Tag: M.W:200-300

Recommanded Product: Silver(I) trifluoromethanesulfonate. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Silver(I) trifluoromethanesulfonate, is researched, Molecular CAgF3O3S, CAS is 2923-28-6, about Pentacyclic Nano-Trefoil. Author is Ju, Huiyeong; Tsuruoka, Yumiko; Hayano, Miho; Lee, Eunji; Park, Ki-Min; Ikeda, Mari; Ishi-i, Jun-ichi; Kuwahara, Shunsuke; Habata, Yoichi.

Tetra-armed cyclen (1) bearing two 4-(4′-pyridyl)benzyl and two 3,5-difluorobenzyl groups and its Ag+ complexes were prepared and structurally characterized. The complexes formed between 1 and Ag+ undergoes a reversible structural transformation between a 2:2 dimeric complex and a 3:5 pentacyclic trefoil complex with changes in the Ag+/1 molar ratio. It was also revealed that the 3:5 trefoil complex could encapsulate benzene and [D6]benzene selectively in solid-state. The benzene-included structures are stabilized by C-H···F-C interactions between the benzene mol. and the ligand mol.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

Recommanded Product: Silver(I) trifluoromethanesulfonate. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: Silver(I) trifluoromethanesulfonate, is researched, Molecular CAgF3O3S, CAS is 2923-28-6, about Redefining the Mechanistic Scenario of Carbon-Sulfur Nucleophilic Coupling via High-Valent Cp*CoIV Species. Author is Lopez-Resano, Sara; Martinez de Salinas, Sara; Garces-Pineda, Felipe A.; Moneo-Corcuera, Andrea; Galan-Mascaros, Jose Ramon; Maseras, Feliu; Perez-Temprano, Monica H..

Mechanism of carbon-sulfur bond formation during reductive elimination of 2-arylpyridine derivative 2-(2-CF3SC6H4)C5H4N from Co(III) half-sandwich cyclometalated 2-phenylpyridine complex [Cp*Co(SCF3)(phpy)] (Hphpy = 2-phenylpyridine) includes activation of Co(III) center by oxidation to Co(IV) with AgSCF3 reagent. The potential access to CoIV species for promoting transformations that are particularly challenging at CoIII still remains underexploited in the context of Cp*Co-catalyzed C-H functionalization reactions. Herein, we disclose a combined exptl. and computational strategy for uncovering the participation of Cp*CoIV species in a Cp*Co-mediated C-S bond-reductive elimination. These studies support the intermediacy of high-valent Cp*Co species in C-H functionalization reactions, under oxidative conditions, when involving nucleophilic coupling partners.

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Reference:
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.Yohda, Masaaki; Yamamoto, Yasunori researched the compound: Methyl 4-bromo-2-formylbenzoate( cas:1260795-42-3 ).COA of Formula: C9H7BrO3.They published the article 《Enantioselective addition of arylboronic acids to methyl 2-formylbenzoates by using a ruthenium/Me-BIPAM catalyst for synthesis of chiral 3-aryl-isobenzofuranones》 about this compound( cas:1260795-42-3 ) in Organic & Biomolecular Chemistry. Keywords: boronic acid formyl benzoate addition ruthenium bidentate phosphoramidite catalyst; isobenzofuranone aryl preparation enantioselective. We’ll tell you more about this compound (cas:1260795-42-3).

A series of chiral 3-aryl-isobenzofuranones I (R = 5-CF3, 6-Br, 7-CH3, etc.; Ar = Ph, 2-naphthyl, 3-thienyl, etc.) were synthesized via ruthenium/Me-BIPAM-catalyzed asym. addition of arylboronic acids ArB(OH)2 to Me 2-formylbenzoates R1C(O)H [R1 = 2-C(O)OCH3-C6H4, 2-C(O)OCH3-5-CF3-C6H3, 2-C(O)OCH3-4-Cl-C6H3, etc.]. The [RuCl2 (p-cymene)]2/Me-BIPAM and RuCl2(PPh3)3/Me-BIPAM catalyst systems tolerate a variety of functional groups and give high yields with high enantioselectivities.

As far as I know, this compound(1260795-42-3)COA of Formula: C9H7BrO3 can be applied in many ways, which is helpful for the development of experiments. Therefore many people are doing relevant researches.

Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

HPLC of Formula: 2923-28-6. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: Silver(I) trifluoromethanesulfonate, is researched, Molecular CAgF3O3S, CAS is 2923-28-6, about An amide-based second coordination sphere promotes the dimer pathway of Mn-catalyzed CO2-to-CO reduction at low overpotential. Author is Yang, Yong; Ertem, Mehmed Z.; Duan, Lele.

The [fac-Mn(bpy)(CO)3Br] complex is capable of catalyzing the electrochem. reduction of CO2 to CO with high selectivity, moderate activity and large overpotential. Several attempts have been made to lower the overpotential and to enhance the catalytic activity of this complex by manipulating the second-coordination sphere of manganese and using relatively stronger acids to promote the protonation-first pathway. We report herein that the complex [fac-Mn(bpy-CONHMe)(CO)3(MeCN)]+ ([1-MeCN]+; bpy-CONHMe = N-methyl-(2,2′-bipyridine)-6-carboxamide) as a pre-catalyst could catalyze the electrochem. reduction of CO2 to CO with low overpotential and high activity and selectivity. Combined exptl. and computational studies reveal that the amide NH group not only decreases the overpotential of the Mn catalyst by promoting the dimer and protonation-first pathways in the presence of H2O but also enhances the CO2 electroreduction activity by facilitating C-OH bond cleavage, making [1-MeCN]+ an efficient CO2 reduction pre-catalyst at low overpotential.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

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 Design, synthesis, and validation of a novel [11C]promethazine PET probe for imaging Abeta using autoradiography, the main research direction is promethazine 11C preparation image Abeta autoradiog; Abeta; Alzheimer; PET imaging; autoradiography; promethazine.Recommanded Product: Silver(I) trifluoromethanesulfonate.

In this work, authors report the design and synthesis of a novel [11C]promethazine PET radioligand for future in vivo studies. The [11C]promethazine was isolated by RP-HPLC with radiochem. purity >95% and molar activity of 48 TBq/mmol. The specificity of the probe was demonstrated using human hippocampal tissues via autoradiog.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

Zhao, Yifan; Zhang, Jian; Guo, Juchen published an article about the compound: Silver(I) trifluoromethanesulfonate( cas:2923-28-6,SMILESS:O=S(C(F)(F)F)([O-])=O.[Ag+] ).Related Products of 2923-28-6. 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.

The implementation of a low electrolyte/sulfur (E/S) ratio is essential to achieving high specific energy for lithium‖sulfur (Li‖S) batteries. In reality, however, the lean electrolyte condition results in low achievable capacity and inferior cyclability. In this study, we probe the interfacial processes on the sulfur cathode under the lean electrolyte condition using operando electrochem. impedance spectroscopy (EIS) and a galvanostatic intermittent titration technique (GITT). The operando EIS reveals a significant and rapid increase in the charge-transfer resistance during the transition from high-order polysulfides to low-order ones at a low E/S ratio, which is induced by a kinetic bottleneck at the interphase due to Li-ion mass transfer limitation. The GITT results confirm the kinetic bottleneck by revealing a large discharge overpotential during the transition phase. We further demonstrate that improving the adsorption of dissolved high-order polysulfides, a key step in the interfacial processes, can alleviate the kinetic limitation, thus enhancing the achievable capacity under the lean electrolyte condition.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 2923-28-6, is researched, SMILESS is O=S(C(F)(F)F)([O-])=O.[Ag+], Molecular CAgF3O3SJournal, Article, Dalton Transactions called The effect of sodium thiosulfate on cytotoxicity of a diimine Re(I) tricarbonyl complex, Author is Capper, Miles S.; Enriquez Garcia, Alejandra; Lai, Barry; Wang, Baiwen O.; Gelfand, Benjamin S.; Shemanko, Carrie S.; Jalilehvand, Farideh, the main research direction is crystal structure rhenium bipyridine thiosulfate carbonyl; rhenium bipyridine thiosulfate carbonyl preparation breast cancer cytotoxicity.Application In Synthesis of Silver(I) trifluoromethanesulfonate.

Recently, diimine Re(I) tricarbonyl complexes have attracted great interest due to their promising cytotoxic effects. Here, the authors compare the cytotoxicity and cellular uptake of two Re(I) compounds fac-[Re(CO)3(bpy)(H2O)](CF3SO3) (1) and Na(fac-[Re(CO)3(bpy)(S2O3)])·H2O (bpy = 2,2′-bipyridine) (2). The Re-thiosulfate complex in 2 was characterized in two solvated crystal structures {Na(fac-[Re(CO)3(bpy)(S2O3)])·1.75H2O·EtOH}4 (2 + 0.75H2O + EtOH)4 and (fac-[Re(CO)3(bpy)(H2O)]) (fac-[Re(CO)3(bpy)(S2O3)])·4H2O (3). The cytotoxicity of 1 and 2 was tested in the MDA-MB-231 breast cancer cell line and compared with that of cisplatin. The cellular localization of the Re(I) complexes was studied using synchrotron-based x-ray fluorescence microscopy (XFM). Replacement of the aqua ligand with thiosulfate renders the complex less toxic most likely by disrupting its cellular entry. Therefore, thiosulfate could potentially have a similar chemoprotective effect against diimine fac-Re(CO)3 complexes as it has against cisplatin.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

Dunaj, Tobias; Dollberg, Kevin; Ritter, Christian; Dankert, Fabian; von Haenisch, Carsten published the article 《2,6-Diisopropylphenyl-Substituted Bismuth Compounds: Synthesis, Structure, and Reactivity》. Keywords: bismuth isopropylphenyl compound preparation crystal mol structure.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.

The 2,6-diisopropylphenyl (Dipp) substituent is introduced to diaryl Bi chem. Dipp2BiBr (1-Br) was prepared by a Grignard reaction and subsequently used as precursor for synthesis of the other diaryl halido bismuthanes Dipp2BiX (1-X, X = F, Cl, I) and the corresponding triflate Dipp2BiOTf (1-OTf). Also, 1,1,2,2-tetrakis(2,6-diisopropylphenyl)dibismuthane (2) was prepared All isolated compounds were characterized via single crystal x-ray diffraction anal., NMR spectroscopy, IR spectroscopy, and elemental anal. Also, the reactivity of a dibismuthane towards elemental S was studied, and the formed dibismuthanyl tri- and pentasulfide (3a, 3b) were characterized by single crystal x-ray anal. Functionalization of the diaryl halido bismuthanes with LiPtBu2 or tBu2PTMS (TMS = SiMe3) gives access to the interpnictogen compound Dipp2Bi-PtBu2 (4), which shows a rare example of a covalent Bi-P bond.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem

COA of Formula: CAgF3O3S. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Silver(I) trifluoromethanesulfonate, is researched, Molecular CAgF3O3S, CAS is 2923-28-6, about Trinuclear cationic silver nanoclusters based-on bis-(phosphine) ligands and stabilized by CF3SO3- anions. Author is Han, Chu-Xia; Shao, Zi-Mo; Li, Li; Zhou, Kun; Xue, Chun-Hui; Chen, Bao-Kuan; Ji, Jiu-Yu; Bi, Yan-Feng.

Three trinuclear silver nanoclusters, [Ag3(dppm)3(tBuCC)](CF3SO3)2 (1), [Ag3(dppm)3(CO3)(CH3OH)](CF3SO3)·H2O (2) and [Ag3(dppm)3(Cl)2](CF3SO3)·3DMF (3) (dppm = 1,2-bis-(diphenylphosphino)methane) were obtained and characterized by a series of techniques including single-crystal x-ray diffraction (SCXRD), Fourier transform IR spectrometry (FT-IR), powder x-ray diffraction (PXRD) and thermogravimetric anal. (TGA). In the three compounds, their main body skeletons are made up of similar Ag3 cores shaped in a silver triangle. All the three compounds consist of three silver atoms, three dppm bis-(phosphine) ligands, which are further stabilized by CF3SO3- anions. While the other auxiliary ligands, tBuCC-, CO32- and Cl- are sep. attached to similar Ag3 cores, making them structurally different. Moreover, the luminescence properties, photocurrent responses and electrochem. properties of compounds 1-3 have been investigated. The results indicate that different structures have a very important influence on their properties. The structure-activity relationship of silver cluster materials provides pos. guidance for further design and synthesis of functional silver cluster materials.

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Reference:
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 Enantioselective synthesis of 8-azabicyclo[3.2.1]octanes via asymmetric 1,3-dipolar cycloadditions of cyclic azomethine ylides using a dual catalytic system, published in 2019, which mentions a compound: 1260795-42-3, Name is Methyl 4-bromo-2-formylbenzoate, Molecular C9H7BrO3, COA of Formula: C9H7BrO3.

The first example of asym. 1,3-dipolar cycloadditions between diazo imine-derived cyclic azomethine ylides and acryloylpyrazolidinone using a rhodium(II) complex/chiral Lewis acid binary system is reported [e.g., diazo oxime I + pyrazolidinone II → III (95-97%, > 99:1 exo:endo, 97-99% ee)]. The asym. cycloadditions afforded optically active 8-azabicyclo[3.2.1]octanes with high diastereo- and enantioselectivities (up to >99 : 1 dr, 99% ee). A switch of exo/endo-selectivity was observed depending on the diazo substrates.

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Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem