Category: chlorides-buliding-blocks

Substrate selectivity and kinetic studies of (S)-specific alcohol dehydrogenase purified from Candida parapsilosis ATCC 7330 was written by Pinto, Jerrina;Chadha, Anju;Gummadi, Sathyanarayana N.. And the article was included in Biocatalysis and Agricultural Biotechnology in 2022.Electric Literature of C6H9ClO3 The following contents are mentioned in the article:

Biocatalytic reduction catalyzed by alc. dehydrogenases is a valuable tool for asym. synthesis of chiral alcs. This study reports the broad substrate specificity of NADH dependent (S) – specific alc. dehydrogenase (S-ADH) purified from Candida parapsilosis ATCC 7330. The substrates for this enzyme include aliphatic and aromatic ketones, cyclic and diketones, aldehydes, ketoesters, primary and secondary alcs. The kinetic studies of different substrates indicate that ketones and secondary alcs. are the most preferred substrates of S-ADH with highest catalytic efficiencies reported for reduction of acetone (4153 s-1mM-1) and oxidation of 2-propanol (1358 s-1mM-1). The double reciprocal plots obtained for varied concentrations of acetophenone (0.2-16 mM) at a fixed concentration of NADH (0.05, 0.1 and 0.2 mM) and with varied concentrations of NADH (0.01-0.2 mM) at a fixed concentration of acetophenone (1, 4, 8 and 16 mM) showed intersecting lines indicating sequential kinetic mechanism. S-ADH follows Prelog’s stereopreference in reducing prochiral carbonyl substrates to yield (S)-alcs. with >99% enantiomeric excess using a simple coupled substrate approach for cofactor recycling. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3Electric Literature 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.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.Electric Literature of C6H9ClO3

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

Extraction and recovery of organic compounds from aqueous solution using emulsion liquid membrane process was written by Jusoh, Norela;Othman, Norasikin;Bukhari Rosly, Muhammad. And the article was included in Materials Today: Proceedings in 2021.Electric Literature of C25H54ClN The following contents are mentioned in the article:

The emulsion liquid membrane (ELM) has gained much attention as an advanced separation process for the extraction of organic compounds from aqueous solutions ELM is an important method for separation, concentration, and recovery, as well as in understanding mechanisms of solute transport. In this study, the extraction of several organic compounds such as reactive dyes, lignin, phenol, and succinic acid using ELM have been described. The formulation of ELM including carrier, diluent, surfactant, and stripping agent for each organic compound were summarized. Besides, factors that influence the selectivity and efficiency of the process were also analyzed. It was found the suitable operating condition for ELM process are homogenizer speed (7000-12000 rpm), emulsifying time (3-10 min), surfactant concentration (3%), extraction time (3-10 min), carrier concentration (0-0.7 M), stripping agent concentration (01.-0.3 M), and treat ratio (1:1-1:15). Meanwhile, the extraction, recovery, and enrichment were around 71-95%, 84-98%, and 6.7-13.5, resp. Overall, the ELM formulation and range of operating parameters are found to have great potential for future investigations of the ELM process. 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. 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.Electric Literature of C25H54ClN

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

Priority Separation of Phenols with Deep Eutectic Solvents from an Acetonitrile-Extractable Portion of a Shale Oil: Experimental and Computational was written by Yan, Wei-Wei;Wei, Xian-Yong;Li, Jun;Wang, Meng-Xiao;Bai, Hong-Cun;Zong, Zhi-Min. And the article was included in Energy & Fuels in 2022.Related Products of 75-57-0 The following contents are mentioned in the article:

Several liquid deep eutectic solvents (DESs) at room temperature were screened and used to extract phenols from an acetonitrile-extractable portion (ANEP) of the oil from oil shale pyrolysis. Among choline chloride (CC)/ethylene glycol (EG) with lowest viscosity and neutral oil entrainment (molar ratio = 1:3) was selected as an optimal DES for isolating phenols from ANEP. As a result, the CC/EG-extractable portion contains 56.7% of oxygen-containing aromatics, among which phenols account for 75.1% by magnetically stirring the isometric mass mixture of ANEP and the CC/EG at room temperature and 500 rpm for 0.5 h. Intermol. interaction energy and type between different DESs and solutes were calculated by mol. dynamics simulation, independent gradient model anal., energy decomposition anal. based on the force field, and electrostatic potential anal. to uncover the mechanism for the priority separation of phenols. The result shows that the DES that contains polar HBD with lower viscosity and carbon number and asym. HBA with shorter alkyl chains, e.g., CC/EG, could strongly interact with phenols by the strong hydrogen bond, X-H···π and/or cation/anion···π compared to other aromatics This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0Related Products 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.Related Products of 75-57-0

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

Iron-Catalyzed C(sp²)-H Alkylation of Indolines and Benzo[h]quinoline with Unactivated Alkyl Chlorides through Chelation Assistance was written by Jagtap, Rahul A.;Samal, Pragnya Paramita;Vinod, C. P.;Krishnamurty, Sailaja;Punji, Benudhar. And the article was included in ACS Catalysis in 2020.Application In Synthesis of 1-Bromo-6-chlorohexane The following contents are mentioned in the article:

Regioselective C-H bond alkylation of indolines and benzo[h]quinoline with a wide range of unactivated and highly demanded primary and secondary alkyl chlorides is accomplished using a low-cost iron catalyst. This reaction tolerates diverse functionalities, such as C(sp²)-Cl, fluoro, alkenyl, silyl, ether, thioether, pyrrolyl, and carbazolyl groups including cyclic and acyclic alkyls as well as alkyl-bearing fatty-alc. and polycyclic-steroid moieties. The demonstrated iron-catalyzed protocol proceeded via either a five-membered or a six-membered metallacycle. Intriguingly, the C-7-alkylated indolines can be readily functionalized into free-NH indolines/indoles and tryptamine derivatives A detailed mechanistic investigation highlights the participation of an active Fe(I) catalyst and the involvement of a halogen-atom transfer process via a single-electron-based mechanism. Deuterium labeling and kinetics anal. indicate that the C-H metalation of indoline is the probable turnover-limiting step. Overall, the exptl. and theor. studies supported an Fe(I)/Fe(III) pathway for the alkylation reaction comprising the two-step, one-electron oxidative addition of alkyl chloride. This study involved multiple reactions and reactants, such as 1-Bromo-6-chlorohexane (cas: 6294-17-3Application In Synthesis of 1-Bromo-6-chlorohexane).

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. 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).Application In Synthesis of 1-Bromo-6-chlorohexane

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

Bromide-Mediated Reduction Kinetics and Oxidative Etching for Manipulating the Twin Structure and Facet of Pd Nanocrystals for Catalysis was written by Hsieh, Chia-Jui;Liu, Yi-Hong;Tsao, Chi-Yen;Lin, Jui-Tai;Chi, Chong-Chi;Chang, Chun-Wei;Hsiao, Yueh-Chun;Wu, Cheng-Yu;Yang, Tung-Han. And the article was included in Advanced Materials Interfaces in 2022.Synthetic Route of Cl4Na2Pd The following contents are mentioned in the article:

With Pd as an example, a set of quant. analyses is designed to shed light on the bromide-mediated reduction kinetics and oxidative etching in determining the twin structure and facet of Pd nanocrystals. The success of this work relies on the kinetic measurements of Pd(II) precursor reduction and the close examinations of resultant Pd seeds and nanocrystals at different stages of synthesis. We observe there is a clear trend where low, moderate, and high initial Pd(II) reduction rates regulated by Br- ions correspond to the formation of Pd seeds with singly-twinned, multiply-twinned, and single-crystal structures in the nucleation stage, resp. Our quant. analyses also suggest the oxidative etching induced by oxygen/Br- pair can selectively remove the multiply-twinned Pd seeds from the products in the growth stage while leaving behind singly-twinned or single-crystal Pd seeds for the evolution into Pd nanocrystals with well-defined facets in high purity. The mechanistic insights obtained in this work can be extended to the synthesis of Pd@Pd-Pt core-shell nanocubes with high-index facets, which can be used as excellent electrocatalysts and photocatalysts for hydrogen generation. This study involved multiple reactions and reactants, such as Sodium tetrachloropalladate(II) (cas: 13820-53-6Synthetic Route of Cl4Na2Pd).

Sodium tetrachloropalladate(II) (cas: 13820-53-6) 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. 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 Cl4Na2Pd

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

Simple and efficient synthetic routes to bioactive s-triazinyl dithiocarbamate derivatives was written by Desai, R. M.;Dodiya, D. K.;Trivedi, A. R.;Shah, V. H.. And the article was included in Medicinal Chemistry Research in 2008.Name: 4,6-Dichloro-N-phenyl-1,3,5-triazin-2-amine The following contents are mentioned in the article:

Series of 2,4-diarylamino-6-[N-(3′-methylphenyl)dithiocarbamoyl]-s-triazines I (R = Ph, 4-ClC₆H₄, 2-MeOC₆H₄, etc.) and 2,4-bis[N-(3′-methylphenyl)dithiocarbamoyl]-6-arylamino-s-triazines II were synthesized by two different synthetic routes. In the first route (A), 2,4,6-trichloro-s-triazine (III) was condensed with N-(3-methylphenyl)ammoniumdithiocarbamate to afford compounds IV [X = Cl, SC(:S)NHC₆H₄-Me-3], which on reaction with different aryl amines afforded compounds I or II. In the second route (B), condensation of III with different aryl amines yielded compounds V (Y = Cl, NHR). On further treatment with N-(3-methylphenyl)ammoniumdithiocarbamate these afforded compounds I or II. The newly synthesized compounds I and II were characterized by elemental analyses, IR (IR), and ¹H NMR (NMR) spectroscopic investigation. All the products were evaluated for their antibacterial and antifungal activity. This study involved multiple reactions and reactants, such as 4,6-Dichloro-N-phenyl-1,3,5-triazin-2-amine (cas: 2272-40-4Name: 4,6-Dichloro-N-phenyl-1,3,5-triazin-2-amine).

4,6-Dichloro-N-phenyl-1,3,5-triazin-2-amine (cas: 2272-40-4) 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.Name: 4,6-Dichloro-N-phenyl-1,3,5-triazin-2-amine

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

Studies on the synthesis, surface activity and the ability to form pH-regulated wormlike micelles with surfactant containing carboxyl group was written by Yan, Zhihu;Qian, Feng;Sun, Haonan;Lu, Xia;Li, Yu;Lv, Haibin;Dai, Caili;Jiao, Minglian. And the article was included in Journal of Molecular Liquids in 2020.Application of 122-18-9 The following contents are mentioned in the article:

In this article, a series of pH regulated surfactants with different hydrophobic chain length and carboxyl group mol. structure positions were designed and synthesized. The mol. structure of pH regulated surfactants was analyzed by mass spectrometry and ¹H NMR spectroscopy. The results of the surface activity test show that the pH regulated surfactants have lower surface tension, which indicates that it is easier to adsorb directionally at the gas-liquid interface and to aggregate in solution Both inorganic and organic counterions can improve the viscosity of the system to some extent, but the viscosity-increasing ability of organic counterions is much higher than that of inorganic counterions. The results of rheol. and dynamic light scattering show the transition from spherical micelles to wormlike micelles was observed when pH increased from 5 to 8 in the Docos-13-enoylamino-acetic acid (Gly-22)/Trimethylstearylammonium chioride (ODAC) system. The results of Cryo-transmission electron microscopy verify this result directly. Also, the exptl. results show that the Gly-22/ODAC system has excellent pH cycle regulation performance, which can significantly reduce the application cost of the system. This study involved multiple reactions and reactants, such as N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9Application of 122-18-9).

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

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

Improved Production of 5-Hydroxymethylfurfural in Acidic Deep Eutectic Solvents Using Microwave-Assisted Reactions was written by Morais, Eduarda S.;Freire, Mara G.;Freire, Carmen S. R.;Silvestre, Armando J. D.. And the article was included in International Journal of Molecular Sciences in 2022.Application In Synthesis of Tetramethylammonium chloride The following contents are mentioned in the article:

Hydroxymethylfurfural (5-HMF) is a key platform chem., essential for the production of other chems., as well as fuels. Despite its importance, the production methods applied so far still lack in sustainability. In this work, acidic deep eutectic solvents (DES), acting both as solvent and catalyst, were studied for the conversion of fructose into 5-HMF using microwave-assisted reactions. These solvents were screened and optimized by varying the hydrogen bond donor (HBD) and hydrogen bond acceptor (HBA). The bio-based solvent γ-valerolactone (GVL) was also applied as additive, leading to a boost in 5-HMF yield. Then, a response surface methodol. was applied to further optimize operating conditions, such as reaction time, temperature and weight% of added GVL. The highest 5-HMF yield attained, after optimization, was 82.4% at 130°C, in 4 min of reaction time and with the addition of 10 weight% of GVL. Moreover, a process for 5-HMF recovery and DES reuse was developed through the use of the bio-based solvent 2-methyltetrahydrofuran (2-Me-THF), allowing at least three cycles of 5-HMF production with minimal yield losses, while maintaining the purity of the isolated 5-HMF and the efficacy of the reaction media. This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0Application In Synthesis of Tetramethylammonium chloride).

Tetramethylammonium chloride (cas: 75-57-0) 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 Tetramethylammonium chloride

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

A Dual Functional Electroactive and Fluorescent Probe for Coupled Measurements of Vesicular Exocytosis with High Spatial and Temporal Resolution was written by Liu, Xiaoqing;Savy, Alexandra;Maurin, Sylvie;Grimaud, Laurence;Darchen, Francois;Quinton, Damien;Labbe, Eric;Buriez, Olivier;Delacotte, Jerome;Lemaitre, Frederic;Guille-Collignon, Manon. And the article was included in Angewandte Chemie, International Edition in 2017.Safety of 4-Chlororesorcinol The following contents are mentioned in the article:

In this work, Fluorescent False Neurotransmitter 102 (FFN102), a synthesized analog of biogenic neurotransmitters, was demonstrated to show both pH-dependent fluorescence and electroactivity. To study secretory behaviors at the single-vesicle level, FFN102 was employed as a new fluorescent/electroactive dual probe in a coupled technique (amperometry and total internal reflection fluorescence microscopy (TIRFM)). We used N13 cells, a stable clone of BON cells, to specifically accumulate FFN102 into their secretory vesicles, and then optical and electrochem. measurements of vesicular exocytosis were exptl. achieved by using indium tin oxide (ITO) transparent electrodes. Upon stimulation, FFN102 started to diffuse out from the acidic intravesicular microenvironment to the neutral extracellular space, leading to fluorescent emissions and to the electrochem. oxidation signals that were simultaneously collected from the ITO electrode surface. The correlation of fluorescence and amperometric signals resulting from the FFN102 probe allows real-time monitoring of single exocytotic events with both high spatial and temporal resolution This work opens new possibilities in the investigation of exocytotic mechanisms. This study involved multiple reactions and reactants, such as 4-Chlororesorcinol (cas: 95-88-5Safety of 4-Chlororesorcinol).

4-Chlororesorcinol (cas: 95-88-5) belongs to organic chlorides. Organic chlorides can be used in production of: PVC, pesticides, chloromethane, teflon, insulators. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.Safety of 4-Chlororesorcinol

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

Facilely prepared Cl-doped graphene as an efficient anode for the electrochemical catalytic degradation of acetaminophen was written by Zhang, Qian;Wang, Bingxin;Hong, Jun-Ming. And the article was included in Journal of Nanoscience and Nanotechnology in 2021.Application of 95-88-5 The following contents are mentioned in the article:

The application of electrochem. catalytic oxidation in wastewater treatment with powerful Cl doped graphene as an anode has been discussed as a novel approach to degrade acetaminophen effectively. The application of electrochem. catalytic oxidation in wastewater treatment with powerful Cl doped graphene as an anode has been discussed as a novel approach to degrade acetaminophen effectively. The characteristics of Cl-doped graphene that were related to Cl loading content and microscopic morphol. were analyzed by using several instruments, and the defects created by Cl doping were identified. Quenching experiments and ESR detection were proposed to clarify the mechanism underlying the production of active free radicals by Cl doped graphene. The degradation results indicated that efficiency increased with the percentage of Cl atoms doped into the graphene. The best degradation efficiency of acetaminophen could reach 98% when Cl-GN-12 was used. In the process of electrocatalytic oxidation, Oâ€?sup>-₂, and active chlorine, as the main active species, persistently attacked acetaminophen into open-ring intermediates, such as 4-chlororesorcinol, and finally into CO₂ and H₂O. This study involved multiple reactions and reactants, such as 4-Chlororesorcinol (cas: 95-88-5Application of 95-88-5).

4-Chlororesorcinol (cas: 95-88-5) 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.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.Application of 95-88-5

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