Month: November 2022

Contribution of Molecular Dynamics in pNMR for the Structural Determination of An^V and An^VI Complexes in Solution was written by Poulin-Ponnelle, Clovis;Duvail, Magali;Dumas, Thomas;Berthon, Claude. And the article was included in Inorganic Chemistry in 2022.COA of Formula: C4H12ClN The following contents are mentioned in the article:

In this study, we propose to use classical mol. dynamics (MD) coupled with ¹H NMR spectroscopy to study the conformations of different actinyl An^VI (An = U, Np, and Pu) and An^V (An = Np) complexes with tetra-Et dyglicolamide (TEDGA) ligands in order to have a better representation of such complexes in solution Mol. dynamics simulations showed its effectiveness in interpreting the experiments by the calculation of geometric factors needed for the determination of magnetic properties of these complexes. We demonstrated that different conformations of the An^V and An^VI complexes with TEDGA exist in solution with different coordination modes, which is exptl. confirmed by ¹H NMR and EXAFS spectroscopies. Furthermore, MD simulations provide addnl. insights into the structures of complexes in solution since conformations with fast exchanges, which are not accessible from NMR experiments, have been observed by MD simulations. This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0COA of Formula: C4H12ClN).

Tetramethylammonium chloride (cas: 75-57-0) 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 readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.COA of Formula: C4H12ClN

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

Solubility of Calcium Oxalate Monohydrate in Concentrated Electrolyte Solutions was written by Konigsberger, Erich;Tromans, Andrew;May, Peter M.;Hefter, Glenn. And the article was included in Journal of Chemical & Engineering Data in 2021.Quality Control of Tetramethylammonium chloride The following contents are mentioned in the article:

The solubility of solid calcium oxalate monohydrate (CaC₂O₄·H₂O, COM) has been measured in aqueous solutions of four 1:1 electrolytes (NaCl, KCl, CsCl, and Me₄NCl) at temperatures T = 298.15, 323.15, and 343.15 K. Solubilities at industrially relevant electrolyte concentrations of up to 5.0 mol·kg^-1 were determined by at. absorption spectrophotometry of the dissolved calcium ions. The solubility of COM in 1.0 mol·kg^-1 electrolyte solutions was 2-4 times higher than in pure water but varied little at higher ionic strengths for all of the systems studied. Most of the observed solubilities were well correlated at all temperatures and electrolyte concentrations using a simple Specific Ion-interaction Theory (SIT) model with only one adjustable, temperature-independent, interaction parameter. For Me₄NCl solutions, an addnl. empirical ionic strength dependence of the SIT parameter significantly improved the fit. This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0Quality Control of Tetramethylammonium chloride).

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

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

Cellulose extraction from methyltrioctylammonium chloride pretreated sugarcane bagasse and its application was written by Ejaz, Uroosa;Muhammad, Shoaib;Ali, Firdous Imran;Hashmi, Imran Ali;Sohail, Muhammad. And the article was included in International Journal of Biological Macromolecules in 2020.SDS of cas: 5137-55-3 The following contents are mentioned in the article:

Cellulose, the most abundant feedstock of chems. and energy is extracted from various agro-industrial wastes, such as sugarcane bagasse (SB). Pretreatment of SB with ionic liquids improves extraction of cellulose, yet the use of ionic liquid is hindered by its high cost. In this study, cellulose was extracted from SB pretreated with methyltrioctylammonium chloride under relatively mild conditions. The extracted cellulose from pretreated SB (PTB) and untreated SB (UTB) was characterized by SEM and FTIR. Fermentation of cellulose extracted from PTB by a thermophilic bacterium, Bacillus aestuarii UE25, yielded 245.16% higher titers of cellulase than cellulose extracted from UTB. The recyclability of the IL was assessed to make the pretreatment process cost effective and was monitored through TLC and FTIR. The results of this research demonstrated the potential of ionic liquid pretreated SB for cellulose extraction and for its subsequent utilization in thermostable cellulase production This study involved multiple reactions and reactants, such as N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3SDS of cas: 5137-55-3).

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.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.SDS of cas: 5137-55-3

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

Discovery of the Biginelli hybrids as novel caspase-9 activators in apoptotic machines: Lipophilicity, molecular docking study, influence on angiogenesis gene and miR-21 expression levels was written by Jankovic, Nenad;Trifunovic Ristovski, Jovana;Vranes, Milan;Tot, Aleksandar;Petronijevic, Jelena;Joksimovic, Nenad;Stanojkovic, Tatjana;Djordjic Crnogorac, Marija;Petrovic, Nina;Boljevic, Ivana;Matic, Ivana Z.;Bogdanovic, Goran A.;Mikov, Momir;Bugarcic, Zorica. And the article was included in Bioorganic Chemistry in 2019.Recommanded Product: Ethyl 4-chloro-3-oxobutanoate The following contents are mentioned in the article:

In order to investigate potential therapeutically agents, novel products of Biginelli reaction (4a-l) were synthesized and exposed to cytotoxic and caspase activities, angiogenesis, cell cycle distribution, gene and microRNA expression levels, lipophilicity assessment and docking study. Among the twelve novel compounds (4a-l) evaluated for the cytotoxic activity, five of them (4c, 4d, 4f, 4k and 4l) that showed excellent activity on the tested cell lines (HeLa, LS174 and A549) were selected for further evaluation. Interestingly, compound 4f has up to three times higher selectivity index (SI) towards cancer cells than cisplatin (on HeLa, LS174 and A549 SI = 18.2, 13.5 and 11.2, resp.). The obtained results from cell cycle distribution and caspase activity indicate that tested compounds (4c, 4d, 4f, 4k and 4l) promoted caspase-9 activation, implicated in the intrinsic pathway of apoptosis. Lipophilicity of 4a-l was determinate by using reversed-phase high-performance liquid chromatog. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3Recommanded Product: Ethyl 4-chloro-3-oxobutanoate).

Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3) 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. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.Recommanded Product: Ethyl 4-chloro-3-oxobutanoate

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

Prediction of aquatic toxicity of benzene derivatives using molecular descriptor from atomic weighted vectors was written by Martinez-Lopez, Yoan;Barigye, Stephen J.;Martinez-Santiago, Oscar;Marrero-Ponce, Yovani;Green, James;Castillo-Garit, Juan A.. And the article was included in Environmental Toxicology and Pharmacology in 2017.Computed Properties of C6H5ClO2 The following contents are mentioned in the article:

Several descriptors from atom weighted vectors are used in the prediction of aquatic toxicity of set of organic compounds of 392 benzene derivatives to the protozoo ciliate Tetrahymena pyriformis (log(IGC50)^-1). These descriptors are calculated using the MD-LOVIs software and various Aggregation Operators are examined with the aim comparing their performances in predicting aquatic toxicity. Variability anal. is used to quantify the information content of these mol. descriptors by an information theory-based algorithm. Multiple Linear Regression with Genetic Algorithms is used to obtain models of the structure-toxicity relationships; the best model shows values of Q² = 0.830 and R² = 0.837 using six variables. The authors’ models compare favorably with other previously published models that use the same data set. The obtained results suggest that these descriptors provide an effective alternative for determining aquatic toxicity of benzene derivatives This study involved multiple reactions and reactants, such as 4-Chlororesorcinol (cas: 95-88-5Computed Properties of C6H5ClO2).

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.Computed Properties of C6H5ClO2

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

Dual Passivation of SnO₂ by Tetramethylammonium Chloride for High-Performance CsPbI₂Br-Based Inorganic Perovskite Solar Cells was written by Parida, Bhaskar;Jin, In Su;Jung, Jae Woong. And the article was included in Chemistry of Materials in 2021.SDS of cas: 75-57-0 The following contents are mentioned in the article:

Here, the modification of the SnO₂ electron transport layer (ETL) by tetramethylammonium chloride (TMACl) is described. The theor. and exptl. studies in this work demonstrate that TMA and Cl ions complementarily passivate the oxygen vacancies on the surface of SnO₂ ETL, while TMACl passivation also contributes to increase the conduction band edge of SnO₂ by reducing the work function. As a result, the charge carrier recombination and electron transfer/extraction behaviors at the interface of CsPbI₂Br and SnO₂ ETL are significantly improved, leading to inorganic perovskite solar cells with efficiencies of up to 13.84% and 28.68% under 1-sun illumination and indoor lighting, resp. TMACl-passivated SnO₂ also boosts the operative stability of the device under humidity and thermal stress, which reveals the potential of TMACl as a promising passivation agent of SnO₂ for high-performance perovskite optoelectronics. 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 be used in production of: PVC, pesticides, chloromethane, teflon, insulators. 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.SDS of cas: 75-57-0

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

Structural optimization of aminopyrimidine-based CXCR4 antagonists was written by Zhu, Fang;Wang, Yujie;Du, Qian;Ge, Wenxiang;Li, Zhanhui;Wang, Xu;Fu, Chunyan;Luo, Lusong;Tian, Sheng;Ma, Haikuo;Zheng, Jiyue;Zhang, Yi;Sun, Xiaotian;He, Sudan;Zhang, Xiaohu. And the article was included in European Journal of Medicinal Chemistry in 2020.SDS of cas: 638-07-3 The following contents are mentioned in the article:

Structural optimization of aminopyrimidine-based CXCR4 antagonists is reported. The optimization is guided by mol. docking studies based on available CXCR4-small mol. crystal complex. The optimization identifies a number of compounds with improved receptor binding affinity and functional activity exemplified by compound 23 (inhibition of APC-conjugate clone 12G5 for CXCR4 binding in a cell based assay: IC₅₀ = 8.8 nM; inhibition of CXCL12 induced cytosolic calcium increase: IC₅₀ = 0.02 nM). In addition, compound 23 potently inhibits CXCR4/CXLC12 mediated chemotaxis in a matrigel invasion assay. Furthermore, compound 23 exhibits good physicochem. properties (MW 367, clogP 2.1, PSA 48, pKa 7.2) and in vitro safety profiles (marginal/moderate inhibition of CYP isoenzymes and hERG). These results represent significant improvement over the initial hit from scaffold hybridization and suggest that compound 23 can be used as a starting point to support lead optimization. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3SDS of cas: 638-07-3).

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. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.SDS of cas: 638-07-3

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

Unique catanionic vesicles as a potential “Nano-Taxi” for drug delivery systems. In vitro and in vivo biocompatibility evaluation was written by Stagnoli, Soledad;Luna, M. Alejandra;Villa, Cristian C.;Alustiza, Fabrisio;Niebylski, Ana;Moyano, Fernando;Correa, N. Mariano;Falcone, R. Dario. And the article was included in RSC Advances in 2017.Recommanded Product: N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride The following contents are mentioned in the article:

We evaluate in vitro and in vivo toxicity and stability in an acidic environment of new vesicles formed by the catanionic surfactant bis(2-ethylhexyl) sulfosuccinate benzyl-n-hexadecyldimethylammonium (AOT-BHD) in order to investigate their potential application as an oral drug delivery system. Unilamellar vesicles were spontaneously formed by dissolving AOT-BHD in water and their toxicity was evaluated through in vitro and in vivo assays. Cell membrane permeability assays (hemolytic activity, Trypan blue assay) and cellular survival or proliferation (MTT assay) were performed. The results showed that only the highest concentration of vesicles tested (2 mg mL^-1) diminished the red blood cells′ resistance. In vivo toxicity evaluation was carried out on mice through LD 50 (LD₅₀) experiments The safety for living organisms in doses lower than 0.05 mg mL^-1 and the acid pH stability makes our AOT-BHD vesicles a very promising candidate for oral drug delivery. This study involved multiple reactions and reactants, such as N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9Recommanded Product: N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride).

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

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

Characterization of human S-adenosyl-homocysteine hydrolase in vitro and identification of its potential inhibitors was written by Hao, Weiwei;Li, Yanhua;Shan, Qiuli;Han, Tian;Li, Wencheng;He, Sheng;Zhu, Kongkai;Li, Yumei;Tan, Xiaojun;Gu, Jinsong. And the article was included in Journal of Enzyme Inhibition and Medicinal Chemistry in 2017.SDS of cas: 95-88-5 The following contents are mentioned in the article:

Human S-adenosyl-homocysteine hydrolase (SAHH, E.C.3.3.1.1) has been considered to be an attractive target for the design of medicines to treat human disease, because of its important role in regulating biol. methylation reactions to catalyze the reversible hydrolysis of S-adenosylhomocysteine (SAH) to adenosine (Ado) and L-homocysteine (Hcy). In this study, SAHH protein was successfully cloned and purified with optimized, Pichia pastoris (P. pastoris) expression system. The biol. activity results revealed that, among the tested compounds screened by ChemMapper and SciFinder Scholar, 4-(3-hydroxyprop-1-en-1-yl)-2-methoxyphenol (coniferyl alc., CAS: 458-35-5, ZINC: 12359045) exhibited the highest inhibition against rSAHH (IC₅₀= 34 nM). Mol. docking studies showed that coniferyl alc. was well docked into the active cavity of SAHH. And several H-bonds formed between them, which stabilized coniferyl alc. in the active site of rSAHH with a proper conformation. This study involved multiple reactions and reactants, such as 4-Chlororesorcinol (cas: 95-88-5SDS of cas: 95-88-5).

4-Chlororesorcinol (cas: 95-88-5) 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. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.SDS of cas: 95-88-5

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

Nickel-Catalyzed Asymmetric Domino Ring Opening/Cross-Coupling Reaction of Cyclobutanones via a Reductive Strategy was written by Ding, Decai;Dong, Haiyan;Wang, Chuan. And the article was included in iScience in 2020.Computed Properties of C6H12BrCl The following contents are mentioned in the article:

The successful application of reductive strategy in the asym. domino ring opening/cross-coupling reaction of prochiral cyclobutanones I (R = Me, Et, n-Pr; R¹ = H, Me, F, etc.; R² = H, Me, OCH₃) was demonstrated. Under the catalysis of a chiral nickel complex, various aryl iodide-tethered cyclobutanones I were reacted with alkyl bromides R³Br (R³ = 2-methoxyethyl, cyclopentyl, oxan-4-yl, etc.) as the electrophilic coupling partner, providing a variety of chiral indanones II bearing a quaternary stereogenic center in highly enantioselective manner, which can be further converted to diverse benzene-fused cyclic compounds including III, IV, V (X = O, NH). The preliminary mechanistic investigations support a mechanism involving Ni(I)-mediated enantiotopic C-C σ-bond activation of cyclobutanones as key elementary step in the catalytic cycle. This study involved multiple reactions and reactants, such as 1-Bromo-6-chlorohexane (cas: 6294-17-3Computed Properties of C6H12BrCl).

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

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