Author: Jessica.F

Synthesis, spectra, and reactions of some S-alkylthiophenium salts was written by Acheson, Richard M.;Harrison, Derek R.. And the article was included in Journal of the Chemical Society [Section] C: Organic in 1970.Reference of 18583-55-6 This article mentions the following:

S-Alkylthiophenium, -benzo[b]thiophenium and -dibenzo[b,d]thiophenium salts were prepared by treatment of the corresponding thiophenes with alkyl halides in the presence of AgBF4 or similar reagents. Their uv spectra resemble those of the corresponding sulfoxides and sulfones, rather than those of the parent thiophene. The NMR spectrum of 3-bromo-1-ethylbenzo[b]thiophenium tetrafluoroborate and those of similar compounds show that the Et groups appear as ABX3 systems, which were computer-simulated. The S-alkyl groups are putatively not coplanar with the S-containing rings. In the mass spectrometer the S-alkyl group is very readily lost, but expansion of the thiophene ring also occurs. The salts are powerful alkylating agents. In the experiment, the researchers used many compounds, for example, (2-Chlorobenzyl)triphenylphosphonium chloride (cas: 18583-55-6Reference of 18583-55-6).

(2-Chlorobenzyl)triphenylphosphonium chloride (cas: 18583-55-6) 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. 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.Reference of 18583-55-6

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

Synthesis, physico-chemical characterization, and environmental applications of meso porous crosslinked poly (azomethine-sulfone)s was written by Sayed, Marwa M.;Abdel-Hakim, Mohamed;Mahross, Mahmoud H.;Aly, Kamal I.. And the article was included in Scientific Reports in 2022.Computed Properties of C16H18ClN3S This article mentions the following:

To develop innovative mesoporous crosslinked poly(azomethine- sulfone)s with environmental applications, a simple Schiff base condensation technique based on barbituric acid BA or condensed terephthaldehyde barbituric acid TBA in their structures as monomeric units are applied. Different anal. methodologies and viscosity measurements identify them as having stronger heat stability and an amorphous structure. The photophys. features of the multi stimuli response MSR phenomenon are observable, with white light emission at higher concentrations and blue light emission at lower concentrations Their emission characteristics make them an excellent metal ions sensor through diverse charge transfer methods. They can have a better inhibition efficiency and be employed as both mixed-type and active corrosion inhibitors according to their fluorescence emission with metals, demonstrating their capacity to bind with diverse metals. The adsorption of two distinct dye mols., Methylene blue MB cationic and sunset yellow SY anionic, on the mesoporous structures of the polymers is investigated, revealing their selectivity for MB dye adsorption. Quantum studies support these amazing discoveries, demonstrating a crab-like monomeric unit structure for the one that is heavily crosslinked. In the experiment, the researchers used many compounds, for example, 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride (cas: 61-73-4Computed Properties of C16H18ClN3S).

3,7-Bis(dimethylamino)phenothiazin-5-ium chloride (cas: 61-73-4) 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. 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 C16H18ClN3S

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

Microbiota Metabolism Promotes Synthesis of the Human Ah Receptor Agonist 2,8-Dihydroxyquinoline was written by Hubbard, Troy D.;Liu, Qing;Murray, Iain A.;Dong, Fangcong;Miller, Charles;Smith, Philip B.;Gowda, Krishne;Lin, Jyh Ming;Amin, Shantu;Patterson, Andrew D.;Perdew, Gary H.. And the article was included in Journal of Proteome Research in 2019.Safety of 2,6-Dichloro-9-isopropyl-9H-purine This article mentions the following:

The aryl hydrocarbon receptor (AHR) is a major regulator of immune function within the gastrointestinal tract. Resident microbiota are capable of influencing AHR-dependent signaling pathways via production of an array of bioactive mols. that act as AHR agonists, such as indole or indole-3-aldehyde. Bacteria produce a number of quinoline derivatives, of which some function as quorum-sensing mols. Thus, we screened relevant hydroxyquinoline derivatives for AHR activity using AHR responsive reporter cell lines. 2,8-Dihydroxyquinoline (2,8-DHQ) was identified as a species-specific AHR agonist that exhibits full AHR agonist activity in human cell lines, but only induces modest AHR activity in mouse cells. Addnl. dihydroxylated quinolines tested failed to activate the human AHR. Nanomolar concentrations of 2,8-DHQ significantly induced CYP1A1 expression and, upon cotreatment with cytokines, synergistically induced IL6 expression. Ligand binding competition studies subsequently confirmed 2,8-DHQ to be a human AHR ligand. Several dihydroxyquinolines were detected in human fecal samples, with concentrations of 2,8-DHQ ranging between 0 and 3.4 pmol/mg feces. Addnl., in mice the microbiota was necessary for the presence of DHQ in cecal contents. These results suggest that microbiota-derived 2,8-DHQ would contribute to AHR activation in the human gut, and thus participate in the protective and homeostatic effects observed with gastrointestinal AHR activation. In the experiment, the researchers used many compounds, for example, 2,6-Dichloro-9-isopropyl-9H-purine (cas: 203436-45-7Safety of 2,6-Dichloro-9-isopropyl-9H-purine).

2,6-Dichloro-9-isopropyl-9H-purine (cas: 203436-45-7) 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. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.Safety of 2,6-Dichloro-9-isopropyl-9H-purine

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

Constructing semi-oriented single-walled carbon nanotubes artificial water channels for realized efficient desalination of nanocomposite RO membranes was written by Song, Xipeng;Li, Shuangshuang;Zhang, Wensheng;Liu, Hongpeng;Jiang, Jingyu;Zhang, Chunhua. And the article was included in Journal of Membrane Science in 2022.Recommanded Product: 4422-95-1 This article mentions the following:

The application of aquaporin-like structural materials in separation membranes has been developed for several years. Regretfully, the prepared nanocomposite reverse osmosis (RO) membranes exhibited an unsatisfactory separation performance. To obtain highly desirable applied indexes, here we report the use of chopped single-walled carbon nanotubes (SWNTs) with carboxylated ends to construct high-efficiency partially aligned artificial water channels via the “traction” action of external force. The factors affecting the separation performance of artificial water channels were emphatically explored by scientific experiments, demonstrating that only the carbon nanotubes (CNTs) are semi-oriented along the transmembrane direction can truly give play to the transport mechanism of the artificial water channel, thereby achieving high water permeance. Notably, the modification of the polydopamine (PDA) coating can provide phys. adhesion to make more SWNTs firmly adhere to the substrate surface, which improved the sieving ability of the SWNTs with a certain size range inner diameter and fortifying the structural stability between the substrate and the polyamide (PA) functional layer. The final PDA-PA-S RO membrane presented extraordinary separation performance with high water permeance of 3.88 L m^-2 h^-1 bar^-1 and salt rejection of 99.2%, which far surpasses that of the existing CNT-based and aquaporin-based RO membranes. In the experiment, the researchers used many compounds, for example, Trimesoylchloride (cas: 4422-95-1Recommanded Product: 4422-95-1).

Trimesoylchloride (cas: 4422-95-1) 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. 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.Recommanded Product: 4422-95-1

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

Surface modification of nanofiltration membranes to improve the removal of organic micropollutants: Linking membrane characteristics to solute transmission was written by Huang, Shiyang;McDonald, James A.;Kuchel, Rhiannon P.;Khan, Stuart J.;Leslie, Greg;Tang, Chuyang Y.;Mansouri, Jaleh;Fane, Anthony G.. And the article was included in Water Research in 2021.Electric Literature of C13H9Cl3N2O This article mentions the following:

Surface modification of nanofiltration (NF) membranes has great potential to improve the removal of organic micropollutants (OMs) by NF membranes. This study used polydopamine (PDA) as a model coating to comprehensively link the changes in membrane properties with the changes in transmission of 34 OMs. The membrane characterization demonstrated that a thicker, denser, and more hydrophilic PDA coating can be achieved by increasing the PDA deposition time from 0.5 to 4 h. Overall, the transmissions of target OMs were reduced by PDA-coated NF membranes compared to unmodified NF membranes. The neutral hydrophobic compounds showed lower transmissions for longer PDA coating (PDA4), while the neutral hydrophilic compounds tended to show lower transmissions for shorter PDA coating (PDA0.5). To explain this, competing effects provided by the PDA coatings are proposed including sealing defects, inducing cake-enhanced concentration polarization in the coating layer for neutral hydrophilic compounds, and weakened hydrophobic adsorption for neutral hydrophobic compounds For charged compounds, PDA4 with the greatest neg. charge among the PDA-coated membranes showed the lowest transmission. Depending on the mol. size and hydrophilicity of the compounds, the transmission of OMs by the PDA4 coating could be reduced by 70% with only a 26.4% decline in water permeance. The correlations and mechanistic insights provided by this work are highly useful for designing membranes with sp. surface properties via surface modification to improve the removal of OMs without compromising water production In the experiment, the researchers used many compounds, for example, 1-(4-Chlorophenyl)-3-(3,4-dichlorophenyl)urea (cas: 101-20-2Electric Literature of C13H9Cl3N2O).

1-(4-Chlorophenyl)-3-(3,4-dichlorophenyl)urea (cas: 101-20-2) 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. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.Electric Literature of C13H9Cl3N2O

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

Iron doped activated carbon for effective removal of tartrazine and methylene blue dye from the aquatic systems: Kinetics, isotherms, thermodynamics and desorption studies was written by Joshiba, G. Janet;Kumar, P. Senthil;Rangasamy, Gayathri;Ngueagni, P. Tsopbou;Pooja, G.;Balji, G. Bharat;Alagumalai, Krishnapandi;El-Serehy, Hamed A.. And the article was included in Environmental Research in 2022.Recommanded Product: 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride This article mentions the following:

In the current research work, the activated carbon synthesized from the plant species Delonix regia is doped with iron oxide nanoparticles and enforced as a nanosorbent for the effective extermination of Tartrazine (TAR) and Methylene blue (MB) dyes. This nanosorbent is prepared from the bark powder of the Delonix regia and subjected to chem. activation; Furthermore, the synthesized biosorbent were characterized using FTIR, SEM, TGA, and XRD to understand their functional properties and structural morphol. The optimum effectiveness adsorption of Tartrazine and Methylene blue has been investigated by using different key parameters. The conclusions have shown the highest removal percentage at a pH of 3 and 6 for Tartrazine and Methylene blue, resp. For the various initial concentrations, the adsorption percentage reached equilibrium after 60 min and 90 min for TAR and MB. The adsorption equilibrium values were applied to various isotherms models. The adsorbent showed a higher removal capacity of 357.142 mg g^-1 and 147.058 mg g^-1 and for MB and TAR resp. The kinetic data were best fits to pseudo second order model. The thermodn. parameters indicated that this adsorption process was found to be spontaneous, exothermic and feasible at different temperatures These results have shown that the prepared adsorbent is an environmentally friendly and suitable material for the elimination of TAR and MB from water systems. In the experiment, the researchers used many compounds, for example, 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride (cas: 61-73-4Recommanded Product: 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride).

3,7-Bis(dimethylamino)phenothiazin-5-ium chloride (cas: 61-73-4) belongs to organic chlorides. Organic chlorides can be used in production of: PVC, pesticides, chloromethane, teflon, insulators.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: 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride

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

Basic metals. LXII. Preparation and reactions of the metal bases C₅H₅Ir(L)P(CHMe₂)₃ and C₅H₅IrL₂ (L = olefin) was written by Dziallas, M.;Hoehn, A.;Werner, H.. And the article was included in Journal of Organometallic Chemistry in 1987.Synthetic Route of C8H16Cl2Ir2 This article mentions the following:

The reaction of the chloro-bridged compounds [(olefin)₂IrCl]₂ (olefin = C₈H₁₄, C₂H₄, C₃H₆) with P(CHMe₂)₃ and LiC₅H₅ produces the half-sandwich type complexes, C₅H₅Ir(olefin)P(CHMe₂)₃ (I). For cyclooctene, the intermediate [(C₈H₁₄)[P(CHMe₂)₃]IrCl]₂ was isolated. I behave as metal bases and reacts with MeI to form C₅H₅IrCH₃[P(CHMe₂)₃]I (II). Subsequent reaction of II with NaBH₄ produces the hydrido(methyl)iridium complex C₅H₅IrCH₃[P(CHMe₂)₃]H. Protonation of I with HBF₄.OEt₂ leads to the formation of BF₄ salts of the cations [C₅H₅IrH(olefin)P(CHMe₂)₃]⁺. C₅H₅Ir(C₃H₆)P(CHMe₂)₃, obtained as two isomers, reacts with HBF₄.OEt₂ to give four isomers in a 73:16:7:4 ratio. Rotation of the olefin around the metal-olefin axes in I (olefin = C₂H₄, C₃H₆) can not be detected at room temperature The bis(olefin)iridium complexes, C₅H₅Ir(olefin)₂, which were prepared from [(olefin)₂IrCl]₂ and LiC₅H₅, also react with HBF₄.OEt₂ to give ionic products. In the experiment, the researchers used many compounds, for example, Chlorobis(ethylene)iridium(I) dimer (cas: 39722-81-1Synthetic Route of C8H16Cl2Ir2).

Chlorobis(ethylene)iridium(I) dimer (cas: 39722-81-1) 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. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. However, the extent of chlorination is difficult to control.Synthetic Route of C8H16Cl2Ir2

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

Anti-glycemic potential of benzophenone thio/semicarbazone derivatives: synthesis, enzyme inhibition and ligand docking studies was written by Arshia;Fayyaz, Sharmeen;Shaikh, Muniza;Khan, Khalid Mohammed;Choudhary, M. Iqbal. And the article was included in Journal of Biomolecular Structure and Dynamics in 2022.Computed Properties of C7H3Cl2NS This article mentions the following:

Inhibition of dipeptidyl peptidase-IV (DPP-IV) has been identified as a promising approach for the treatment of type 2 diabetes mellitus (T2DM). Therefore, development of DPP-IV inhibitors with new chem. scaffold is of utmost importance to medicinal chem. In the present study, we identified benzophenone thio- and semicarbazone scaffolds as novel DPP-IV inhibitors. For that purpose, benzophenone thio- and semicarbazone were synthesized through a 2-step reaction. These newly synthetic derivatives were characterized by different spectroscopic techniques, including HREI-MS and NMR. whereas stereochem. of the iminic bond was predicted by NOESY experiments Thio- and semicarbazones derivatives were evaluated for their DPP-IV inhibitory potential and found to exhibit a good to moderate enzyme inhibitory activity. Most active and non-cytotoxic derivatives were further evaluated for their DPP-IV inhibitory potential in in cellulo model. The binding sites as well as affinity of active compounds for DPP- IV enzyme were predicted by in silico studies, and compared to a standard drug, sitagliptin. Pharmacophore studies of thio- and semicarbazones derivatives 1-29 suggest that substitution of aryl group, particularly a lipophilic substituents at C-4″ of benzene ring, and a hydroxyl at C-4â€?strongly influenced the DPP-IV inhibitory activity. Compound 9 showed the highest inhibitory activity (IC₅₀ = 15.0 ± 0.6 μM), whereas compounds 10, 17, 12, 14 and 23 showed a moderate activity with IC₅₀ values in the range of 28.9-39.2 μM. This study identifies thio- and semicarbazones as new classes of DPP-IV inhibitors which may translate into safe and effective therapeutics for a better management of type 2 diabetes.Communicated by Ramaswamy H. Sarma. In the experiment, the researchers used many compounds, for example, 2,4-Dichlorophenylisothiocyanate (cas: 6590-96-1Computed Properties of C7H3Cl2NS).

2,4-Dichlorophenylisothiocyanate (cas: 6590-96-1) 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.Computed Properties of C7H3Cl2NS

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

Crystal structures of salts and cocrystal of 1,3,5-triazine derivatives with thiophene carboxylic acid derivatives: an investigation on supramolecular interactions was written by Prajina, O. K.;Muthiah, P. T.;Perdih, F.. And the article was included in SN Applied Sciences in 2019.Reference of 36157-41-2 This article mentions the following:

Present work gives an account of different types of non covalent interactions encountered in the supramol. architectures of new salts and cocrystal formed between derivatives of 1,3,5-triazine and thiophene carboxylic acid. The novel salts formed between derivatives of thiophene carboxylic acid and 1,3,5-triazine are 2, 4-diamino-6-methyl-1,3,5-triazin-1-ium 5-carboxythiophene-2-carboxylate monohydrate, C₄H₈N₅⁺·C₆H₃O₄S₁^–·H₂O (I) and 2,4-diamino-6-methyl-1,3,5-triazin-1-ium 3-bromothiophene-2-carboxylate monohydrate, C₄H₈N₅⁺·C₅H₂O₂S₁Br₁^–·H₂O (II). The new cocrystal is a 1:1 cocrystal formed between 2,4-diamine-6-phenyl-1,3,5-triazine and 2,5-dichlorothiophene-3-carboxylic acid, C₉H₉N₅·C₅H₂O₂S₁Cl₂ (III). The newly synthesized salts (I and II) and cocrystal (III) have been characterized by single-crystal X-ray diffraction. Supramol. heterosynthons, homosynthons observed via N-H···O, N-H···N and O-H···N hydrogen bonds are also discussed. Anion···π interaction between carboxylate oxygen and aromatic rings of thiophene and triazine are observed in salt (I). π···π interaction is present between thiophene and triazine rings in salt (II). R²2(8) ring motif is formed in cocrystal (III) via N-H···O and O-H···N hydrogen bonds. Further stabilization of cocrystal (III) via Cl···O, Cl···Cl interactions as well as π···π interactions (triazine···triazine rings and triazine···phenyl rings) are also investigated. In the experiment, the researchers used many compounds, for example, 2,5-Dichlorothiophene-3-carboxylic acid (cas: 36157-41-2Reference of 36157-41-2).

2,5-Dichlorothiophene-3-carboxylic acid (cas: 36157-41-2) 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. 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 36157-41-2

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

Selective Degradation of GSPT1 by Cereblon Modulators Identified via a Focused Combinatorial Library was written by Powell, Chelsea E.;Du, Guangyan;Che, Jianwei;He, Zhixiang;Donovan, Katherine A.;Yue, Hong;Wang, Eric S.;Nowak, Radoslaw P.;Zhang, Tinghu;Fischer, Eric S.;Gray, Nathanael S.. And the article was included in ACS Chemical Biology in 2020.Computed Properties of C8H8Cl2N4 This article mentions the following:

Cereblon (CRBN) is an E3 ligase adapter protein that can be reprogrammed by imide-class compounds such as thalidomide, lenalidomide, and pomalidomide to induce the degradation of neo-substrate proteins. In order to identify addnl. small mol. CRBN modulators, we implemented a focused combinatorial library approach where we fused an imide-based CRBN-binding pharmacophore to a heterocyclic scaffold, which could be further elaborated. We screened the library for CRBN-dependent antiproliferative activity in the multiple myeloma cell line MM1.S and identified five hit compounds Quant. chem. proteomics of hit compounds revealed that they induced selective degradation of GSPT1, a translation termination factor that is currently being explored as a therapeutic target for the treatment of acute myeloid leukemia. Mol. docking studies with CRBN and GSPT1 followed by analog synthesis identified a possible hydrogen bond interaction with the central pyrimidine ring as a mol. determinant of hit compounds’ selectivity. This study demonstrates that a focused combinatorial library design, phenotypic screening, and chem. proteomics can provide a suitable workflow to efficiently identify novel CRBN modulators. In the experiment, the researchers used many compounds, for example, 2,6-Dichloro-9-isopropyl-9H-purine (cas: 203436-45-7Computed Properties of C8H8Cl2N4).

2,6-Dichloro-9-isopropyl-9H-purine (cas: 203436-45-7) 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.Computed Properties of C8H8Cl2N4

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