Tag: 100-200

Ubiquitous Presence of Intermolecular CH…O Hydrogen Bonds in As-synthesized Host-Guest Zeolite Materials was written by Al-Nahari, Shadi;Ata, Karima;Mineva, Tzonka;Alonso, Bruno. And the article was included in ChemistrySelect in 2021.Product Details of 75-57-0 The following contents are mentioned in the article:

CH···O hydrogen bonds (HBs) are ubiquituous in silica zeolite crystals hosting cationic Organic Structure Directing agents (OSDAs). This new finding is notably supported by a correlation between exptl. C-O distances and COSi angles’ distributions of two series of 19 and 11 available structures. The correlation enables to asses the directionality of the CH… O intermol. interactions and to extrapolate a geometrical model for the hydrogen bonded moeities. DFT-D3 calculations on representative structures further confirmed the presence of these HBs and their geometry on the basis of H-O distances, CHO angles and electron d. The reported insights demonstrate also the particularities of these intermol. interactions in terms of charge distribution and electrostatic potentials. Further, multiple hydrogen bonding is evidenced between OSDAs and zeolites’ channels and cages, opening new perspectives in the study of zeolite-OSDA host-guest interactions. 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. 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.Product Details of 75-57-0

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

Piperazine-Based Functional Materials as Draw Solutes for Desalination via Forward Osmosis was written by Wu, Yanhuang;Zhang, Wenhua;Ge, Qingchun. And the article was included in ACS Sustainable Chemistry & Engineering in 2018.Computed Properties of C2H6ClNaO4S The following contents are mentioned in the article:

The advancement of forward osmosis (FO) technol. can be promoted greatly with appropriate draw solutes. In this study, a series of piperazine-based ionized functional materials (PIFMs) with three-dimensional configurations are designed for FO desalination. All PIFMs produce high FO water fluxes with negligible reverse solute diffusion in which 1,4-piperazinediethanesulfonic acid disodium salt (P-2SO₃-2Na) at 1.0 M generates a water flux up to 76.4 LMH against the feed of DI water. With saline water (0.1-3.5 wt % NaCl) as the feed, P-2SO₃-2Na produces water fluxes of 11.3-35.0 LMH, sufficient for handling a large quantity of saline water. In FO seawater desalination P-2SO₃-2Na produces a water flux 25-77% higher than recently proposed synthetic draw solutes. The characteristics of abundant ionic groups coupled with a three-dimensional configuration account for the good FO performance of PIFMs draw solutes. This study involved multiple reactions and reactants, such as Sodium 2-chloroethanesulfonate hydrate (cas: 1089719-72-1Computed Properties of C2H6ClNaO4S).

Sodium 2-chloroethanesulfonate hydrate (cas: 1089719-72-1) belongs to organic chlorides. Organic chlorides can be used in production of: PVC, pesticides, chloromethane, teflon, insulators. 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 C2H6ClNaO4S

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

Synthesis and Biological Evaluation of the Southern Hemisphere of Spirastrellolide A and Analogues was written by Manda, Jagadeesh Nagendra;Butler, Barry B. Jr;Aponick, Aaron. And the article was included in Journal of Organic Chemistry in 2020.Computed Properties of C6H9ClO3 The following contents are mentioned in the article:

The synthesis and biol. evaluation of truncated spirastrellolide A analogs comprised of the southern hemisphere against protein phosphatase 2A are described. A convergent synthesis was designed featuring two gold-catalyzed cyclization reactions, specifically, a dehydrative cyclization of monoallylic diols for the synthesis of the tetrahydropyran (A-ring) and a regioselective spiroketalization for the efficient generation of the [6,6]-spiroketal (B, C-ring system). The synthesis of the southern hemisphere of spirastrellolide A was achieved involving the longest linear sequence of 19 steps. A total of eight spirastrellolide A analogs were synthesized, and preliminary PP2A enzyme assay inhibition studies were performed for the first time on analogs of the southern hemisphere. Several analogs showed inhibition, which is a pos. indication and perhaps suggests that the unsaturated spiroketal fragment might be crucial to induce PP2A inhibition. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3Computed Properties of C6H9ClO3).

Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3) 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. 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 C6H9ClO3

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

Modular PROTAC Design for the Degradation of Oncogenic BCR-ABL was written by Lai, Ashton C.;Toure, Momar;Hellerschmied, Doris;Salami, Jemilat;Jaime-Figueroa, Saul;Ko, Eunhwa;Hines, John;Crews, Craig M.. And the article was included in Angewandte Chemie, International Edition in 2016.Application In Synthesis of 1-Bromo-6-chlorohexane The following contents are mentioned in the article:

Proteolysis Targeting Chimera (PROTAC) technol. is a rapidly emerging alternative therapeutic strategy with the potential to address many of the challenges currently faced in modern drug development programs. PROTAC technol. employs small mols. that recruit target proteins for ubiquitination and removal by the proteasome. The synthesis of PROTAC compounds that mediate the degradation of c-ABL and BCR-ABL by recruiting either Cereblon or Von Hippel Lindau E3 ligases is reported. During the course of their development, the authors discovered that the capacity of a PROTAC to induce degradation involves more than just target binding: the identity of the inhibitor warhead and the recruited E3 ligase largely determine the degradation profiles of the compounds; thus, as a starting point for PROTAC development, both the target ligand and the recruited E3 ligase should be varied to rapidly generate a PROTAC with the desired degradation profile. 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 stimulate the central nervous system and cause convulsions, tremor, nausea, and mental confusion. Examples are dichlorodiphenyltrichloroethane (DDT), chlordane, lindane, endosulfan, and dieldrin.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.Application In Synthesis of 1-Bromo-6-chlorohexane

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

A FRET chemosensor for hypochlorite with large Stokes shifts and long-lifetime emissions was written by Liu, Zhiwei;Song, Fengling;Song, Bo;Jiao, Long;An, Jing;Yuan, Jingli;Peng, Xiaojun. And the article was included in Sensors and Actuators, B: Chemical in 2018.Recommanded Product: 95-88-5 The following contents are mentioned in the article:

A FRET-based chemosensor for hypochlorite was developed, both the donor and acceptor of this FRET system are fluorophores with a large Stokes shift. The donor has two comparable excitation peaks at 460 nm and 575 nm. And it is found FRET-sensitized emission has less interference from direct-excited acceptor emission when excitation at 460 nm compared with excitation at 575 nm. The sensitivity can be improved for 4-fold (<95 nM). Meanwhile the donor can be excited by two-photon excitation source, which is an anti-Stokes shift property. It makes the chemosensor totally to get rid of the direct-excited acceptor emission for the FRET sensing method. Furthermore, the long lifetime luminescence of the FRET pairs makes them possible to be used in time-resolved technol., this can overcome the autofluorescence interference from biol. matrix. All above characters implied this FRET pairs have more potential to be applied in hypochlorite detection of biol. samples. 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. 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.Recommanded Product: 95-88-5

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

Exfoliation of Al-residual multilayer MXene using tetramethylammonium bases for conductive film applications was written by Saita, Emi;Iwata, Masaki;Shibata, Yuki;Matsunaga, Yuki;Suizu, Rie;Awaga, Kunio;Hirotani, Jun;Omachi, Haruka. And the article was included in Frontiers in Chemistry (Lausanne, Switzerland) in 2022.Synthetic Route of C4H12ClN The following contents are mentioned in the article:

This study describes the concise exfoliation of multilayer Ti₃C₂T_x MXene containing residual aluminum atoms. Treatment with tetramethylammonium base in a co-solvent of THF and H₂O produced single-layer Ti₃C₂T_x, which was confirmed via at. force microscopy observations, with an elec. conductivity 100+ times that of Ti₃C₂T_x prepared under previously reported conditions. The SEM and X-ray diffraction measurements showed that the exfoliated single-layer Ti₃C₂T_x MXenes were reconstructed to assembled large-domain layered films, enabling excellent macroscale elec. conductivity XPS confirmed the complete removal of residual Al atoms and the replacement of surface fluorine atoms with hydroxy groups. Using the exfoliated dispersion, a flexible transparent conductive film was formed and demonstrated in an elec. application. 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. 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 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.Synthetic Route of C4H12ClN

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

The amylase inhibitor montbretin A reveals a new glycosidase inhibition motif was written by Williams, Leslie K.;Zhang, Xiaohua;Caner, Sami;Tysoe, Christina;Nguyen, Nham T.;Wicki, Jacqueline;Williams, David E.;Coleman, John;McNeill, John H.;Yuen, Violet;Andersen, Raymond J.;Withers, Stephen G.;Brayer, Gary D.. And the article was included in Nature Chemical Biology in 2015.Category: chlorides-buliding-blocks The following contents are mentioned in the article:

The complex plant flavonol glycoside montbretin A (MbA) is a potent (K_i = 8 nM) and specific inhibitor of human pancreatic α-amylase (HPA) with potential as a therapeutic for diabetes and obesity. Controlled degradation studies on montbretin A, coupled with inhibition analyses, identified an essential high-affinity core structure comprising the myricetin and caffeic acid moieties linked via a disaccharide. X-ray structural analyses of the montbretin A complex with human α-amylase confirmed the importance of this core structure and revealed a novel mode of glycosidase inhibition, wherein internal π-stacking interactions between the myricetin and caffeic acid moieties organize their ring hydroxyls for optimal hydrogen bonding to the α-amylase catalytic residues D197 and E233. This novel inhibitory motif can be reproduced in a greatly simplified analog, offering potential for new strategies for glycosidase inhibition and therapeutic development. 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. 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.Category: chlorides-buliding-blocks

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

Monte carlo simulations and experiments of all-silica zeolite LTA assembly combining structure directing agents that match cage sizes was written by Bores, Cecilia;Luo, Song;David Lonergan, J.;Richardson, Eden;Engstrom, Alexander;Fan, Wei;Auerbach, Scott M.. And the article was included in Physical Chemistry Chemical Physics in 2022.Formula: C4H12ClN The following contents are mentioned in the article:

The effect is investigated of organic structure-directing agents (OSDAs) on the formation rates of all-silica zeolite LTA using both simulations and experiments, to shed light on the crystallization process. Syntheses are compared using one OSDA with a diameter close to the size of the large cavity in LTA and two OSDAs of diameters matching the sizes of both the small and large LTA cavities. Reaction-ensemble Monte Carlo (RxMC) simulations predict a speed up of LTA formation using two OSDAs matching the LTA pore sizes; this qual. result is confirmed by exptl. studies of crystallization kinetics, which find a speedup in all-silica LTA crystallization of a factor of 3. Analyses of simulated rings and their Si-O-Si angular energies during RxMC crystallizations show that all ring sizes in the faster crystallization exhibit lower angular energies, on average, than in the slower crystallization, explaining the origin of the speedup through packing effects. This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0Formula: 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.Formula: C4H12ClN

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

Reference electrodes with polymeric membranes containing ionic liquids of various physicochemical properties was written by Kuczak, Julia;Grzeszyk, Karolina;Kochman, Kinga;Krolikowski, Marek;Krolikowska, Marta;Gorski, Lukasz. And the article was included in Sensors and Actuators, B: Chemical in 2022.Computed Properties of C4H12ClN The following contents are mentioned in the article:

In this paper, the development of reference electrodes with polyurethane membranes containing ionic liquids is described. In particular, the influence of physicochem. properties of ionic liquids on the performance of polymeric membrane reference electrodes was elucidated. It was found that the potential stability of tested electrodes strongly depends on the differences in partition coefficient values between cation and anion of the ionic liquid Among tested ionic liquids, 1-(2-hydroxyethyl)- 3-imidazolium bis{(trifluoromethyl)sulfonyl}imide induced the best potential stability of reference electrodes. It was also shown that the amount of the ionic liquid in the polymeric membrane does not influence significantly the performance of resulting reference electrodes. Moreover, results demonstrate that the addition of the plasticizer to the polyurethane membrane is not necessary to prepare reference electrodes that show sufficiently stable EMF values in solutions of various ion concentrations Membranes of optimal composition were used to prepare All-Solid-State reference electrodes on glassy carbon disc electrodes with acceptable potential stability. 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. 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.Computed Properties of C4H12ClN

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

A Rationally Designed, General Strategy for Membrane Orientation of Photoinduced Electron Transfer-Based Voltage-Sensitive Dyes was written by Kulkarni, Rishikesh U.;Yin, Hang;Pourmandi, Narges;James, Feroz;Adil, Maroof M.;Schaffer, David V.;Wang, Yi;Miller, Evan W.. And the article was included in ACS Chemical Biology in 2017.SDS of cas: 95-88-5 The following contents are mentioned in the article:

Voltage imaging with fluorescent dyes offers promise for interrogating the complex roles of membrane potential in coordinating the activity of neurons in the brain. Yet, low sensitivity often limits the broad applicability of optical voltage indica-tors. In this paper, the authors use mol. dynamics (MD) simulations to guide the design of new, ultra-sensitive fluorescent voltage indicators that use photoinduced electron transfer (PeT) as a voltage-sensing switch. MD simulations predict an approx. 16% increase in voltage sensitivity resulting purely from improved alignment of dye with the membrane. The authors confirm this theor. finding by synthesizing 10 new voltage-sensitive (VoltageFluor, or VF) dyes and establishing that all of them display the expected improvement of approx. 19%. This synergistic outworking of theory and experiment enabled computational and theor. estimation of VF dye orientation in lipid bilayers and has yielded the most sensitive PeT-based VF dye to date. The authors use this new voltage indicator to monitor voltage spikes in neurons from rat hippocampus and human pluripotent stem cell-derived dopaminergic neurons. 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. 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.SDS of cas: 95-88-5

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