Month: November 2022

Synthesis optimization of phase-singularized UZM-5 zeolite under hydrothermal conditions: The critical control points of its crystalline phase and crystallinity was written by Yao, Rui;Zhang, Wenhao;Peng, Yuan;Song, Hongling;Zhu, Chenyu;Shu, Lun;Yang, Weishen. And the article was included in Microporous and Mesoporous Materials in 2022.Application of 75-57-0 The following contents are mentioned in the article:

Pure UZM-5 zeolite with either nanosheet or rosette-shaped morphol. have been successfully synthesized by a charge d. mismatch (CDM) method under a corresponding tumbling or static conditions. The synthesis parameters were fully investigated to abstain from commonly accompanying byproducts, including SOD or amorphous phase which greatly interfered with the use of UZM-5. The crystalline phases and relative crystallinity of resultant products were carefully substantiated by using scanning electron microscope and X-ray diffraction. As a result, the molar ratios of water and structure directing agents thereof were deemed to be two vital parameters which had significant effects on the well-defined pure-phase UZM-5 zeolite production Trace ethanol added in the reagent solution was found to play a role in zeolite purification There is an urgent need in electrocatalytic reduction of nitrate to ammonia. In this work, pure UZM-5 zeolite with Lewis acid sites served as catalyst matrix for the application to produce this valuable chem. Excellent ammonia production rate with high faradaic efficiency was achieved by using the obtained novel UZM-5-based catalyst for the reduction reaction, strongly proving the great potential of this young zeolite in catalysis applications. This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0Application of 75-57-0).

Tetramethylammonium chloride (cas: 75-57-0) 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. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.Application of 75-57-0

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

Towards a rational design of materials for the removal of environmentally relevant cations: polymer inclusion membranes (PIMs) and surface-modified PIMs for Sn²⁺ sequestration in aqueous solution was written by Lando, Gabriele;Gomez-Laserna, Olivia;Proverbio, Edoardo;Khaskhoussi, Amani;Iannazzo, Daniela;Plutino, Maria Rosaria;De Stefano, Concetta;Bretti, Clemente;Cardiano, Paola. And the article was included in Environmental Science and Pollution Research in 2021.Category: chlorides-buliding-blocks The following contents are mentioned in the article:

This work is focused on the design and preparation of polymer inclusion membranes (PIMs) for potential applications for stannous cation sequestration from water. For this purpose, the membranes have been synthesized employing two polymeric matrixes, namely, polyvinylchloride (PVC) and cellulose triacetate (CTA), properly enriched with different plasticizers. The novelty here proposed relies on the modification of the cited PIMs by selected extractants expected to interact with the target cation in the membrane bulk or onto its surface, as well as in the evaluation of their performances in the sequestration of tin(II) in solution through chemometric tools. The composition of both the membrane and the solution for each trial was selected by means of a D-Optimal Exptl. Design. The samples such prepared were characterized by means of TG-DTA, DSC, and static contact angles investigations; their mech. properties were studied in terms of tensile strength and elastic modulus, whereas their morphol. was checked by SEM. The sequestering ability of the PIMs toward stannous cation was studied by means of kinetic and isotherm experiments using DP-ASV. The presence of tin in the membranes after the sequestration tests was ascertained by μ-ED-XRF mapping on selected samples. 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. Organic chlorides are compounds containing a carbon-chlorine bond, which are widely used in the oil field as a wax dissolver. 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.Category: chlorides-buliding-blocks

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

Deep eutectic solvents as media in alcohol dehydrogenase-catalyzed reductions of halogenated ketones was written by Ibn Majdoub Hassani, Fatima Zohra;Amzazi, Saaid;Kreit, Joseph;Lavandera, Ivan. And the article was included in ChemCatChem in 2020.Computed Properties of C6H9ClO3 The following contents are mentioned in the article:

The application of deep eutectic solvents (DESs) in biotechnol. processes has gained an outstanding relevance, as they can be used as greener media to obtain higher productivities and selectivities. In the present contribution, an eutectic mixture composed of choline chloride (ChCl): glycerol (1 : 2 mol/mol) has been used as a reaction medium in combination with Tris-SO₄ 50 mM buffer pH 7.5, applied to the alc. dehydrogenase (ADH)-catalyzed reduction of various carbonyl precursors of chiral halohydrins. These alcs. are key intermediates of biol. active compounds, and hence they are of industrial interest. In the presence of up to 50% volume/volume of DES, these biotransformations were achieved up to 300-400 mM of the α-halogenated ketone substrate, getting access to the final compounds with excellent conversions (usually >90%) and enantiomeric excess (ee >99%). Among the different ADHs tested, two stereocomplementary enzymes (Lactobacillus brevis ADH and Rhodococcus ruber ADH) afforded the best results, so both alc. enantiomers could be obtained in all the studied examples. Selected bioredns. were scaled up to 250 mg and 1 g, demonstrating the potential that DESs can offer as media in redox processes for substrates with low solubility in water. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3Computed Properties of C6H9ClO3).

Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3) 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. The haloform reaction, using chlorine and sodium hydroxide, is also able to generate alkyl halides from methyl ketones, and related compounds. Chloroform was formerly produced thus.Computed Properties of C6H9ClO3

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

Dye removal with emulsion liquid membrane: experimental design and response surface methodology was written by Benabela, Imene;Benderrag, Abdelkader;Haddou, Boumediene;Canselier, Jean Paul;Gourdon, Christophe. And the article was included in Environmental Technology.Related Products of 5137-55-3 The following contents are mentioned in the article:

This work aims to removing anionic food dyes, Acid Red18 (E124) and Quinoline Yellow WS (E104), from their aqueous solutions The Emulsion Liquid Membrane (ELM) technique was used. ELM consists of diluent (kerosene), nonionic surfactant (0.5 weight% Triton X-45), Aliquat 336 as an extractant. Sulfuric acid (H₂SO₄) solution was used as an internal aqueous phase. The key parameters impacting the stability of liquid membrane and the efficiency of dye removal were investigated; Almost 98% of E124 at 50 mg/L are successfully extracted under optimum conditions. The extraction of a mixture of the two dyes at equal concentrations (25 mg/L) was conducted and their extraction showed more than 95% of efficiency. The exptl. results of dye mixture (E124, E104) extraction were expressed by the following three quantities: The concentration of Triton X-45, the concentration of Aliquat 336, and the internal phase concentration of H₂SO₄, represented on three dimensional plots using the Box-Behnken design and the response surface methodol. For each of the parameters, the values of which were determined by exptl. design, these results were subjected to empirical smoothing. The values, thus calculated, are consistent with the measurements. This study involved multiple reactions and reactants, such as N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3Related Products of 5137-55-3).

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. Organochlorine compounds are lipophylic, meaning they are more soluble in fat than in water. This gives them a high tenancy to accumulate in the food chain (biomagnification).Related Products of 5137-55-3

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

Electrochemical properties of a lithium-impregnated metal foam anode (LIMFA FeCrAl) for molten salt thermal batteries was written by Choi, Yusong;Ahn, Tae-Young;Ha, Sang-Hyeon;Lee, Jae-In;Cho, Jang-Hyeon. And the article was included in Scientific Reports in 2022.Synthetic Route of ClLi The following contents are mentioned in the article:

Although numerous cathode materials with excellent properties have been developed for use in molten salt thermal batteries, similar progress is yet to be made with anode materials. Herein, a high-performance lithium-impregnated metal foam anode (LIMFA) is fabricated by impregnating molten lithium into a gold-coated iron-chrome-aluminum (FeCrAl) foam at 400°C. A test cell employing the LIMFA FeCrAl anode exhibited a specific capacity of 2627 As g^-1. For comparison, a cell with a conventional Li(Si) anode was also discharged, demonstrating a specific capacity of 982 As g^-1. This significant improvement in performance can be attributed to the large amount (18 wt%) of lithium incorporated into the FeCrAl foam and the ability of the FeCrAl foam to absorb and immobilize molten lithium without adopting a cup system. For thermal batteries without a cup, the LIMFA FeCrAl provides the highest-reported specific capacity and a flat discharge voltage curve of molten lithium. After cell discharge, the FeCrAl foam exhibited no lithium leakage, surface damage, or structural collapse. Given these advantageous properties, in addition to its high specific capacity, LIMFA FeCrAl is expected to aid the development of thermal batteries with enhanced performance. This study involved multiple reactions and reactants, such as Lithium chloride (cas: 7447-41-8Synthetic Route of ClLi).

Lithium chloride (cas: 7447-41-8) 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. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. However, the extent of chlorination is difficult to control.Synthetic Route of ClLi

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

Moisture sorption isotherms and thermodynamic properties of tiger nuts: An oil-rich tuber was written by Zhang, Zhen-shan;Li, Xiao-dan;Jia, Hui-jie;Liu, Yu-lan. And the article was included in LWT–Food Science and Technology in 2022.Category: chlorides-buliding-blocks The following contents are mentioned in the article:

The moisture adsorption isotherms of tiger nuts were determined by a gravimetric static method at 15, 25, 35°C within the water activity varying from 0.113 to 0.979. Ten math. models were selected to fit the adsorption data using non-linear regression technique. Thermodn. properties such as isosteric heat, sorption entropy and Gibbs free energy were evaluated. The results indicated that equilibrium moisture content of tiger nuts tended to increase with increasing water activity and decreasing temperature The isotherm curves of tiger nuts exhibited a Type II sigmoidal shape. Peleg model was the most suitable for describing the exptl. sorption behavior, followed by the Smith and GAB models. The adsorption surface area and monolayer moisture content of tiger nuts obtained from GAB model were 166.37-149.74 m²/g solid and 4.71-4.24 H₂O/100 g solid, resp., which decreased with increasing temperature Moreover, the isosteric heat of adsorption decreased exponentially with the increase of equilibrium moisture content, while the Gibbs free energy was opposite. Adsorption entropy was neg. in value and it decreased sharply and then rose slowly as the moisture content increased, having a min. value (6.43 J/mol K) at a moisture content of 11 g/100 g d.b. This study involved multiple reactions and reactants, such as Lithium chloride (cas: 7447-41-8Category: chlorides-buliding-blocks).

Lithium chloride (cas: 7447-41-8) 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. 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.Category: chlorides-buliding-blocks

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

Quaternary Ammonium Compounds: Bioaccumulation Potentials in Humans and Levels in Blood before and during the Covid-19 Pandemic was written by Zheng, Guomao;Webster, Thomas F.;Salamova, Amina. And the article was included in Environmental Science & Technology in 2021.Recommanded Product: 122-18-9 The following contents are mentioned in the article:

Quaternary ammonium compounds (QACs) are commonly used in a variety of consumer, pharmaceutical, and medical products. In this study, bioaccumulation potentials of 18 QACs with alkyl chain lengths of C8-C18 were determined in the in vitro-in vivo extrapolation (IVIVE) model using the results of human hepatic metabolism and serum protein binding experiments The slowest in vivo clearance rates were estimated for C12-QACs, suggesting that these compounds may preferentially build up in blood. The bioaccumulation of QACs was further confirmed by the anal. of human blood (sera) samples (n = 222). Fifteen out of the 18 targeted QACs were detected in blood with the ΣQAC concentrations reaching up to 68.6 ng/mL. The blood samples were collected during two distinct time periods: before the outbreak of the COVID-19 pandemic (2019; n = 111) and during the pandemic (2020, n = 111). The ΣQAC concentrations were significantly higher in samples collected during the pandemic (median 6.04 ng/mL) than in those collected before (median 3.41 ng/mL). This is the first comprehensive study on the bioaccumulation and biomonitoring of the three major QAC groups and our results provide valuable information for future epidemiol., toxicol., and risk assessment studies targeting these chems. This study involved multiple reactions and reactants, such as N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9Recommanded Product: 122-18-9).

N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9) 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.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.Recommanded Product: 122-18-9

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

Design, synthesis and biological evaluation of potential anti-AD hybrids with monoamine oxidase B inhibitory and iron-chelating effects was written by Guo, Jianan;Mi, Zhisheng;Jiang, Xiaoying;Zhang, Changjun;Guo, Zili;Li, Linzi;Gu, Jinping;Zhou, Tao;Bai, Renren;Xie, Yuanyuan. And the article was included in Bioorganic Chemistry in 2021.Synthetic Route of C6H9ClO3 The following contents are mentioned in the article:

A series of active hybrids combining 3-hydroxypyridin-4(1H)-one and coumarin pharmacophores were designed and synthesized as potential agents for the treatment of Alzheimer’s disease (AD). All the compounds exhibited excellent iron-chelating activities (pFe3+ = 14.8-19.2) and showed favorable monoamine oxidase B (MAO-B) inhibitory effects compared to the reference drug Pargyline (IC50 = 86.9 nM). Among them, compound 11 g displayed the best MAO-B inhibitory activity with an IC50 value of 99.3 nM. Mol. docking anal. showed that compound 11 g could enter the entrance cavity and substrate cavity of MAO-B. Furthermore, the compound 11 g had an excellent antioxidant effect and was capable of protecting from the amyloid-β1-42 (Aβ1-42) induced PC12 cell damage. In silico tools were applied for predicting the blood-brain barrier (BBB) penetration and compound 11 g was proved to overcome the brain exposure challenge. In the mice behavioral study, compound 11 g significantly ameliorated cognitive impairment induced by Scopolamine. More importantly, compound 11 g displayed favorable pharmacokinetic profiles in a rat model. In summary, compound 11 g, with both anti-MAO-B and iron-chelating ability, was proved to be a promising potential anti-AD agent for further optimization. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3Synthetic Route of C6H9ClO3).

Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3) belongs to organic chlorides. Organic chlorides can be used in production of: PVC, pesticides, chloromethane, teflon, insulators. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. However, the extent of chlorination is difficult to control.Synthetic Route of C6H9ClO3

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

Screening of Ionic Liquids and Deep Eutectic Solvents for Physical CO₂ Absorption by Soft-SAFT Using Key Performance Indicators was written by Alkhatib, Ismail I. I.;Ferreira, Margarida L.;Alba, Carlos G.;Bahamon, Daniel;Llovell, Felix;Pereiro, Ana B.;Araujo, Joao M. M.;Abu-Zahra, Mohammad R. M.;Vega, Lourdes F.. And the article was included in Journal of Chemical & Engineering Data in 2020.SDS of cas: 75-57-0 The following contents are mentioned in the article:

The efficient screening of solvents for CO₂ capture requires a reliable and robust equation of state to characterize and compare their thermophys. behavior for the desired application. In this work, the potentiality of 14 ionic liquids (ILs) and 7 deep eutectic solvents (DESs) for CO₂ capture was examined using soft-SAFT as a modeling tool for the screening of these solvents based on key process indicators, namely, cyclic working capacity, enthalpy of desorption, and CO₂ diffusion coefficient Once the models were assessed vs. exptl. data, soft-SAFT was used as a predictive tool to calculate the thermophys. properties needed for evaluating their performance. Results demonstrate that under the same operating conditions, ILs have a far superior performance than DESs primarily in terms of amount of CO₂ captured, being at least two-folds more than that captured using DESs. The screening tool revealed that among all the examined solvents and conditions, [C₄ py][NTf₂] is the most promising solvent for phys. CO₂ capture. The collection of the acquired results confirms the reliability of the soft-SAFT EoS as an attractive and valuable screening tool for CO₂ capture and process modeling. This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0SDS of cas: 75-57-0).

Tetramethylammonium chloride (cas: 75-57-0) 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. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. However, the extent of chlorination is difficult to control.SDS of cas: 75-57-0

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

Deuterated Clopidogrel Analogues as a New Generation of Antiplatelet Agents was written by Zhu, Yaoqiu;Zhou, Jiang;Jiao, Bo. And the article was included in ACS Medicinal Chemistry Letters in 2013.Recommanded Product: (S)-Methyl 2-amino-2-(2-chlorophenyl)acetate The following contents are mentioned in the article:

Clopidogrel (CPG) is an antithrombotic prodrug that needs hepatic cytochrome P 450 (CYP) enzymes for its bioactivation. The clin. effects of CPG have been associated with high intersubject variability and a certain level of resistance. Recently, comprehensive biotransformation studies of CPG support that the observed clin. uncertainty stems from the low bioactivation efficiency, which is attributed to extensive attritional metabolism (e.g., hydrolysis of the Me ester functionality and oxidation of the piperidine moiety). With the goal of potentiating the desired thiophene 2-oxidation through minimal structural modification, we have adopted the strategy of targeted metabolism shift and have designed and synthesized deuterated piperidine analogs of CPG. In vitro studies showed that the prodrug activation percentages have been significantly increased for the deuterated analogs as a result of stability enhancement of the piperidine moiety. In a pharmacol. study with a rat model, oral administration of the deuterated analogs also demonstrated higher inhibitory activity than that of CPG against ADP (ADP) induced platelet aggregation. These deuterated analogs represent a new generation of antiplatelet agents with the potential to overcome the major clin. drawbacks of CPG. This study involved multiple reactions and reactants, such as (S)-Methyl 2-amino-2-(2-chlorophenyl)acetate (cas: 141109-14-0Recommanded Product: (S)-Methyl 2-amino-2-(2-chlorophenyl)acetate).

(S)-Methyl 2-amino-2-(2-chlorophenyl)acetate (cas: 141109-14-0) 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. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.Recommanded Product: (S)-Methyl 2-amino-2-(2-chlorophenyl)acetate

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