294-17-3).

1-Bromo-6-chlorohexane (cas: 6294-17-3) belongs to organic chlorides. Organic chlorides are compounds containing a carbon-chlorine bond, which are widely used in the oil field as a wax dissolver. Alkyl chlorides readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.Application of 6294-17-3

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Synthesis, antimalarial activity and cytotoxicity of 4-aminoquinoline-triazine conjugates was written by Manohar, Sunny;Khan, Shabana I.;Rawat, Diwan S.. And the article was included in Bioorganic & Medicinal Chemistry Letters in 2010.HPLC of Formula: 2272-40-4 The following contents are mentioned in the article:

A series of 4-aminoquinoline-triazine conjugates I [X = (CH₂)_n, n = 2 – 4, 6, 8; X = CH₂CHMe; R¹ = Et₂N, PhNH, 2-MeC₆H₄NH, 4-morpholinyl, 1-piperidinyl; R² = Cl, c-C₆H₁₁NH, PhNH, 3,5-(MeO)₂C₆H₃NH, etc.] with different substitution pattern have been synthesized and evaluated for their in vitro antimalarial activity against chloroquine-sensitive and resistant strains of Plasmodium falciparum. Compounds I [X = (CH₂)₃, (CH₂)₈; R¹ = 4-morpholinyl; R² = 3,5-(MeO)₂C₆H₃NH], I (X = CH₂CH₂; R¹ = R² = PhNH) and I [X = CH₂CH₂; R¹ = 2-(7-chloroquinolin-4-ylamino)ethylamino; R² = Cl] exhibited promising antimalarial activity against both strains of P. falciparum. Cytotoxicity of these compounds was tested against three cell lines. Several compounds did not show any cytotoxicity up to a high concentration (48 μM), others exhibited mild toxicities but selective index for antimalarial activity was high for most of these conjugates. This study involved multiple reactions and reactants, such as 4,6-Dichloro-N-phenyl-1,3,5-triazin-2-amine (cas: 2272-40-4HPLC of Formula: 2272-40-4).

4,6-Dichloro-N-phenyl-1,3,5-triazin-2-amine (cas: 2272-40-4) belongs to organic chlorides. Organic chlorides can be used in production of: PVC, pesticides, chloromethane, teflon, insulators.While alkyl bromides and iodides are more reactive, alkyl chlorides tend to be less expensive and more readily available. Alkyl chlorides readily undergo attack by nucleophiles.HPLC of Formula: 2272-40-4

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Biocompatible pericarpium citri reticulatae polysaccharide templated Pd nanoparticles for effectively colorimetric detection of glutathione was written by Li, Shukai;Zhao, Yu;Ji, Fangqin;Zheng, Ruixue;Ji, Xianbing;Liu, Zhiwei;Wang, Longgang. And the article was included in Colloids and Surfaces, A: Physicochemical and Engineering Aspects in 2022.Application In Synthesis of Sodium tetrachloropalladate(II) The following contents are mentioned in the article:

Glutathione as a natural antioxidant can protect the human body from free radicals produced by oxidative stress. Therefore, it’s quite necessary to measure the concentration of glutathione to ensure our health. Herein, we prepared biocompatible pericarpium citri reticulatae polysaccharide templated palladium nanoparticles (Pdn-PCRP NPs, n = 150, 225, 300) by a green and facile synthetic method. The sizes of Pd150-PCRP NPs, Pd225-PCRP NPs, and Pd300-PCRP NPs were 2.10 ± 0.62 nm, 2.48 ± 0.62 nm, and 2.63 ± 0.62 nm, resp. Pd150-PCRP NPs exhibited excellent biocompatibility based on the MTT assay. Moreover, Pd150-PCRP NPs oxidized the colorless peroxidase substrates 3,3′,5,5′ -tetramethylbenzidine (TMB) to its corresponding blue product in the presence of hydrogen peroxide. More importantly, Pd150-PCRP NPs were used in the colorimetric detection of glutathione. The detection range of colorimetric detection with Pd150-PCRP NPs reached 2-300μM and the detection limit was 1.65μM. The recovery rate of glutathione in serum samples was as high as 103.60%. Overall, these results demonstrated that Pd150-PCRP NPs had good biocompatibility, peroxidase-like activity and ability of glutathione detection. Pd150-PCRP NPs could serve as a safe and promising agent for sensitive detection of glutathione in future applications. This study involved multiple reactions and reactants, such as Sodium tetrachloropalladate(II) (cas: 13820-53-6Application In Synthesis of Sodium tetrachloropalladate(II)).

Sodium tetrachloropalladate(II) (cas: 13820-53-6) belongs to organic chlorides. Organic chlorides can be used in production of: PVC, pesticides, chloromethane, teflon, insulators. Alkyl chlorides readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.Application In Synthesis of Sodium tetrachloropalladate(II)

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Synthesis and bioactivities of multiheterocyclic molecules based on s-triazine was written by Liu, Yaning;Sun, Xiaona;Gao, Ran;Li, Chuanyin;Wang, Jing;Li, Yizheng;Zhang, Chenglu. And the article was included in Youji Huaxue in 2017.Related Products of 2272-40-4 The following contents are mentioned in the article:

S-triazine derivatives have good significant biol. activities. It has been an important method to develop novel drugs by introduction of other heterocyclic rings onto s-triazine. Twenty-one novel target mols. were designed and synthesized by combination of 1,2,4-triazole, triazole[3,4-b]thiadiazole and 1,2,4-triazine unit with s-triazine resp. The structures of the target mols. were characterized by IR, ¹H NMR and HRMS. In order to study the effect of different substituents on the efficacy activities, first, 8 target mols. containing double 1,2,4-triazole unit were synthesized by the condensation of four different mono-substituted s-triazines with intermediates containing n-pentyl and benzyl, resp. Meanwhile, 4 target mols. were synthesized by the modification of the amino group. Nine target mols. were also afforded by the reaction of seven disubstituted s-triazines with the intermediates. The inhibitory activities of the 21 target mols. against Cdc25B were evaluated. The results showed that 13 target mols. exhibited good inhibitory activities against Cdc25B. The IC₅₀ values were between (3.99±0.80) and (0.44±0.07) μg/mL, wherein the IC₅₀ of 5 target mols. were lower than comparison reference Na₃VO₄, which were expected to be potential anticancer drugs. This study involved multiple reactions and reactants, such as 4,6-Dichloro-N-phenyl-1,3,5-triazin-2-amine (cas: 2272-40-4Related Products of 2272-40-4).

4,6-Dichloro-N-phenyl-1,3,5-triazin-2-amine (cas: 2272-40-4) belongs to organic chlorides. Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids. Alkyl chlorides are versatile building blocks in organic chemistry. While alkyl bromides and iodides are more reactive, alkyl chlorides tend to be less expensive and more readily available.Related Products of 2272-40-4

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Efficient grafting of redox-active ferrocene polymers from α,ω-diiodoalkanes at cathodically charged glassy carbon was written by Jouikov, Viatcheslav;Simonet, Jacques. And the article was included in Journal of Applied Electrochemistry in 2012.Reference of 6294-17-3 The following contents are mentioned in the article:

α,ω-Dihaloalkanes, when cathodically reduced at glassy carbon (GC), can be immobilized at the electrode surface. The present contribution focuses on the reduction of 1,8-diiodooctane, as model dihalo-substrate, in an aprotic organic solvent containing tetraalkylammonium salts as electrolyte. It is expected that these compounds in contact with GC, polarized at potentials more neg. than -1.7 V vs. Ag/AgCl, partly lead to monoiodoalkyl chain immobilization onto carbon. The process corresponds to the cathodic charge of graphitized and fullerenized zones present in carbon followed by a displacement reaction (analogous to a nucleophilic attack) towards pending C-I functions. This mode of grafting is then applied to the reaction of neg. charged carbon with bis-(ω-iodoalkyl)ferrocenes. Ferrocene is then used as an efficient redox probe. This study aims to point out the formation of a chem. grafted redox polymer at carbon electrodes that permits one to quantify the level of immobilized alkyl chains according to their chain length. Coverage levels were found to be high, and surface concentrations of ferrocene currently >10^-8 mol cm^-2 were reached. Ferrocene layers deposited onto carbon were found to be chem. and electrochem. stable and expected to be suitable for efficient electricity storage. This study involved multiple reactions and reactants, such as 1-Bromo-6-chlorohexane (cas: 6294-17-3Reference of 6294-17-3).

1-Bromo-6-chlorohexane (cas: 6294-17-3) belongs to organic chlorides. Organochlorines are organic compounds having multiple chlorine atoms. They were the first synthetic pesticides that were used in agriculture. They are resistant to most microbial and chemical degradations.While alkyl bromides and iodides are more reactive, alkyl chlorides tend to be less expensive and more readily available. Alkyl chlorides readily undergo attack by nucleophiles.Reference of 6294-17-3

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Surface tension of the oppositely charged sodium poly(styrene sulfonate) /benzyldimethylhexadecylammonium chloride and sodium poly(styrene sulfonate)/polyallylamine hydrochloride mixtures was written by Owiwe, Mina T.;Ayyad, Ahmed H.;Takrori, Fahed M.. And the article was included in Colloid and Polymer Science in 2020.Category: chlorides-buliding-blocks The following contents are mentioned in the article:

Oppositely charged polyelectrolyte/surfactant and the coacervate polyanion/polycation mixtures are known to display complex properties at water/air interface which are not fully elucidated. The change in surface tension of the anionic polyelectrolyte sodium poly(styrene sulfonate) (NaPSS) with either benzyldimethylhexadecylammonium chloride (BAC) as the cationic surfactant or the cationic polyelectrolyte polyallylamine hydrochloride (PAACl) as a function of temperature and added salts was investigated. Neither of the pure polyelectrolytes showed significant surface activity; however, addition of oppositely charged surfactant or polyelectrolyte to varying concentrations of NaPSS solutions had changed the surface activity drastically. The surface tension of the NaPSS/BAC complex is lower than that of pure BAC surfactant. The surface tension of these complexes showed significant decrease with increasing temperatures and the surface excess entropy was deduced from these measurements. Addition of ionic salts enhanced the association of the polyelectrolyte/surfactant mixture but had little effect on the polyelectrolytes coacervate. The surface tension of low concentrations of NaPSS/PAACl coacervate displayed a peak which can be attributed to charge inversion. Graphical abstract [graphic not available: see fulltext]. This study involved multiple reactions and reactants, such as N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9Category: chlorides-buliding-blocks).

N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9) belongs to organic chlorides. An organic chloride is an organic compound containing at least one covalently bonded atom of chlorine. Their wide structural variety and divergent chemical properties lead to a broad range of names and applications. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.Category: chlorides-buliding-blocks

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

In vitro screening for chemical inhibition of the iodide recycling enzyme, iodotyrosine deiodinase was written by Olker, Jennifer H.;Korte, Joseph J.;Denny, Jeffrey S.;Haselman, Jonathan T.;Hartig, Phillip C.;Cardon, Mary C.;Hornung, Michael W.;Degitz, Sigmund J.. And the article was included in Toxicology In Vitro in 2021.Application In Synthesis of N-Methyl-N,N-dioctyloctan-1-aminium chloride The following contents are mentioned in the article:

The iodide recycling enzyme, iodotyrosine deiodinase (IYD), is a largely unstudied mol. mechanism through which environmental chems. can potentially cause thyroid disruption. This highly conserved enzyme plays an essential role in maintaining adequate levels of free iodide for thyroid hormone synthesis. Thyroid disruption following in vivo IYD inhibition has been documented in mammalian and amphibian models; however, few chems. have been tested for IYD inhibition in either in vivo or in vitro assays. Presented here are the development and application of a screening assay to assess susceptibility of IYD to chem. inhibition. With recombinant human IYD enzyme, a 96-well plate in vitro assay was developed and then used to screen over 1800 unique substances from the U. S. EPA ToxCast screening library. Through a tiered screening approach, 194 IYD inhibitors were identified (inhibited IYD enzyme activity by 20% or greater at target concentration of 200μM). 154 chems. were further tested in concentration-response (0.032-200μM) to determine IC50 and rank-order potency. This work broadens the coverage of thyroid-relevant mol. targets for chem. screening, provides the largest set of chems. tested for IYD inhibition, and aids in prioritizing chems. for targeted in vivo testing to evaluate thyroid-related adverse outcomes. This study involved multiple reactions and reactants, such as N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3Application In Synthesis of N-Methyl-N,N-dioctyloctan-1-aminium chloride).

N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3) belongs to organic chlorides. Organochlorines stimulate the central nervous system and cause convulsions, tremor, nausea, and mental confusion. Examples are dichlorodiphenyltrichloroethane (DDT), chlordane, lindane, endosulfan, and dieldrin. Alkyl chlorides are versatile building blocks in organic chemistry. While alkyl bromides and iodides are more reactive, alkyl chlorides tend to be less expensive and more readily available.Application In Synthesis of N-Methyl-N,N-dioctyloctan-1-aminium chloride

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics