Category: 2923-28-6

Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 2923-28-6, is researched, Molecular CAgF3O3S, about Halogen Bonds of Iodonium Ions: A World Dissimilar to Silver Coordination, the main research direction is iodonium halogen bond silver complex comparison.Electric Literature of CAgF3O3S.

A distinct difference between the three-center halogen bond and the analogous three-center coordinative bond of silver is demonstrated by computational, X-ray crystallog. and solution NMR spectroscopic investigations of their complexes with a bidentate Lewis base. Iodine(I) preferentially forms an entropically favored monomeric complex, whereas silver(I) forms enthalpically favored dimeric complexes. Counterion coordination considerably influences the structure of the silver complexes in the solution and solid state, whereas it does not have notable effect on the analogous halogen bond.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: Silver(I) trifluoromethanesulfonate, is researched, Molecular CAgF3O3S, CAS is 2923-28-6, about Activation of small molecules by an amphiphilic phosphinito bridged Pt(I)-Pt(I) complex, the main research direction is review amphiphilic phosphinito bridged platinum dinuclear nucleophile electrophile.Category: benzofurans.

A review. The complex [(PHCy2)Pt(μ-PCy2){κ2P,O-μ-P(O)Cy2}Pt(PHCy2)](Pt-Pt) (1) constitutes a rare example of unsym. phosphinito diplatinum species that, due to the simultaneous presence of a soft binding atom (P) linked to a hard one (O), undergoes smooth reaction with nucleophiles, electrophiles, dihydrogen and terminal alkynes. The tested nucleophiles were PHCy2, PCy3, P(S)HCy2 and CO, whereas the investigated electrophiles were several Bronsted acids as well as metal based species (AuCl, Au(PPh3)Cl, AgX, X = OTf, BF4, ClO4, Cl, (PPh3)OTf). The alkynes used in reaction with 1 were (trimethylsilyl)acetylene and phenylacetylene. In all cases the skeletal framework was preserved and in one case (reaction with diluted HF) dimerization led to a tetranuclear species.

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Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Evidence in primates supporting the use of chemogenetics for the treatment of human refractory neuropsychiatric disorders, published in 2021-12-01, which mentions a compound: 2923-28-6, Name is Silver(I) trifluoromethanesulfonate, Molecular CAgF3O3S, Safety of Silver(I) trifluoromethanesulfonate.

Non-human primate (NHP) models are essential for developing and translating new treatments that target neural circuit dysfunction underlying human psychopathol. As a proof-of-concept for treating neuropsychiatric disorders, we used a NHP model of pathol. anxiety to investigate the feasibility of decreasing anxiety by chemogenetically (DREADDs [designer receptors exclusively activated by designer drugs]) reducing amygdala neuronal activity. Intraoperative MRI surgery was used to infect dorsal amygdala neurons with AAV5-hSyn-HA-hM4Di in young rhesus monkeys. In vivo microPET studies with [11C]-deschloroclozapine and postmortem autoradiog. with [3H]-clozapine demonstrated selective hM4Di binding in the amygdala, and neuronal expression of hM4Di was confirmed with immunohistochem. Addnl., because of its high affinity for DREADDs, and its approved use in humans, we developed an individualized, low-dose clozapine administration strategy to induce DREADD-mediated amygdala inhibition. Compared to controls, clozapine selectively decreased anxiety-related freezing behavior in the human intruder paradigm in hM4Di-expressing monkeys, while coo vocalizations and locomotion were unaffected. These results are an important step in establishing chemogenetic strategies for patients with refractory neuropsychiatric disorders in which amygdala alterations are central to disease pathophysiol.

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Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

Zhang, Shan-Shan; Chen, Jing-Yi; Li, Kai; Yuan, Jun-Di; Su, Hai-Feng; Wang, Zhi; Kurmoo, Mohamedally; Li, Ying-Zhou; Gao, Zhi-Yong; Tung, Chen-Ho; Sun, Di; Zheng, Lansun published the article 《Janus Cluster: Asymmetric Coverage of a Ag43 Cluster on the Symmetric Preyssler P5W30 Polyoxometalate》. Keywords: alkynylsilver tungstanophosphate polyoxometalate Janus cluster preparation crystal mol structure.They researched the compound: Silver(I) trifluoromethanesulfonate( cas:2923-28-6 ).Quality Control of Silver(I) trifluoromethanesulfonate. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:2923-28-6) here.

An anion template generally exerts an inductive effect by forming a fully covered outer shell around it; however, partial coverage to form an entity with either an anisotropic structure or a regioselective distribution of functional groups, called the Janus cluster, is still challenging. An attempt at creating asym. core-shell hybrid structures using the high-symmetry Preyssler polyoxometalate (POM) as anion template and [Ag(tBuCC)]n to generate the shell resulted in {[K(H2O)HP5W30O110]@Ag43(tBuCC)29(CN)(CH3CN)(H2O)}·4CH3CN (SD/Ag43a) with only ca. 60% surface coverage. The asym. Ag43 shell comprises two segments, Ag16(tBuCC)10 and Ag25(tBuCC)15, linked by a pair of Ag(tBuCC)2 units. This is an unprecedented example of an asym. coverage on a sym. Preyssler P5W30. Electrospray ionization mass spectrometry (ESI-MS) indicates the progressive addition of [Ag(tBuCC)] to the surface in forming SD/Ag43a. Due to the incomplete Ag shell on the P5W30 core, both components have exposed surfaces, resulting in typical redox peaks from both P5W30 and the Ag(I) cluster being clearly detected in cyclic voltammetry, which demonstrates the successful dual functionalization of the POM and silver cluster hybrid.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Terpyridine based ReX(CO)3 compounds (X = Br-, N-3 and triazolate): Spectroscopic and DFT studies, published in 2021-01-15, which mentions a compound: 2923-28-6, mainly applied to preparation rhenium phenylmorpholineterpyridine carbonyl bromide azide complex; crystal mol structure rhenium phenylmorpholineterpyridine carbonyl bromide azide complex; antimicrobial activity rhenium phenylmorpholineterpyridine carbonyl bromide azide complex; protein affinity rhenium phenylmorpholineterpyridine carbonyl bromide azide complex, Formula: CAgF3O3S.

[ReX(CO)3(L-k2N1,N2)] (L = 4′-(4-Ph morpholine)-2,2′:6′,2”-terpyridine, X = Br- (1), N3- (2), and triazolate (3)) complexes were synthesized, and characterized using different spectroscopic and anal. tools including single-crystal X-ray diffraction anal. of 2. The 1,3-dipolar cycloaddition reaction between 2, and 4,4,4-trifluoro-2-butynoic acid Et ester afforded triazolate 3. Although, the crystal structure of 2 showed that the azide ligand is terminally coordinated to Re(CO)+3 unit, the 19F and 1H NMR analyses of 3 provided conversant evidences that the kinetically formed N(1) triazolate bound isomer favored the isomerization to N(2) form. The photophys. properties of 1-3 were studied by recording the absorption spectra of the compounds in solvents of different polarities. Complexes 1 and 3 were screened for their potential antimicrobial activities. The protein binding affinity of 1, and 3 towards hen white egg lysozyme revealed that the bromide complex exchanges Br- with that protein, while the triazolate analog sticked around.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

Yuan, Shang-Fu; Lei, Zhen; Guan, Zong-Jie; Wang, Quan-Ming published an article about the compound: Silver(I) trifluoromethanesulfonate( cas:2923-28-6,SMILESS:O=S(C(F)(F)F)([O-])=O.[Ag+] ).Category: benzofurans. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:2923-28-6) through the article.

Gold nanoclusters with surface open sites are crucial for practical applications in catalysis. We have developed a surface geometric mismatch strategy by using mixed ligands of different type of hindrance. When bulky phosphine Ph3P and planar dipyridyl amine (Hdpa) are simultaneously used, steric repulsion between the ligands will reduce the ligand coverage of gold clusters. A well-defined access granted gold nanocluster [Au23(Ph3P)10(dpa)2Cl](SO3CF3)2 (Au23, dpa=dipyridylamido) has been successfully synthesized. Single crystal structural determination reveals that Au23 has eight uncoordinated gold atoms in the shape of a distorted bicapped triangular prism. The accessibility of the exposed Au atoms has been confirmed quant. by luminescent titration with 2-naphthalenethiol. This cluster has excellent performance toward selective oxidation of benzyl alc. to benzaldehyde and demonstrates excellent stability due to the protection of neg. charged multidentate ligand dpa.

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Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Jalali, Mona; Hyland, Christopher J. T.; Bissember, Alex C.; Yates, Brian F.; Ariafard, Alireza researched the compound: Silver(I) trifluoromethanesulfonate( cas:2923-28-6 ).Safety of Silver(I) trifluoromethanesulfonate.They published the article 《Hydroalkylation of Alkenes with 1,3-Diketones via Gold(III) or Silver(I) Catalysis: Divergent Mechanistic Pathways Revealed by a DFT-Based Investigation》 about this compound( cas:2923-28-6 ) in ACS Catalysis. Keywords: hydroalkylation alkene diketone gold silver catalysis. We’ll tell you more about this compound (cas:2923-28-6).

D. functional theory calculations were used to investigate the mechanisms of established hydroalkylation reactions of styrenes with 1,3-diketones that are promoted by either AuCl3/AgOTf or AgOTf catalyst systems. In the former case, our studies led us to propose an original mechanism that is initiated by the generation of highly electrophilic Au(OTf)3, which then coordinates the enol tautomer of the 1,3-diketone substrate. The ensuing highly Bronsted acidic π-complex serves to protonate the styrene to generate a relatively low-energy benzylic carbocation. Notably, this suggests that this benzylic carbocation represents the true catalytic species in the reaction, and thus, the role of the gold complex is solely to generate this active catalyst. AuCl3 alone does not serve as a good initiator for this process because it is not electrophilic enough to generate the relatively low-energy benzylic carbocation. Our investigation of the hydroalkylation facilitated by the slightly electron-deficient AgOTf catalyst revealed that an alternative mechanism predominates. Specifically, it is more likely that the reaction proceeds via a demetallation process directly mediated by the silver catalyst. We found a clear trend indicating that the electron deficiency of the metal center dictates which of these two mechanistic scenarios occurs. This article discusses these two mechanistic pathways in detail, providing key information for the exptl. development of hydroalkylation processes.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Silver(I) trifluoromethanesulfonate(SMILESS: O=S(C(F)(F)F)([O-])=O.[Ag+],cas:2923-28-6) is researched.HPLC of Formula: 1260667-65-9. The article 《Evaluation of halogen chain-end functionality in 2-bromo-2-methylpropanoate esters of poly(oxyalkylene) polymers by MALDI-TOF spectroscopy》 in relation to this compound, is published in Polymer Bulletin (Heidelberg, Germany). Let’s take a look at the latest research on this compound (cas:2923-28-6).

Esters of 2-bromo-2-methylpropanoate of poly(oxyalkylene) polymers such as poly(ethylene glycol) or α-Me poly(ethylene glycol) were prepared in high yields and characterized by spectroscopic and chromatog. methods (NMR, FT-IR, mass spectroscopy and SEC). The halogen chain-end group in the poly(oxyalkylene) bromine-terminated esters was characterized by MALDI-TOF MS. The effect of the solvents (methanol or tetrahydrofuran) and the cationic agents such as silver trifluoroacetate (AgTFA), silver trifluoromethanesulfonate (AgTFS) and sodium trifluoroacetate (NaTFA) on the mass spectra was studied. Anal. of the mass spectra demonstrated that the analyte was transformed to unsaturated (elimination), alkoxy or hydroxyl end-groups (substitution) mols. when silver cationic agents were used; these results were also supported by 1H NMR study. When sodium salt was used as a cationic agent, well-defined bromine-terminated macromols. were successfully determined through MALDI-TOF MS. Well-characterized esters of 2-bromo-2-methylpropanoate of poly(oxyalkylene) polymers could be used as ATRP macroinitiators for the synthesis of a variety of polymeric architectures of interest as drug delivery bioconjugates.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

Asanin, Darko P.; Bogojevic, Sanja Skaro; Perdih, Franc; Andrejevic, Tina P.; Milivojevic, Dusan; Aleksic, Ivana; Nikodinovic-Runic, Jasmina; Glisic, Biljana D.; Turel, Iztok; Djuran, Milos I. published the article 《Structural characterization, antimicrobial activity and BSA/DNA binding affinity of new silver(I) complexes with thianthrene and 1,8-naphthyridine》. Keywords: silver complex thianthrene naphthyridine antibacterial antifungal DNA binding; 1,8-naphthyridine; Caenorhabditis elegans; DNA/BSA interaction; antimicrobial activity; silver(I) complexes; thianthrene.They researched the compound: Silver(I) trifluoromethanesulfonate( cas:2923-28-6 ).Application of 2923-28-6. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:2923-28-6) here.

Three new silver(I) complexes [Ag(NO3)(tia)(H2O)]n (Ag1), [Ag(CF3SO3)(1,8-naph)]n (Ag2) and [Ag2(1,8-naph)2(H2O)1.2](PF6)2 (Ag3), where tia is thianthrene and 1,8-naph is 1,8-naphthyridine, were synthesized and structurally characterized by different spectroscopic and electrochem. methods and their crystal structures were determined by single-crystal X-ray diffraction anal. Their antimicrobial potential was evaluated against four bacterial and three Candida species, and the obtained results revealed that these complexes showed significant activity toward the Gram-pos. Staphylococcus aureus, Gram-neg. Pseudomonas aeruginosa and the investigated Candida species with minimal inhibitory concentration (MIC) values in the range 1.56-7.81 μg/mL. On the other hand, tia and 1,8-naph ligands were not active against the investigated strains, suggesting that their complexation with Ag(I) ion results in the formation of antimicrobial compounds Moreover, low toxicity of the complexes was detected by in vivo model Caenorhabditis elegans. The interaction of the complexes with calf thymus DNA (ct-DNA) and bovine serum albumin (BSA) was studied to evaluate their binding affinity towards these biomols. for possible insights into the mode of antimicrobial activity. The binding affinity of Ag1-3 to BSA was higher than that for DNA, indicating that proteins could be more favorable binding sites for these complexes in comparison to the nucleic acids.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

Related Products of 2923-28-6. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Silver(I) trifluoromethanesulfonate, is researched, Molecular CAgF3O3S, CAS is 2923-28-6, about Photoswitchable fluorescent self-assembled metallacycles with high photostability. Author is Chen, Shangjun; Chen, Lijun; Cai, Yunsong; Zhu, Wei-Hong.

In this study, photoswitchable fluorescent supramol. metallacycles with high fatigue-resistance have been constructed by coordination-driven self-assembly by using bithienylethene with dipyridyl units (BTE) as a coordination donor and a fluorescent di-platinum(II) (Pt-F) as a coordination acceptor. The photo-triggered reversible transformation between the ring-open and ring-closed form of the metallacycles was confirmed by 1H NMR, 31P NMR, and UV/Vis spectroscopy. This unique property enabled a reversible noninvasive “”off-on”” switching of fluorescence through efficient Foerster resonance energy transfer (FRET). Importantly, the metallacycles remained structurally intact after up to 10 photoswitching cycles. The photoresponsive property and exceptional photostability of the metallacycles posit their potential promising application in optical switching, image storage, and super-resolution microscopy.

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Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem