Tag: 100-200

Effects of N-, P-, or O-containing ligands on gold-based complex catalysts for acetylene hydrochlorination was written by Li, Yanqin;Zhang, Chuanming;Zhang, Haiyang;Li, Linfeng;Zhang, Jinli;Oh, Rena;Yao, Lisha;Cai, Ming;Li, Jian;Zhang, Miaomiao;Li, Feng. And the article was included in Applied Catalysis, A: General in 2021.Synthetic Route of C4H12ClN The following contents are mentioned in the article:

In line with the fulfillment of international Minamata Convention and the urgent need for developing non-mercury catalysts, Au-Lx/AC catalysts were synthesized and evaluated for the hydrochlorination of acetylene. The results showed that the interaction between ligands and Au species contributed to the enhanced catalytic activity with important and different roles of each ligand. Depending on the high electronegativity of heteroatoms, all the prepared catalysts had effectively improved their adsorption and activation capacity of hydrogen chloride. Specifically, the N-containing ligands in catalysts increased the dispersion of Au species and an enhanced adsorption of acetylene was observed While, the coordination of P-containing ligands with Au can increase the relative content of active Aun+ species and the O-containing ligands rather decreased the adsorption of acetylene. Furthermore, all the prepared Au-Lx/AC catalysts showed good stabilities based on the inhibition of the agglomeration of Au components or of coking deposition. This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0Synthetic Route 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. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.Synthetic Route of C4H12ClN

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

Synthesis and evaluation of RNase L-binding 2-aminothiophenes as anticancer agents was written by Hwang, Jimin;Qiu, Xiaqiu;Borgelt, Lydia;Haacke, Neele;Kanis, Laurin;Petroulia, Stavroula;Gasper, Raphael;Schiller, Damian;Lampe, Philipp;Sievers, Sonja;Imig, Jochen;Wu, Peng. And the article was included in Bioorganic & Medicinal Chemistry in 2022.Category: chlorides-buliding-blocks The following contents are mentioned in the article:

Aminothiophene is a scaffold that is widely present in drugs and biol. active small mols. as chem. probes. In this study, 43 compounds sharing a 2-aminothiophenone-3-carboxylate (ATPC) scaffold, known to activate the RNase L (RNase L), were synthesized and selected ATPCs showed enhancement of thermal stability of RNase L upon binding. Screening of antiproliferation activities against human cancer cell lines revealed that ATPCs represented by compounds 4l and 50 showed potent single-digit micromolar antiproliferation activity against human cancer cell lines. Compounds 4l and 50 exhibited time- and dose-dependent proliferation inhibition, induced cellular apoptosis measured by cleaved PARP and via flow cytometry, inhibited cell migration, and inhibited cell colony formation. Combining the results reported in this work, ATPCs were evaluated as potential anticancer agents mediated by RNase L-binding and apoptosis induction. The work contributes to the study on the polypharmacol. properties of aminothiophene-containing small mols. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3Category: chlorides-buliding-blocks).

Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3) 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.Category: chlorides-buliding-blocks

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

A high capacity aqueous zinc-based chlorine ion battery improved by zinc selenide-modified anode was written by Fang, Ziren;Li, Mingqiang;Zhao, Hu;Wang, Lixiang;Duan, Xinping. And the article was included in Inorganic Chemistry Communications in 2021.Product Details of 75-57-0 The following contents are mentioned in the article:

Chloride ion battery (CIB) is a novel anionic battery first reported in 2013. The high open circuit voltage and high theor. capacity have attracted wide attention. However, its low cycle life imposes restrictions on its application. Since the electrochem. performance of zinc anode in chloride ion batteries is different from zinc ion batteries, we attempted to modify the zinc anode with kinds of strategies or addictives to match the zinc electrode with the zinc-free electrolyte and finally found the pos. influence of ZnSe. The zinc selenide-modified anode improved the capacity to 177.4mAh g^-1 and expanded the cycle life to 2500 times. Besides, our work may also have reference significance for other zinc based batteries. The mechanism of anode was analyzed using X-ray diffraction (XRD), XPS as well as high-definition SEM (HD SEM) and simulated by adsorption models. The electrochem. performance of the anode was tested by cyclic voltammetry (CV) and the full cell was test on BTS4000 battery program-control test system. This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0Product Details 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.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.Product Details of 75-57-0

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

Molecular Mechanism of Acceleration and Retardation of Collective Orientation Relaxation of Water Molecules in Aqueous Solutions was written by Moritsugu, Norifumi;Nara, Takafumi;Koda, Shin-ichi;Tominaga, Keisuke;Saito, Shinji. And the article was included in Journal of Physical Chemistry B in 2020.Product Details of 75-57-0 The following contents are mentioned in the article:

The collective orientation relaxation (COR) of water mols. in aqueous solutions is faster or slower with an increase in the concentration of the solutions than that in pure water; for example, acceleration (deceleration) of the COR is observed in a solution of sodium chloride (tetramethylammonium chloride) with increasing concentration However, the mol. mechanism of the solution and concentration dependence of the relaxation time of the COR has not yet been clarified. We theor. investigate the concentration dependence of the COR of water mols. in solutions of tetramethylammonium chloride (TMACl), guanidinium chloride (GdmCl), and sodium chloride (NaCl). Based on the Mori-Zwanzig equation, we identify two opposing factors that determine the COR of water mols. in any aqueous solution: the correlation of dipole moments and the single-mol. orientation relaxation. We reveal the mol. mechanism of the concentration dependence of the relaxation time of the COR in the TMACl, GdmCl, and NaCl solutions in terms of these two factors. This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0Product Details 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. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.Product Details of 75-57-0

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

Membrane-Anchoring Photosensitizer with Aggregation-Induced Emission Characteristics for Combating Multidrug-Resistant Bacteria was written by Chen, Huan;Li, Shengliang;Wu, Min;Kenry;Huang, Zhongming;Lee, Chun-Sing;Liu, Bin. And the article was included in Angewandte Chemie, International Edition in 2020.COA of Formula: C6H12BrCl The following contents are mentioned in the article:

Traditional photosensitizers (PSs) show reduced singlet oxygen (¹O₂) production and quenched fluorescence upon aggregation in aqueous media, which greatly affect their efficiency in photodynamic therapy (PDT). Meanwhile, non-targeting PSs generally yield low efficiency in antibacterial performance due to their short lifetimes and small effective working radii. Herein, a water-dispersible membrane anchor (TBD-anchor) PS with aggregation-induced emission is designed and synthesized to generate ¹O₂ on the bacterial membrane. TBD-anchor showed efficient antibacterial performance towards both Gram-neg. (Escherichia coli) and Gram-pos. bacteria (Staphylococcus aureus). Over 99.8% killing efficiency was obtained for methicillin-resistant S. aureus (MRSA) when they were exposed to 0.8μm of TBD-anchor at a low white light dose (25 mW cm^-2) for 10 min. TBD-anchor thus shows great promise as an effective antimicrobial agent to combat the menace of multidrug-resistant bacteria. This study involved multiple reactions and reactants, such as 1-Bromo-6-chlorohexane (cas: 6294-17-3COA of Formula: C6H12BrCl).

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

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

Optimization of P2Y₁₂ Antagonist Ethyl 6-(4-((Benzylsulfonyl)carbamoyl)piperidin-1-yl)-5-cyano-2-methylnicotinate (AZD1283) Led to the Discovery of an Oral Antiplatelet Agent with Improved Druglike Properties was written by Kong, Deyu;Xue, Tao;Guo, Bin;Cheng, Jianjun;Liu, Shunyin;Wei, Jianhai;Lu, Zhengyu;Liu, Haoran;Gong, Guoqing;Lan, Tian;Hu, Wenhao;Yang, Yushe. And the article was included in Journal of Medicinal Chemistry in 2019.Application of 638-07-3 The following contents are mentioned in the article:

P2Y₁₂ antagonists are widely used as antiplatelet agents for the prevention and treatment of arterial thrombosis. Based on the scaffold of a known P2Y₁₂ antagonist AZD1283 (I), a series of novel bicyclic pyridine derivatives were designed and synthesized. The cyclization of the ester substituent on the pyridine ring to the ortho-Me group led to lactone analogs of AZD1283 that showed significantly enhanced metabolic stability in subsequent structure-pharmacokinetic relationship studies. The metabolic stability was further enhanced by adding a 4-Me substituent to the piperidinyl moiety. Compound II displayed potent inhibition of platelet aggregation in vitro as well as antithrombotic efficacy in a rat ferric chloride model. Moreover, II showed a safety profile that was superior to what was observed for clopidogrel in a rat tail-bleeding model. These results support the further evaluation of compound II as a promising drug candidate. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3Application of 638-07-3).

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. 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 638-07-3

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

A New Discovery towards Novel Skeleton of Benzimidazole-Conjugated Pyrimidinones as Unique Effective Antibacterial Agents was written by Yang, Xi;Syed, Rasheed;Fang, Bo;Zhou, Cheng-He. And the article was included in Chinese Journal of Chemistry in 2022.Safety of Ethyl 4-chloro-3-oxobutanoate The following contents are mentioned in the article:

A class of new potential antibacterial agents with distinctive pyrimidinone benzimidazole skeleton was developed through nucleophilic substitution and Biginelli reaction starting from urea, Et 4-chloroacetoacetate and various aldehydes. Some target mols. exhibited strong antibacterial activities, especially pyrimidinone benzimidazole hybrid 9e possessed the strongest inhibitory effects on the growth of E. faecalis and P. aeruginosa with a lower MIC value of 1 μg/mL than norfloxacin. Moreover, compound 9e displayed strong antibiofilm capacity, low drug resistance and excellent biosafety toward human red blood cells. Further research revealed that compound 9e could disrupt membrane integrity and cause leakage of cellular components such as proteins and nucleic acids. Meanwhile, compound 9e could decrease lactate dehydrogenase activity, block cell metabolism and interact with DNA in an intercalation manner. ADMET anal. predicated that mol. 9e possessed promising pharmacokinetic properties and good bioavailability profile. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3Safety of Ethyl 4-chloro-3-oxobutanoate).

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. 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 Ethyl 4-chloro-3-oxobutanoate

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

Small Molecule Binding Sites on the Ras:SOS Complex Can Be Exploited for Inhibition of Ras Activation was written by Winter, Jon J. G.;Anderson, Malcolm;Blades, Kevin;Brassington, Claire;Breeze, Alexander L.;Chresta, Christine;Embrey, Kevin;Fairley, Gary;Faulder, Paul;Finlay, M. Raymond V.;Kettle, Jason G.;Nowak, Thorsten;Overman, Ross;Patel, S. Joe;Perkins, Paula;Spadola, Loredana;Tart, Jonathan;Tucker, Julie A.;Wrigley, Gail. And the article was included in Journal of Medicinal Chemistry in 2015.Application of 957120-53-5 The following contents are mentioned in the article:

Constitutively active mutant KRas displays a reduced rate of GTP hydrolysis via both intrinsic and GTPase-activating protein-catalyzed mechanisms, resulting in the perpetual activation of Ras pathways. We describe a fragment screening campaign using X-ray crystallog. that led to the discovery of three fragment binding sites on the Ras:SOS complex. The identification of tool compounds binding at each of these sites allowed exploration of two new approaches to Ras pathway inhibition by stabilizing or covalently modifying the Ras:SOS complex to prevent the reloading of Ras with GTP. Initially, we identified ligands that bound reversibly to the Ras:SOS complex in two distinct sites, but these compounds were not sufficiently potent inhibitors to validate our stabilization hypothesis. We conclude by demonstrating that covalent modification of Cys118 on Ras leads to a novel mechanism of inhibition of the SOS-mediated interaction between Ras and Raf and is effective at inhibiting the exchange of labeled GDP in both mutant (G12C and G12V) and wild type Ras. This study involved multiple reactions and reactants, such as (3-Carbamoyl-5-chlorophenyl)boronic acid (cas: 957120-53-5Application of 957120-53-5).

(3-Carbamoyl-5-chlorophenyl)boronic acid (cas: 957120-53-5) belongs to organic chlorides. Organic chlorides can be used in production of: PVC, pesticides, chloromethane, teflon, insulators. 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.Application of 957120-53-5

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

Synthesis of substituted tetrahydropyrimidin-2-ones through nucleophilic cyclization/electrophilic substitution of 1-(3,3-diethoxypropyl)urea with C-nucleophiles was written by Smolobochkin, Andrey V.;Gazizov, Almir S.;Yakhshilikova, Lola J.;Sidlyaruk, Nikita A.;Khamatgalimov, Airat R.;Burilov, Alexander R.;Pudovik, Michail A.. And the article was included in Tetrahedron in 2022.Computed Properties of C6H5ClO2 The following contents are mentioned in the article:

In this article, a regioselective method for the synthesis of new water-soluble 1,3,4-trisubstituted tetrahydropyrimidin-2(1H)-one derivatives I [R = Ph, 3-MeC₆H₄, 4-MeOC₆H₄, etc.; R¹ = 2,4-di-OH-5-ClC₆H₂, 6-hydroxy-1,3-benzodioxol-5-yl, 3-carboxy-2,6-dihydroxy-Ph, 4-hydroxy-6-methyl-2-oxo-pyran-3-yl] containing sodium methanesulfonate fragment in the first position of the heterocycle was reported. The method was based on the reaction of (1-(3,3-diethoxypropyl)ureido)methanesulfonates (EtO)₂CH(CH₂)₂N(CH₂SO₃Na)CONHR [R = Ph, 3-MeC₆H₄, 4-MeOC₆H₄, etc.] with aromatic and heterocyclic nucleophiles. The proposed method was distinguished by the possibility of obtaining a wide range of water-soluble substituted tetrahydropyrimidinones I, the absence of the need to use expensive metal complex catalysts, high product yield, and ease of purification 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. 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).Computed Properties of C6H5ClO2

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

Identification of Mineralocorticoid Receptor Modulators with Low Impact on Electrolyte Homeostasis but Maintained Organ Protection was written by Granberg, Kenneth L.;Yuan, Zhong-Qing;Lindmark, Bo;Edman, Karl;Kajanus, Johan;Hogner, Anders;Malmgren, Marcus;OMahony, Gavin;Nordqvist, Anneli;Lindberg, Jan;Taangefjord, Stefan;Kossenjans, Michael;Loefberg, Christian;Braanalt, Jonas;Liu, Dongmei;Selmi, Nidhal;Nikitidis, Grigorios;Nordberg, Peter;Hayen, Ahlke;Aagaard, Anna;Hansson, Eva;Hermansson, Majlis;Ivarsson, Ida;Jansson-Loefmark, Rasmus;Karlsson, Ulla;Johansson, Ulrika;William-Olsson, Lena;Hartleib-Geschwindner, Judith;Bamberg, Krister. And the article was included in Journal of Medicinal Chemistry in 2019.HPLC of Formula: 638-07-3 The following contents are mentioned in the article:

The mechanism-based risk for hyperkalemia has limited the use of mineralocorticoid receptor antagonists (MRAs) like eplerenone in cardio-renal diseases. Here the authors describe the structure and property driven lead generation and optimization, which resulted in identification of MR modulators (S)-1 and (S)-33. Both compounds were partial MRAs but still demonstrated equally efficacious organ protection as eplerenone after four weeks treatment in uninephrectomized rats on high salt diet and aldosterone infusion. Importantly, and in sharp contrast to eplerenone, this was achieved without substantial changes to the urine Na⁺/K⁺ ratio after acute treatment in rat, which predicts a reduced risk for hyperkalemia. This work led to selection of (S)-1 (AZD9977) as the clin. candidate for treating MR-mediated cardio-renal diseases including CKD and HF. Based on the authors’ findings the authors propose an empirical model for prediction of compounds with low risk of affecting the urinary Na⁺/K⁺ ratio in vivo. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3HPLC of Formula: 638-07-3).

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

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