Category: chlorides-buliding-blocks

Vortex-assisted dispersive liquid-phase microextraction for the analysis of main active compounds from Zi-Cao-Cheng-Qi decoction based on a hydrophobic deep eutectic solvent was written by Xue, Jiao;Yang, Li;Chen, Xuan;Bai, Xiao-Hong;Hu, Shuang. And the article was included in Journal of Separation Science in 2021.Synthetic Route of C25H54ClN The following contents are mentioned in the article:

In this study, a vortex-assisted hydrophobic deep eutectic solvent dispersive liquid-phase microextraction was developed and used for the extraction and preconcentration of six main active compounds in Zi-Cao-Cheng-Qi decoction. The deep eutectic solvent, prepared by mixing tetrabutylammonium chloride and hexanoic acid at a molar ratio of 1:1, was added to the sample solution containing the analytes. In the absence of disperser, the extractant was rapidly dispersed into fine droplets by the aid of vortex and adequately contacted with the analytes. Some key parameters affecting the approach including extraction solvent type and volume, sample phase pH, extraction time, centrifugation time, and salt concentration were investigated and optimized. Under the optimum conditions, enrichment factors of the target analytes were in the range of 3-330. The calibration graphs were linear with a correlation coefficient (r) ≥ 0.9929. The detection limits were 0.3-0.9 ng/mL, and the satisfactory precisions (relative standard deviations, 0.5-8.9%) and accuracies (relative recoveries, 91.1-102.2%) were also obtained. The developed method was rapid (only 2 min), eco-friendly, effective, and easy to operate. And it has been successfully applied to simultaneous extraction, enrichment, and determination of the main active compounds in a traditional Chinese medicinal formula coupled with high-performance liquid chromatog. This study involved multiple reactions and reactants, such as N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3Synthetic Route of C25H54ClN).

N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3) 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. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.Synthetic Route of C25H54ClN

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

Role of surface steps in activation of surface oxygen sites on Ir nanocrystals for oxygen evolution reaction in acidic media was written by Kim, Myeongjin;Park, Jinho;Wang, Maoyu;Wang, Qingxiao;Kim, Moon J.;Kim, Jin Young;Cho, Hyun-Seok;Kim, Chang-Hee;Feng, Zhenxing;Kim, Byung-Hyun;Lee, Seung Woo. And the article was included in Applied Catalysis, B: Environmental in 2022.Recommanded Product: Sodium tetrachloropalladate(II) The following contents are mentioned in the article:

Ir and its oxide are the only available oxygen evolution reaction (OER) electrocatalysts with reasonably high activity and stability for com. proton-exchange membrane electrolyzers. However, the establishment of structure-performance relationships for the design of better Ir-based electrocatalysts is hindered by their uncontrolled surface reconstruction during OER in acidic media. Herein, we monitor the structural evolution of two model Ir nanocrystals (one with a flat surface enclosed by (100) facets and the other with a concave surface containing numerous high-index planes) under acidic OER conditions. Operando X-ray absorption spectroscopy measurements reveal that the promotion of surface IrO_x formation during the OER by the concave Ir surface with high-index planes results in a gradual OER activity increase, while a decrease in activity and limited oxide formation are observed for the flat Ir surface. After the activation process, the Ir concave surface exhibits ∼ 10 times higher activity than the flat surface. D. functional theory computations reveal that Ir high-index surfaces are thermodynamically preferred for the adsorption of oxygen atoms and the formation of surface oxides under OER conditions. Thus, our work establishes a structure-performance relationship for Ir nanocrystals under operating conditions, providing new principles for the design of nanoscale OER electrocatalysts. This study involved multiple reactions and reactants, such as Sodium tetrachloropalladate(II) (cas: 13820-53-6Recommanded Product: Sodium tetrachloropalladate(II)).

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

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

The role of ionic vs. non-ionic excipients in APIs-based eutectic systems was written by Martins, Monia A. R.;Silva, Liliana P.;Jorge, Patricia S.;Abranches, Dinis O.;Pinho, Simao P.;Coutinho, Joao A. P.. And the article was included in European Journal of Pharmaceutical Sciences in 2021.Computed Properties of C4H12ClN The following contents are mentioned in the article:

Aiming to contribute to drug pre-formulation, new eutectic mixtures were developed. Thymol, coumarin, or quaternary ammonium chlorides as excipients, were combined with the active pharmaceutical ingredients (APIs) acetylsalicylic acid, acetaminophen, ibuprofen, ketoprofen, or lidocaine. Their solid-liquid equilibrium (SLE) binary phase diagrams were measured to study eventual phase separation between the compounds, preventing manufacturing problems, and to study the mol. interactions between the APIs and ionic or non-ionic excipients. The Conductor-like Screening Model for Real Solvents (COSMO-RS) capability to predict the SLE of mixtures containing non-ionic excipients was further evaluated. COSMO-RS gives a good quant. description of the exptl. SLE being a tool with great potential in the screening of eutectic systems containing APIs and non-ionic excipients. While thymol presents strong interactions with the APIs, and consequently neg. deviations to thermodn. ideality, systems containing coumarin follow a quasi-ideal behavior. Regarding the ionic excipients, both choline chloride and the tetraalkylammonium chlorides are unable to establish relevant interactions with the APIs, and no significant neg. deviations to ideality are observed The liquefaction of the APIs here studied is favored by using non-ionic excipients, such as thymol, due to the strong interactions it can establish with the APIs. This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0Computed Properties of C4H12ClN).

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. 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.Computed Properties of C4H12ClN

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

Far-Red and Near-Infrared Boron Schiff Bases (BOSCHIBAs) Dyes Bearing Anionic Boron Clusters was written by Corona-Lopez, Maria M.;Munoz-Flores, Blanca M.;Chaari, Mahdi;Nunez, Rosario;Jimenez-Perez, Victor M.. And the article was included in European Journal of Inorganic Chemistry in 2021.Reference of 75-57-0 The following contents are mentioned in the article:

Here, we report a short series of six new boron Schiff bases (BOSCHIBAs), four of them bearing anionic boron clusters. The boron complexes (1–2) were synthesized by the multicomponent reaction. The Boron Schiff bases were appropriately functionalized with boron cluster anions [B₁₂H₁₂]^2- (3–4) and [3,3′-Co(C₂B₉H₁₁)₂]^– (5–6). Remarkably, BOSCHIBAs bearing [B₁₂H₁₂]^2- showed fluorescence emission to the NIR and far-red regions (3: 747 nm, 4: 690 nm), while 5 and 6 exhibited emission in the UV region (5: 525 and 6: 475 nm). Notably, complexes 2, 5, and 6 showed the highest photostability, followed by the boron complexes 1 and 3, which suggest that the nature of the boron cluster influences photostability properties. Compounds 3–4 represent the first example of boron Schiff bases bearing boron cluster anions [B₁₂H₁₂]^2- exhibiting fluorescence emission in the NIR and far-red regions, make them potential candidates as fluorescence probes for bioimaging. This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0Reference of 75-57-0).

Tetramethylammonium chloride (cas: 75-57-0) 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. 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.Reference of 75-57-0

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

Furoate Based Functionalised Ionic Liquid: Antimicrobial and Antioxidant Studies was written by Rama, R.;Meenakshi, S.;Manjunathan, J.;Abirami, G.;Karthikeyan, S.. And the article was included in Australian Journal of Chemistry in 2021.Recommanded Product: N-Methyl-N,N-dioctyloctan-1-aminium chloride The following contents are mentioned in the article:

A tetraalkyl ammonium cation and furoate anion based functionalised ionic liquid (FIL), N-methyl-N,N,N-trioctylammonium furoate ([MTOA]⁺[FA]^–) has been synthesized and characterised using FT-IR, NMR, and UV spectroscopic techniques. The invitro antimicrobial activity of the synthesized FIL against two types of Gram-pos. bacteria, namely Staphylococcus aureus and Enterobacter faecalis as well as Gram-neg. bacteria, namely Escherichia coli and Pseudomonas aeruginosa was tested using a well diffusion method. Similarly, an antifungal test was done against Candida albicans. [MTOA]⁺[FA]^– showed significant inhibitory effect against all the organisms tested as compared with the chosen standards Antibacterial activity against gram-pos. bacteria (zone of inhibition: 16 to 30mm) was found to be higher than that of Gram-neg. bacteria (zone of inhibition: 11 to 19mm). Moreover, the antioxidant activity of the synthesized FIL from a ferrous ion (Fe²⁺) chelating assay and its scavenging activity against 1,1-diphenyl-2-picrylhydrazyl, H₂O₂, and 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) free radical using spectrophotometric methods are reported. The FIL, [MTOA]⁺[FA]^– showed a moderate antioxidant activity. This study involved multiple reactions and reactants, such as N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3Recommanded Product: N-Methyl-N,N-dioctyloctan-1-aminium chloride).

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.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: N-Methyl-N,N-dioctyloctan-1-aminium chloride

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

Robust hydrogen production from HCOOH over amino-modified KIT-6-confined PdIr alloy nanoparticles was written by Peng, Wenfang;Liu, Shiwen;Li, Xiugang;Feng, Gang;Xia, Jianhui;Lu, Zhang-Hui. And the article was included in Chinese Chemical Letters in 2022.COA of Formula: Cl4Na2Pd The following contents are mentioned in the article:

Formic acid (FA), which can be produced via CO₂ reduction and biomass conversion, has received extensive interest as a convenient and safe hydrogen carrier due to its wide range of sources, renewable, high hydrogen content (4.4 wt%), and convenient storage/transportation. Designing highly efficient catalysts is the main challenge to realize the hydrogen production from FA. In this work, well-dispersed and electron-rich PdIr alloy nanoparticles with a size of 1.8 nm are confined in amino-modified 3D mesoporous silica KIT-6 and applied as a highly efficient catalyst for robust hydrogen production from FA at ambient temperature Small PdIr alloy nanoparticles confined by amino-modified KIT-6 (PdIr/KIT-6-NH₂) lead to better catalytic activity compared to that of Pd/KIT-6-NH₂ and PdIr confined by bare KIT-6, achieving a high turnover frequency (TOF) value of 3533 h^-1 at ambient temperature (303 K), 100% H₂ selectivity and conversion toward the dehydrogenation of FA, which is comparable to the best heterogeneous catalysts ever reported. The high catalytic activity of PdIr/KIT-6-NH₂ can be attributed to the synergistic effect between Pd and Ir, strong interaction between PdIr and KIT-6-NH₂, as well as the amino-groups of KIT-6-NH₂ which can act as a proton scavenger to promote the breaking of O-H bond of formic acid. This study involved multiple reactions and reactants, such as Sodium tetrachloropalladate(II) (cas: 13820-53-6COA of Formula: Cl4Na2Pd).

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

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

Aliphatic polyamide nanofilm with ordered nanostripe, synergistic pore size and charge density for the enhancement of cation sieving was written by Yuan, Bingbing;Zhao, Siheng;Xu, Shaojie;Wang, Ning;Hu, Ping;Chen, Kuo;Jiang, Juhui;Cui, Jiabao;Zhang, Xiaozhuan;You, Meng;Niu, Q. Jason. And the article was included in Journal of Membrane Science in 2022.Quality Control of Lithium chloride The following contents are mentioned in the article:

Enhanced cation sieving selectivity is significant for polyamide (PA) nanofiltration membrane in terms of extracting lithium from Salt Lake brines, which enable to reduce production cost and operating energy consumption. Herein, an aliphatic PA nanofilm with ordered nanostripe was fabricated using a novel distorted and non-coplanar monomer, cyclopentane tetracarboxylic acid chloride (CPTC). Because of the fine-tuning of the dendrimer porous layer, the resultant aliphatic PA membrane revealed decreased thickness in separation layer, and an enhanced synergistic effect of size exclusion and Donnan equilibrium on mono-/divalent cation. Separation experiments indicated that a higher MgCl2 rejection (up to 98.36%) and a lower LiCl rejection (33.3%) were obtained, thus achieving a good cation selectivity (48.25 for Na⁺/Mg2⁺, 36.5 for Li⁺/Mg2⁺). This result was better compared with the full-aromatic and most of the literature reported pos. charged PA membranes. Moreover, water flux of the CPTC-tris(2-aminoethyl) amine (TAEA) membrane with nanostripe structure (N-CPTC-TAEA) increased 3.98-4.74 times (for example, 135.9 ± 4.62 for 2000 ppm LiCl) that of the CPTC-TAEA membrane. Meanwhile, the N-CPTC-TAEA also exhibited a better antifouling property than that of the full-aromatic membrane. This study demonstrates that the N-CPTC-TAEA tends to be an alternative membrane material for cation separation This study involved multiple reactions and reactants, such as Lithium chloride (cas: 7447-41-8Quality Control of Lithium chloride).

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. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.Quality Control of Lithium chloride

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

Acetoacetyl-CoA reductase PhaB as an excellent anti-Prelog biocatalyst for the synthesis of chiral β-hydroxyl ester and the molecular basis of its catalytic performance was written by Wang, Ting;Yang, Ke;Tian, Qing;Han, Ruiting;Zhang, Xuanshuo;Li, Aipeng;Zhang, Lianbing. And the article was included in Molecular Catalysis in 2021.Synthetic Route of C6H9ClO3 The following contents are mentioned in the article:

Acetoacetyl-CoA reductase PhaB turned out to be capable of catalyzing the anti-Prelog asym. reduction of various β-ketoesters (1a-12a) and aromatic ketones (13a-29a). Particularly, PhaB showed high specific activity and excellent stereoselectivity (93.0%-99.8% eep) toward β-ketoesters. The specific activity of PhaB toward Et 4-chloroacetoacetate 11a was up to 1302.2 mU/mg. The mol. basis anal. showed the rotatable single bonds in β-ketoesters endow them with a high degree of structural flexibility and adaptability. Thus, β-ketoesters could quickly adjust their conformation and further form a productive conformation in the narrow substrate-binding pocket of the enzyme. In contrast, PhaB exhibited low specific activity and stereoselectivity toward the majority of aromatic ketones. The large steric hindrance and rigid structure resulted from aromatic rings made the aromatic ketones impossible to adjust their conformation as conveniently as β-ketoesters. Furthermore, it was found the halogen bond was the major driven force of the high specific activity of PhaB toward chlorinated β-ketoesters (10a and 11a), while the distribution of enzyme-substrate interactions was an important factor determining the enzyme activity besides the steric hindrance. Moreover, the geometric configuration of the substrate and the enzyme substrate-binding pocket played critical roles in determining the substrate binding mode and the enzyme stereoselectivity. 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 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.Synthetic Route of C6H9ClO3

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

Highly Porous Self-Supporting Graphene Oxide-Based Membranes for the Selective Separation of Lithium Ions was written by Cheng, Mengmeng;Chu, Tianfei;Yin, Xiaolu;Hou, Shifeng;Yang, Yanzhao. And the article was included in ACS Sustainable Chemistry & Engineering in 2022.Related Products of 7447-41-8 The following contents are mentioned in the article:

Facilitating the accurate recognition of lithium ions (Li⁺) by filtration membranes is of great significance for the efficient and selective separation of Li⁺ from saline lake brine and seawater. Herein, a highly porous self-supporting graphene oxide-based (GCS) membrane modified by single-walled carbon nanotubes (SWCNTs) and 4-aminobenzo-12-crown-4 (AB12C4) was fabricated via a facile and versatile vacuum filtration method. The highly porous structure constructed with polystyrene microspheres as a self-sacrificial template could provide a larger contact area at the solid-liquid interface. Moreover, the addition of elec. SWCNTs endows the GCS membrane with a tunable adsorption behavior by an external elec. field. Meanwhile, the decoration of AB12C4 on the multilayered GCS membrane realizes a specific recognition of Li⁺ with an excellent adsorption capacity of 37.0 mg g^-1, exhibiting considerably high separation factors against Na⁺ (18.97), K⁺ (26.19), Mg²⁺ (16.67), and Ca²⁺ (19.64). According to the d. functional theory calculations, the adsorption of GCS membrane for Li⁺ is more thermodynamically favorable than that of the contrast ions. This work demonstrates an effective approach with the convenient vacuum filtration technol. for the selective adsorption of Li⁺, which could alleviate the shortage of lithium resources. This study involved multiple reactions and reactants, such as Lithium chloride (cas: 7447-41-8Related Products of 7447-41-8).

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

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

Effects of accelerator alkyl chain length on the microvia filling performance in copper superconformal electroplating was written by Luo, Jiye;Li, Zhen;Shi, Minghao;Chen, Jiajia;Hao, Zhifeng;He, Jun. And the article was included in Journal of the Electrochemical Society in 2019.Synthetic Route of C6H12BrCl The following contents are mentioned in the article:

In addition to the commercialized accelerator bis-(sodium sulfopropyl)-disulfide (SPS), the authors designed and synthesized two other disulfide compounds, namely, bis-(sodium sulfohexyl)-disulfide (SHS) and bis-(sodium sulfoethyl)-disulfide (SES), to study the effect of their alkyl chain lengths on the microvia filling performance. The galvanostatic measurements show that the addition of Cl^– to different accelerator-containing solutions leads to the same synergistic effects at a c.d. of 20 mA/cm², indicating that the interactions between accelerators and Cl^– are independent of their alkyl chain lengths. However, when both Cl^– and a suppressor are present, the alkyl chain length in accelerators strongly impacts their anti-suppressor strength, which increases with the growth of the alkyl chain length, reaches a maximum (SPS) and then decreases. A possible adsorption and interaction model is proposed to explain the difference of anti-suppressor effects, and microvia filling plating experiments were carried out to evaluate the effects on the filling performance. Both SES and SPS, which have appropriate mol. lengths and relatively strong antagonistic effects against polyethylene glycol (PEG) and Cl^– ensemble, achieved complete microvia filling. For SHS, due to the overlong alkyl chain and weak antagonistic effect against PEG and Cl^–, no microvia was completely filled. This study involved multiple reactions and reactants, such as 1-Bromo-6-chlorohexane (cas: 6294-17-3Synthetic Route of C6H12BrCl).

1-Bromo-6-chlorohexane (cas: 6294-17-3) 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.Synthetic Route of C6H12BrCl

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