Category: chlorides-buliding-blocks

Ion-association dispersive liquid-liquid microextraction of trace amount of gold in water samples and ore using Aliquat 336 prior to inductivity coupled plasma atomic emission spectrometry determination was written by Zari, Naeemeh;Hassan, Jalal;Tabar-Heydar, Kourosh;Ahmadi, Seyyed Hamid. And the article was included in Journal of Industrial and Engineering Chemistry in 2020.Category: chlorides-buliding-blocks The following contents are mentioned in the article:

An extraction method employing dispersive liquid-liquid microextraction (DLLME) and ICP-OES has been developed for rapid separation, pre-concentration and determination of ultra-trace amount of Au(III). The extraction of the analyte was performed in the presence of a quaternary ammonium cation, N-Methyl-N, N, N-trioctylammonium chloride, (Aliquat 336) as an extractant based on ion-association extraction system. 1-octanol and acetonitrile were used as extraction and disperser solvents, resp. The variables affecting the extraction conditions were optimized. Calibration curve in the range of 0.3-100 ng mL^-1, the detection limit of 0.09 ng mL^-1, enrichment factor of 150 and extraction recovery of 74% were obtained. The precision (R.S.D. %) of the method was 6% for 5 replicates and recoveries of 10 ng mL^-1 Au(III). The combined DLLME method with ICP-OES can readily determine Au(III) at trace (μg L^-1) level using only 10 mL of sample solution (tap, lake, and mining water) and ore sample without interference by the matrixes. This methodol. is simple, fast, and low cost which can be used in routine anal. laboratories This study involved multiple reactions and reactants, such as N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3Category: chlorides-buliding-blocks).

N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3) belongs to organic chlorides. An organic chloride is an organic compound containing at least one covalently bonded atom of chlorine. Their wide structural variety and divergent chemical properties lead to a broad range of names and applications. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.Category: chlorides-buliding-blocks

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

Microwave-assisted synthesis and antifungal activity of coumarin[8,7-e][1,3]oxazine derivatives was written by Zhang, Ming-Zhi;Zhang, Rong-Rong;Yin, Wen-Zheng;Yu, Xiang;Zhang, Ya-Ling;Liu, Pin;Gu, Yu-Cheng;Zhang, Wei-Hua. And the article was included in Molecular Diversity in 2016.Name: 4-Chlororesorcinol The following contents are mentioned in the article:

The synthesis of novel coumarin[8,7-e][1,3]oxazine derivatives I (R = C₆H₅, 4-H₃CC₆H₄, 4-ClC₆H₄, CH₂C₆H₅; R¹ = H, Cl; R² = CH₃, C₆H₅, CF₃; R³ = H, Me) through a microwave-assisted three-component one-pot Mannich reaction have been described in this study. All the target compounds I were evaluated in vitro for their antifungal activity against Botrytis cinerea, Colletotrichum capsici, Alternaria solani, Gibberella zeae, Rhizoctonia solani, and Alternaria mali. The preliminary bioassays showed that I (R = C₆H₅, 4-ClC₆H₄; R¹ = Cl; R² = CH₃, CF₃; R³ = H, CH₃) exhibited good antifungal activity and the most active compound I (R = C₆H₅; R¹ = Cl; R² = CF₃; R³ = H) shows an EC₅₀ value as low as 2.1 nM against Botrytis cinerea. This study involved multiple reactions and reactants, such as 4-Chlororesorcinol (cas: 95-88-5Name: 4-Chlororesorcinol).

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. 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.Name: 4-Chlororesorcinol

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

Separation and adsorption of V(V) from canadium-containing solution by TOMAC-impregnated resins was written by Yu, Chen;Bao, Shenxu;Zhang, Yimin;Chen, Bo. And the article was included in Chemical Engineering Research and Design in 2021.Name: N-Methyl-N,N-dioctyloctan-1-aminium chloride The following contents are mentioned in the article:

Trioctyl Me ammonium chloride-impregnated resins (TOMAC-IRs) were synthesized and utilized to efficiently sep. and recover vanadium from acidic vanadium-containing solution, and the main factors affecting the adsorption properties of V(V) were studied. Under the optimal conditions, i.e., initial pH of 1.8, liquid-solid ratio (L/S) of 200:1 mL/g, impregnation ratio of 18.4%, initial vanadium concentration of 1500 mg/L, and adsorption time of 4 h, the adsorption capacity towards V(V) can reach 78.65 mg/g, and impurity ions (Al and Fe) can be hardly adsorbed. The adsorption of V(V) onto TOMAC-IRs conforms to the Langmuir isotherm adsorption model, indicating that V(V) is adsorbed as a monolayer on TOMAC-IRs. The pseudo-second order kinetic model fits better towards the adsorption processes of V(V), which shows that the adsorption process is dominated by chem. adsorption. The desorption and regeneration of the TOMAC-IRs can be accomplished in just one step using 6 mol/L NaOH; in the meanwhile, the adsorption capacity is 98.01% of the original value after six cycles, demonstrating that the TOMAC-IRs have good stability during the cyclic adsorption of V(V). This study involved multiple reactions and reactants, such as N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3Name: N-Methyl-N,N-dioctyloctan-1-aminium chloride).

N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3) belongs to organic chlorides. An organic chloride is an organic compound containing at least one covalently bonded atom of chlorine. Their wide structural variety and divergent chemical properties lead to a broad range of names and applications. Alkyl chlorides readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.Name: N-Methyl-N,N-dioctyloctan-1-aminium chloride

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

Seedless co-surfactant-based dimensional and optical tunability of gold nanorods with simultaneous pH regulation was written by Kaur, Parveer;Chudasama, Bhupendra. And the article was included in Journal of Materials Science in 2017.Electric Literature of C25H46ClN The following contents are mentioned in the article:

Intense electromagnetic fields generated by the gold nanorods (GNRs) owing to their strong plasmon resonance make them promising candidate for applications in cancer diagnostics, photothermal therapy, single-mol. detection, drug delivery, etc. Use of GNRs in these applications as plasmon resonance probes depends on the extent to which their plasmon resonance band can be tuned into NIR region. The authors propose a facile seedless approach to synthesize GNRs in a cetyltrimethyammonium bromide (CTAB)-benzyledimethylhexadecylammonium chloride (BDAC) co-surfactant system with simultaneous pH regulation that yields GNRs with tunable plasmon resonance in tissue transparent NIR region. The role of binary co-surfactants, pH of the growth solution, and influence of the volume of the reducing agent on GNRs growth has been studied. Under optimized conditions, the longitudinal plasmon resonance band of GNRs can be tuned from 780-1300 nm by regulating the pH of the growth solution from 2.5 to 1.3. The role of co-surfactants and pH in the regulation of dimensions and thus plasmonic properties of GNRs synthesized by single-step seedless approach has been evaluated. This study involved multiple reactions and reactants, such as N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9Electric Literature of C25H46ClN).

N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9) 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 readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.Electric Literature of C25H46ClN

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

Substitutional effects on the reactivity and thermal stability of dihydropyrimidinones was written by Adigun, Rasheed A.;Malan, Frederick P.;Balogun, Mohammed O.;October, Natasha. And the article was included in Journal of Molecular Structure in 2021.Application In Synthesis of Ethyl 4-chloro-3-oxobutanoate The following contents are mentioned in the article:

One of the advantages of dihydropyrimidinones (DHPMs) is the mol. diversity that could be achieved through their synthesis from a three-component reaction by varying the starting reaction materials. Differences in substituted functional groups could lead to varying reactivities and thermal stability amongst the analogs. In this study, two different classes of DHPMs were synthesized and the effects of the various substituents on the DHPM ring were investigated. The compounds were structurally characterized using single-crystal X-ray diffractometry, ¹H, ¹³C, COSY, HSQC and HMBC NMR techniques, FT-IR and High Resolution Mass Spectrometry (HRMS). N1 methylation of the DHPM was found to increase the thermal stability of the series of DHPMs investigated, which is an added advantage in thermal reactions. The nature of the alkyl substituent of the ester group at position 5 of the DHPM was also found to affect the ease of the nucleophilic substitution reaction during the functionalization of the DHPMs. A complementary DFT study aided in understanding the above results as well as to compare the general stability of the range of compounds This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3Application In Synthesis of Ethyl 4-chloro-3-oxobutanoate).

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. Alkyl chlorides readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.Application In Synthesis of Ethyl 4-chloro-3-oxobutanoate

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

Synthesis, Catalytic Activity and Comparative Leaching Studies of Calix[8]arene-Supported Pd-NHC Complexes for Suzuki-Miyaura Cross-Couplings was written by Abi Fayssal, Sandra;Naret, Timothee;Buendia, Julien;Labattut, Axel;Huc, Vincent;Martini, Cyril;Schulz, Emmanuelle. And the article was included in Advanced Synthesis & Catalysis in 2022.Category: chlorides-buliding-blocks The following contents are mentioned in the article:

A rapid and scalable synthesis of supported NHC-Pd(II)-pyridine complexes on a benzyloxycalix[8]arene macrocycle is reported. Their subsequent use in Suzuki-Miyaura benchmark reactions led to the optimization of the nature of the ligands around the metal center, delivering two very active precatalysts. They both promote the cross-coupling of challenging API precursors at low catalytic loadings, when used as insoluble species in EtOH as a green reaction solvent. Moreover, their activity has been shown to be comparable or even superior to that of more conventional homogeneous catalysts. Of main importance, a simple filtration of the insoluble supported catalysts after reaction afforded the lowest Pd contamination values in the target products, in some cases directly approaching the levels authorized by the industrial regulations. Offering furthermore the possibility of easy palladium recovery in the current context of its overconsumption, we are convinced that these calixarene-supported NHC-PEPPSI Pd complexes are valuable tools for the fine chem. industry, to prepare metal-free functionalized biaryl compounds in high yields, ranging from 76 to 94%. This study involved multiple reactions and reactants, such as 1-Bromo-6-chlorohexane (cas: 6294-17-3Category: chlorides-buliding-blocks).

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. 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.Category: chlorides-buliding-blocks

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

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

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

A lead-free K₂CuBr₃ microwires-based humidity sensor realized via QCM for real-time breath monitoring was written by Chang, Qijie;Wu, Daofu;Huang, Yanyi;Liang, Chengyao;Liu, Libo;Liu, Huanbin;He, Yong;Huang, Qiang;Qiu, Jing;Tang, Xiaosheng. And the article was included in Sensors and Actuators, B: Chemical in 2022.Formula: ClLi The following contents are mentioned in the article:

Halide perovskites have recently emerged as potential humidity-detection materials due to their excellent chem. and phys. properties. However, the toxicity of Pb and environmental instability of the lead halide perovskites restrict the application in humidity detection. Herein, a lead-free K₂CuBr₃ microwires-based quartz crystal microbalance (QCM) humidity sensor was investigated, and the application in human respiratory monitoring was developed. Coupling the high humidity sensitivity of K₂CuBr₃ with the high mass change sensitivity of QCM, the lead-free K₂CuBr₃ coated QCM humidity sensor exhibited excellent logarithmic linearity response (R2 = 0.98626, 11-95% RH). In addition, the sensor demonstrated excellent repeatability, fast response/recover time (10.63 s/4.31 s), and considerable stability. Moreover, the Fourier transform IR spectra (FTIR) and Langmuir adsorption model were applied to reveal the corresponding humidity sensing mechanism. The results indicate the lead-free K₂CuBr₃-based QCM sensor reported in this work could be a promising candidate for real-time breath monitoring. This study involved multiple reactions and reactants, such as Lithium chloride (cas: 7447-41-8Formula: 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. 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.Formula: ClLi

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