Category: ruthenium-catalysts

Lu, Linhua; Yan, Hong; Sun, Peng; Zhu, Yan; Yang, Hailong; Liu, Defu; Rong, Guangwei; Mao, Jincheng published an article about the compound: 2-Chloro-6-nitrobenzo[d]thiazole( cas:2407-11-6,SMILESS:O=[N+](C1=CC=C2N=C(Cl)SC2=C1)[O-] ).Computed Properties of C7H3ClN2O2S. 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:2407-11-6) through the article.

Sonogashira-type cross-couplings of functionalized heterocyclic halides with terminal alkynes were performed efficiently at room temperature The heteroaryl halides were easily prepared from the corresponding heterocyclic compounds The catalytic system tolerated a very broad scope of substrates; oxazoles, thiazoles, and furans participate in this type of reaction for the first time. This reaction provides an efficient method for the direct functionalization of heterocycles.

There is still a lot of research devoted to this compound(SMILES：O=[N+](C1=CC=C2N=C(Cl)SC2=C1)[O-])Computed Properties of C7H3ClN2O2S, and with the development of science, more effects of this compound(2407-11-6) can be discovered.

Reference:
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

Recommanded Product: Quinolin-6-ylboronic acid. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Quinolin-6-ylboronic acid, is researched, Molecular C9H8BNO2, CAS is 376581-24-7, about Reaction scope and mechanistic insights of nickel-catalyzed migratory Suzuki-Miyaura cross-coupling. Author is Li, Yuqiang; Luo, Yixin; Peng, Long; Li, Yangyang; Zhao, Binzhi; Wang, Wang; Pang, Hailiang; Deng, Yi; Bai, Ruopeng; Lan, Yu; Yin, Guoyin.

In this work, a Ni-catalyzed migratory Suzuki-Miyaura cross-coupling featuring high benzylic or allylic selectivity has been developed. With this method, unactivated alkyl electrophiles and aryl or vinyl boronic acids can be efficiently transferred to diarylalkane or allylbenzene derivatives under mild conditions. Importantly, unactivated alkyl chlorides can also be successfully used as the coupling partners. To demonstrate the applicability of this method, showcase that this strategy can serve as a platform for the synthesis of terminal, partially deuterium-labeled mols. from readily accessible starting materials. Exptl. studies suggest that migratory cross-coupling products are generated from Ni(0/II) catalytic cycle. Theor. calculations indicate that the chain-walking occurs at a neutral nickel complex rather than a cationic one. In addition, the original-site cross-coupling products can be obtained by alternating the ligand, wherein the formation of the products has been rationalized by a radical chain process.

There is still a lot of research devoted to this compound(SMILES：OB(C1=CC=C2N=CC=CC2=C1)O)Recommanded Product: Quinolin-6-ylboronic acid, and with the development of science, more effects of this compound(376581-24-7) can be discovered.

Reference:
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

Johnson, Alice; Gimeno, M. Concepcion published an article about the compound: Copper(I) tetra(acetonitrile) tetrafluoroborate( cas:15418-29-8,SMILESS:[Cu+](N#CC)(N#CC)(N#CC)N#CC.[B+3]([F-])([F-])([F-])[F-] ).Application of 15418-29-8. 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:15418-29-8) through the article.

Yldiides have unique electronic properties and donor abilities, but as ligands in transition metal complexes they are scarcely represented in the literature. Here, the controlled synthesis of a series of polynuclear gold yldiide complexes derived from triphenyl(cyanomethyl)phosphonium bromide, [Ph3PCH2CN]Br, under mild conditions is described. Anionic dinuclear NBu4[(AuX)2{C(CN)PPh3}] (X = Cl, C6F5) or trinuclear derivatives NBu4[Au3X2{C(CN)PPh3}] bearing terminal chloride or pentafluorophenyl groups and bridging yldiide ligands have been prepared These compounds evolve in solution giving rise to the formation of an unprecedented tetrameric gold cluster, [Au4{C(CN)PPh3}4], by the loss of the gold complex NBu4[AuX2]. This gold cluster can also be prepared in high yield by a transmetalation reaction from the analogous tetrameric silver cluster, and two geometric isomers have been characterized, their formation dependent on the synthetic route. The triphenylphosphonium cyanomethyldiide ligand has also been used to build different dinuclear and trinuclear cationic complexes bearing phosphine or diphosphine ancillary ligands and bridging yldiide moieties. Further coordination through the cyano group of the yldiide ligand gives heterometallic trinuclear or pentanuclear derivatives Structural characterization of many of these compounds reveals the presence of complex mol. systems stabilized by gold···gold interactions and bridging yldiide ligands.

There is still a lot of research devoted to this compound(SMILES：[Cu+](N#CC)(N#CC)(N#CC)N#CC.[B+3]([F-])([F-])([F-])[F-])Application of 15418-29-8, and with the development of science, more effects of this compound(15418-29-8) can be discovered.

Reference:
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

van Nguyen, Quyen; Tefashe, Ushula; Martin, Pascal; Della Rocca, Maria Luisa; Lafolet, Frederic; Lafarge, Philippe; McCreery, Richard L.; Lacroix, Jean-Christophe published the article 《Molecular Signature and Activationless Transport in Cobalt-Terpyridine-Based Molecular Junctions》. Keywords: cobalt terpyridine mol junction activationless transport.They researched the compound: Tris(2,2′-bipyridine)ruthenium bis(hexafluorophosphate)( cas:60804-74-2 ).Electric Literature of C30H24F12N6P2Ru. 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:60804-74-2) here.

Cobalt terpyridine oligomers are compared with π-conjugated and ruthenium-centered layers in mol. junctions (MJs) with identical contacts. A wide range of layer thickness is investigated, and attenuation plots are obtained. Strong dependence of charge transport on mol. layers is found with a variation of four orders of magnitude of c.d. ( J) for different mols. and d = 7 nm. For a Ru(bpy)3 complex and bis-thienylbenzene MJs, the attenuation plot shows two different regions corresponding to two different dominant transport mechanisms. On the contrary Co(tpy)2 and viologen-based MJs show no transition thickness in the attenuation plot, indicating a possible change of mechanism with film thickness, and very low attenuation factors (β of 0.17 and 0.25 nm-1 from 2 to 14 nm, resp.). These β values indicate highly efficient long-range transport. This is attributed to the fact that the energy levels of the frontier orbital involved in transport are between, and thus almost in resonance with, the Fermi levels of the electrodes. Temperature-dependence measurements suggest that field ionization followed by multistep hopping and redox events can occur above 100 K, while the activationless region at low T indicates incoherent tunneling between redox sites with reorganization concerted with charge transfer.

There is still a lot of research devoted to this compound(SMILES：F[P-](F)(F)(F)(F)F.F[P-](F)(F)(F)(F)F.C1(C2=NC=CC=C2)=NC=CC=C1.C3(C4=NC=CC=C4)=NC=CC=C3.C5(C6=NC=CC=C6)=NC=CC=C5.[Ru+2])Electric Literature of C30H24F12N6P2Ru, and with the development of science, more effects of this compound(60804-74-2) can be discovered.

Reference:
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

Mosnacek, Jaroslav; Kundys, Anna; Andicsova, Anita published the article 《Reversible-deactivation radical polymerization of methyl methacrylate induced by photochemical reduction of various copper catalysts》. Keywords: methyl methacrylate copper catalyst atom transfer radical photo polymerization; UV visible light living controlled polymerization photochem reduction.They researched the compound: 2-Bromopropanenitrile( cas:19481-82-4 ).Synthetic Route of C3H4BrN. 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:19481-82-4) here.

Photochem. mediated reversible-deactivation radical polymerization of Me methacrylate was successfully performed using 50-400 ppm of various copper compounds such as CuSO4.5H2O, copper acetate, copper triflate and copper acetylacetonate as catalysts. The copper catalysts were reduced in situ by irradiation at wavelengths of 366-546 nm, without using any addnl. reducing agent. Bromopropionitrile was used as an initiator. The effects of various solvents and the concentration and structure of ligands were investigated. Well-defined polymers were obtained when at least 100 or 200 ppm of any catalyst complexed with excess tris(2-pyridylmethyl)amine as a ligand was used in DMSO as a solvent.

There is still a lot of research devoted to this compound(SMILES：CC(Br)C#N)Synthetic Route of C3H4BrN, and with the development of science, more effects of this compound(19481-82-4) can be discovered.

Reference:
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

Related Products of 376581-24-7. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: Quinolin-6-ylboronic acid, is researched, Molecular C9H8BNO2, CAS is 376581-24-7, about Synthesis of proline analogs via Rh-catalyzed asymmetric conjugate addition. Author is Edelstein, Emma K.; Rankic, Danica A.; Dudley, Caroline C.; McMinn, Spencer E.; Adpressa, Donovon A..

An enantio- and diastereoselective Rh-catalyzed conjugate addition reaction for the synthesis of proline analogs is reported. A high-throughput experimentation campaign was used to identify an efficient chiral catalyst which was able to afford the desired products in high yield and with high levels of diastereo- and enantioselectivity. This method was used to afford a range of 3-substituted proline derivatives from readily available dehydroproline electrophiles and boronic acid nucleophiles.

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Reference:
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

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.Duquenne, Celine; Gallagher, Timothy F.; Axten, Jeffrey M. researched the compound: Dirhodium(II) tetrakis(caprolactam)( cas:138984-26-6 ).COA of Formula: C24H40N4O4Rh2.They published the article 《A novel method for the 1,2-carbonyl transposition of pleuromutilins》 about this compound( cas:138984-26-6 ) in Tetrahedron Letters. Keywords: pleuromutilin keto preparation transposition; allylic oxidation reduction keto pleuromutilin preparation. We’ll tell you more about this compound (cas:138984-26-6).

A new and efficient 1,2-carbonyl transposition procedure for the formation of 2-keto pleuromutilin compounds, e.g. I, is described. The synthetic sequence is performed in four steps and 26% overall yield.

From this literature《A novel method for the 1,2-carbonyl transposition of pleuromutilins》,we know some information about this compound(138984-26-6)COA of Formula: C24H40N4O4Rh2, but this is not all information, there are many literatures related to this compound(138984-26-6).

Reference:
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Copper(I) tetra(acetonitrile) tetrafluoroborate(SMILESS: [Cu+](N#CC)(N#CC)(N#CC)N#CC.[B+3]([F-])([F-])([F-])[F-],cas:15418-29-8) is researched.Quality Control of 5-Iodo-2-furaldehyde. The article 《Comparative Study of the Supercapacitive Performance of Three Ferrocene-Based Structures: Targeted Design of a Conductive Ferrocene-Functionalized Coordination Polymer as a Supercapacitor Electrode》 in relation to this compound, is published in Chemistry – A European Journal. Let’s take a look at the latest research on this compound (cas:15418-29-8).

As redox-active based supercapacitors are known as highly desirable next-generation supercapacitor electrodes, the targeted design of two ferrocene-functionalized (Fc(COOH)2) clusters based on coinage metals, [(PPh3)2AgO2CFcCO2Ag(PPh3)2]2·7 CH3OH (SC1: super capacitor) and [(PPh3)3CuO2CFcCO2Cu(PPh3)3]·3 CH3OH (SC2), is reported. Both structures are fully characterized by various techniques. The structures are utilized as energy storage electrode materials, giving 130 F g-1 and 210 F g-1 specific capacitance at 1.5 A g-1 in Na2SO4 electrolyte, resp. The obtained results show that the presence of CuI instead of AgI improves the supercapacitive performance of the cluster. Further, to improve the conductivity, the PSC2 ([(PPh3)2CuO2CFcCO2]∞), a polymeric structure of SC2, was synthesized and used as an energy storage electrode. PSC2 displays high conductivity and gives 455 F g-1 capacitance at 3 A g-1. The PSC2 as a supercapacitor electrode presents a high power d. (2416 W kg-1), high energy d. (161 Wh kg-1), and long cycle life over 4000 cycles (93 %). These results could lead to the amplification of high-performance supercapacitors in new areas to develop real applications and stimulate the use of the targeted design of coordination polymers without hybridization or compositions with additive materials.

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Reference:
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

Synthetic Route of C8H12BCuF4N4. 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. Compound: Copper(I) tetra(acetonitrile) tetrafluoroborate, is researched, Molecular C8H12BCuF4N4, CAS is 15418-29-8, about Synthesis of an N, N-diethyl-tert-butylazothioformamide ligand and coordination studies with Copper(I) salts.

Redox-active azothioformamides ligands rapidly coordinate to transition metals and are excellent substrates for monitoring host-guest binding interaction mechanisms as they can exhibit unique coordination complexes while producing an increase in extinction coefficient upon addition of metal salt. Herein, an alkyl derivative, N,N-diethyl-t-butylazothioformamide, was synthesized and fully characterized, including x-ray crystallog. Crystalline coordination complexes were prepared with various copper(I) salts (CuBr, CuI and [(MeCN)4Cu]BF4) producing both 1:1μ-X dimers from copper(I) halides and a distorted tetrahedral 2:1 species with non-coordinative tetrafluoroborate salt. Bond distances and angles suggest neutrally bound alkyl azothioformamide ligands with copper(I), indicating no redox activity upon binding. UV-visible titration studies with copper(I) salts and subsequent data evaluation with both 1:1 and 2:1 non-linear regression binding models suggest inconsistent mechanisms with copper(I) salts.

From this literature《Synthesis of an N, N-diethyl-tert-butylazothioformamide ligand and coordination studies with Copper(I) salts》,we know some information about this compound(15418-29-8)Synthetic Route of C8H12BCuF4N4, but this is not all information, there are many literatures related to this compound(15418-29-8).

Reference:
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Dirhodium(II) tetrakis(caprolactam)(SMILESS: C12=O[Rh+2]3(O=C4[N-]5CCCCC4)([N-]6C(CCCCC6)=O7)[N-](CCCCC8)C8=O[Rh+2]357[N-]1CCCCC2,cas:138984-26-6) is researched.Synthetic Route of C7H13BrO2. The article 《Model Studies of the Stereoelectronic Effect in Rh(II) Mediated Carbenoid C-H Insertion Reactions》 in relation to this compound, is published in Journal of the American Chemical Society. Let’s take a look at the latest research on this compound (cas:138984-26-6).

Electronic effects of rhodium(II) catalyzed intramol. C-H insertion reactions of 1-methyl-1-(diazoacetyl)cyclohexane derivatives I (Y = H, D; R1 = OAc, OH, OSiMe2CMe3, N3, Me3SiCH2, MeO) were studied. The C-3 H/C-5 H insertion ratio is modulated by the electron donating or withdrawing capacity of the functional groups at C-3 and C-5. The general finding was that electron donating groups α to the C-H bond in question promote the insertion reaction. As well, the authors found that the ligands on the catalyst also affected product ratios. The more stabilized the carbene, i.e. with electron donating ligands, the more discriminating the regiochem. outcome. The authors were also able to demonstrate a deuterium kinetic isotope effect for the insertion reaction of I (Y = D, R1 = R2 = MeO).

From this literature《Model Studies of the Stereoelectronic Effect in Rh(II) Mediated Carbenoid C-H Insertion Reactions》,we know some information about this compound(138984-26-6)Synthetic Route of C24H40N4O4Rh2, but this is not all information, there are many literatures related to this compound(138984-26-6).

Reference:
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI