Month: November 2022

Wastewater treatment: Degradation of 2,4-dichlorophenoxyacetic acid by anodic oxidation and electro-Fenton using BDD anode was written by Cai, Jingju;Zhou, Minghua;Pan, Yuwei;Lu, Xiaoye. And the article was included in Separation and Purification Technology in 2020.Recommanded Product: 95-88-5 The following contents are mentioned in the article:

The degradation of 2,4-dichlorophenoxyacetic acid (2,4-D) was conducted by anodic oxidation (AO) with a boron-doped diamond (BDD) anode, and was greatly enhanced by combination with electro-Fenton (EF) using carbon black modified graphite felt (CB-GF) as cathode. A high c.d., low initial pH and high concentration of Na₂SO₄ favored for the 2,4-D degradation by AO. In EF, 2,4-D degradation rate increased 8 times after using CB-GF cathode, obtaining a higher mineralization current efficiency (53%) and a lower energy consumption (71.8 kWh kg^-1 TOC) due to the higher generation of H₂O₂. It indicated that the mainly contributing radicals for 2,4-D degradation by AO was ^·OH (57.5%), while the contribution improved to 92% by EF. Compared with AO, EF was more efficient and complete for 2,4-D degradation, confirmed by the detection of the main degradation intermediates and short-chain carboxylic acids. This work demonstrated that EF using BDD anode and high-performance CB-GF cathode was efficient for 2,4-D degradation, which would be a promising electrochem. advanced oxidation process for organic wastewater treatment. This study involved multiple reactions and reactants, such as 4-Chlororesorcinol (cas: 95-88-5Recommanded Product: 95-88-5).

4-Chlororesorcinol (cas: 95-88-5) 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: 95-88-5

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

Quantitative determination of multiple surfactants in water using HPLC-MS/MS was written by Wang, Xiaomeng;Kasperski, Kim. And the article was included in Analytical Methods in 2018.Safety of N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride The following contents are mentioned in the article:

Process water from oil sand operations contains chems. such as scale or corrosion inhibitors added during bitumen processing as well as soluble organics from the bitumen. Under a zero discharge policy, all process water must be stored on-site in tailings ponds. Since the environmental fate of many of these chems. is unknown, their widespread use has raised increasing concerns due to their potential impact on downstream aquatic ecosystems when the water containing these chems. seeps into the environment during operations or when it is discharged into the environment after operations (although some sort of water treatment will almost certainly be needed before such release is allowed). To determine the fate of these chems., one should selectively detect them and quantify their amount in the environment. In this study, a new HPLC-MS/MS method was developed to measure some typical process chems. Using this method, inorganic salts were separated from the chems. without any sample pre-treatment, and the ionic and non-ionic surfactants were detected and quantified. This method will be useful in the determination of potential impacts of individual process chems. on the environment. This study involved multiple reactions and reactants, such as N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9Safety of N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride).

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. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. However, the extent of chlorination is difficult to control.Safety of N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride

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

A new small molecule that directly inhibits the DNA binding of NF-κB was written by Kobayashi, Takanobu;Yoshimori, Atsushi;Kino, Katsuhito;Komori, Rie;Miyazawa, Hiroshi;Tanuma, Sei-ich. And the article was included in Bioorganic & Medicinal Chemistry in 2009.Application of 2272-40-4 The following contents are mentioned in the article:

Nuclear factor-κB (NF-κB) has been considered as a good target for the treatment of many diseases. Although a lot of NF-κB inhibitors have already been reported, many of them have several common problems. Thus, we attempted to identify novel NF-κB inhibitors to be unique lead compounds for creating new pharmaceuticals. In the present study, we screened our chem. library for compounds that directly inhibit the DNA binding of NF-κB by using fluorescence correlation spectroscopy (FCS). Consequently, we identified a promising compound, 4,6-dichloro-N-phenyl-1,3,5-triazin-2-amine, referred to as NI241. It mediated a dose-dependent inhibition of the DNA binding of NF-κB p50. Its analogs also showed dose-dependent inhibition and their inhibitory effects were altered by the substituents on the N-Ph group. Furthermore, we predicted the binding mode of NI241 with p50 in silico. In this model, NI241 forms three hydrogen bonds with Tyr60, His144, and Asp242 on p50, which are important amino acid residues for the interaction with DNA. These results suggest that NI241 with structural novelty may serve as a useful scaffold for the creation of new NF-κB inhibitors by rational optimization. This study involved multiple reactions and reactants, such as 4,6-Dichloro-N-phenyl-1,3,5-triazin-2-amine (cas: 2272-40-4Application of 2272-40-4).

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. 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 2272-40-4

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

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

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

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

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

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

The nitrogen-doped carbon supported ultra-small vanadium nitride nanoparticles as a highly efficient oxygen reduction electrocatalyst for the rechargeable Zn-air battery was written by Zhang, Honghui;Wu, Suqin;Deng, Daijie;Wang, Huan;Xun, Suhang;Chen, Feng;Zhang, Jianming;Xu, Li. And the article was included in Inorganic Chemistry Communications in 2022.Reference of 5137-55-3 The following contents are mentioned in the article:

The regulating active sites of vanadium nitride (VN)-based materials is an effective way to improve their oxygen reduction reaction (ORR) performance, which is expected to effectively solve the problem of sluggish kinetics in the cathode of Zn-air batteries. However, traditional synthesis methods cannot uniformly disperse VN, cause inadequate exposure to the active site, resulting in poor ORR performance. Herein, the authors successfully prepared a nitrogen-doped carbon supported ultra-small vanadium nitride nanoparticles (VN/NC) by organic group modification combined with rapid calcination strategies. The size of VN nanoparticles is �-10 nm. The smaller size can ultimately improve the ORR performance of VN/NC by exposing more active sites. Finally, the half-wave potential of the VN/NC is 0.813 V for ORR. More importantly, the Zn-air batteries assembled with the VN/NC catalyst as the air cathode shows a high power d. (115 mW cm^-2) and a large specific capacity (673 mAh g^-1). This approach can successfully synthesize ultra-small size VN nanoparticles, which is of great significance to the development of efficient air cathode materials for the Zn-air battery. This study involved multiple reactions and reactants, such as N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3Reference of 5137-55-3).

N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3) 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.Reference of 5137-55-3

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