Category: 166330-10-5

166330-10-5, Name is (Oxybis(2,1-phenylene))bis(diphenylphosphine), molecular formula is C36H28OP2, belongs to chiral-phosphine-ligands compound, is a common compound. In a patnet, once mentioned the new application about 166330-10-5, Formula: C36H28OP2

Copper(I) complexes of phenanthrolineimidazole ligands: Structures, photophysical properties, and quantum chemical studies

Three copper(I) complexes, [Cu(PimP)(POP)]PF6 (1), [Cu(NimP)(POP)]PF6 (2), and [Cu(AimP)(POP)]PF6 (3) (PimP = 2-phenyl-1H-imidazo[4,5-f][1,10]phenanthroline, NimP = 2-(2-naphthyl-1H-imidazo[4,5-f]phenanthroline, AimP = 2-(9-anthryl)-1H-imidazo[4,5-f]phenanthroline, POP = bis[2-diphenylphosphino]-phenyl)ether) have been synthesized and characterized. Investigations into the effects of the varying substituents on the structural, absorption, and emission characteristics of the corresponding complexes are presented. Complexes 1 and 2 exhibit similar photophysical properties with the weaker lowest lying MLCT absorption at lambda > 400 nm and the phosphorescence 3MLCT/3LLCT emission in the range of 570-590 nm, whereas complex 3 shows different absorption and emission properties, in which the LLCT absorption band is overlapped with the structured absorption bands belonging to the characteristic peaks of the anthracene moiety, and the emitting excited state is described as the 3LLCT character. Density functional theory and time-dependent density functional theory calculations were employed to rationalize the photophysical properties of the complexes.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Formula: C36H28OP2. In my other articles, you can also check out more blogs about 166330-10-5

Reference£º
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

In an article, published in an article, once mentioned the application of 166330-10-5, Name is (Oxybis(2,1-phenylene))bis(diphenylphosphine),molecular formula is C36H28OP2, is a conventional compound. this article was the specific content is as follows.Computed Properties of C36H28OP2

A four-coordinate Cu(I)?N-heterocyclic carbene complex: Synthesis, structure, properties, and application in amination for the synthesis of 1-(2-N-heteroaryl)-1H-pyrazoles

A new luminescent, cationic, heteroleptic, four-coordinate Cu(I)?N-heterocyclic carbene complex [Cu(Br-Pyim)(POP)](PF6) is successfully prepared and characterized, where Br-Pyim and POP are 1-(6-bromopyridin-2-yl)imidazole-3-benzyl-2-ylidene and bis[2-(diphenylphosphino)phenyl]ether, respectively. Its detailed structure is determined by single-crystal X-ray analysis. It exists as a crystalline powder at room temperature and exhibits bright yellow-green emission. The use of the Cu(I)?N-heterocyclic carbene complex as a catalyst for amination reactions is also investigated and is found to be very efficient for the amination of 2-N-heteroaryl chlorides with pyrazoles, giving the desired substituted 1-(2-N-heteroaryl)-1H-pyrazoles in good yields.

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Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

In an article, published in an article, once mentioned the application of 166330-10-5, Name is (Oxybis(2,1-phenylene))bis(diphenylphosphine),molecular formula is C36H28OP2, is a conventional compound. this article was the specific content is as follows.category: chiral-phosphine-ligands

A 4, 5 – double-diphenyl phosphine – 9, 9 – dimethyl xanthene synthetic method (by machine translation)

The invention discloses a 4, 5 – double-diphenyl phosphine – 9, 9 – dimethyl xanthene compound synthesis method, which belongs to the field of organic synthesis. In the strong acid under the conditions of high temperature, the toluene solvent in, double (2 – diphenyl […]) ether and acetone reaction, synthesis of 4, 5 – double-diphenyl phosphine – 9, 9 – dimethyl xanthene compound. Few reaction steps of this invention, the operation is simple, high yield, is suitable for industrial production. (by machine translation)

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Reference£º
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

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Palladium-catalyzed decarboxylative coupling of quinolinone-3-carboxylic acids and related heterocyclic carboxylic acids with (Hetero)aryl halides

An efficient and practical decarboxylative cross-coupling reaction of quinolin-4(1H)-one 3-carboxylic acids with (hetero)aryl halides has been established. Under a bimetallic system of PdBr2 and silver carbonate, the protocol proved to be general, and a variety of 3-(hetero)aryl 4-quinolinones and related heterocycles, such as 3-aryl-1,8-naphthyridin-4(1H)- ones, 3-arylcoumarins, 3-arylquinolin-2(1H)-ones, and 2-arylchromones, can be prepared in good to excellent yields.

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Reference£º
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.166330-10-5, Name is (Oxybis(2,1-phenylene))bis(diphenylphosphine), molecular formula is C36H28OP2. In a Article£¬once mentioned of 166330-10-5, Computed Properties of C36H28OP2

Palladium-catalyzed vicinal amino alcohols synthesis from allyl amines by in situ tether formation and carboetherification

Vicinal amino alcohols are important structural motifs of bioactive compounds. Reported herein is an efficient method for their synthesis based on the palladium-catalyzed oxy-alkynylation, oxy-arylation, or oxy-vinylation of allylic amines. High regio- and stereoselectivity were ensured through the in situ formation of a hemiaminal tether using the cheap commercially available trifluoroacetaldehyde in its hemiacetal form. The obtained compounds are important building blocks, which can be orthogonally deprotected to give either free alcohols, amines, or terminal alkynes.

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Reference£º
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

Electric Literature of 166330-10-5, Chemistry can be defined as the study of matter and the changes it undergoes. You¡¯ll sometimes hear it called the central science because it is the connection between physics and all the other sciences, starting with biology.166330-10-5, Name is (Oxybis(2,1-phenylene))bis(diphenylphosphine), molecular formula is C36H28OP2. In a patent, introducing its new discovery.

Synthesis of novel nitrogen-containing polymers by Pd(0)-catalyzed polycondensation of propargylic carbonates and bifunctional nitrogen nucleophiles

A Pd(0)-catalyzed polycondensation of propargylic carbonates and bifunctional nitrogen nucleophiles was investigated. The polycondensation was carried out in THF at 80 C for 20 h in the presence of a Pd(0) catalyst. The Pd(0)-catalyzed polycondensation with bifunctional nitrogen nucleophiles proceeded successfully when bis[(2-diphenylphosphino)phenyl]ether (DPEphos) was used as the ligand. N-monoalkylated bifunctional benzenesulfonamides and pyromellitic diimide could be used in the polycondensation. Aliphatic and aromatic amines did not afford the corresponding polymers at all. The molecular weights of the obtained polymers were higher when propargylic carbonates having an aryl group on the acetylenic terminal carbon were used.

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Reference£º
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

Reference of 166330-10-5. Let¡¯s face it, organic chemistry can seem difficult to learn. Especially from a beginner¡¯s point of view. Like 166330-10-5, Name is (Oxybis(2,1-phenylene))bis(diphenylphosphine). In a document type is Review, introducing its new discovery.

Palladium-Catalyzed Cascade Cyclization/Alkynylation Reactions

Palladium-catalyzed cascade cyclization reactions have witnessed significant improvements in recent years. Among them, palladium-catalyzed cascade cyclization/alkynylation are especially attractive, which can assemble structurally diverse monocyclic, bicyclic, fused polycyclic, and spirocyclic skeletons with excellent chemoselectivities. In this Minireview, palladium-catalyzed cascade cyclization/alkynylation have been summarized and discussed in detail with focus on oxypalladation and aminopalladation-initiated cascade cyclization, intramolecular Heck-type cascade cyclization, carbocyclizations, cascade cyclizations, and other types of cascade cyclization reactions. Some significant and representative synthetic methodologies and their synthetic applications and reaction mechanisms have also been described.

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Reference£º
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments.Introducing a new discovery about 166330-10-5, Name is (Oxybis(2,1-phenylene))bis(diphenylphosphine), Formula: C36H28OP2.

Synthesis of (Z)-1-thio- and (Z)-2-thio-1-alkenyl boronates via copper-catalyzed regiodivergent hydroboration of thioacetylenes: An experimental and theoretical study

A Cu-catalyzed divergent hydroboration of thioacetylenes has been achieved, providing (Z)-1-thio- or (Z)-2-thio-1-alkenyl boronates in moderate to high yields with excellent regio- and stereoselectivity, by using pinacolborane or bis(pinacolato)diboron as the hydroborating reagents, respectively. DFT calculations indicate that the sulfur atom plays a key role in determining the regioselectivity through polarizing the C-C triple bonds and participating in the HOMO orbitals. Moreover, the SR group can serve as a good leaving group, resulting in the concise synthesis of six regio- and stereoisomers of trisubstituted alkenes 5 via the iterative cross-coupling of C-B and C-S bonds. Clearly, it will be valuable for assembling stereochemically diverse trisubstituted olefins in organic synthesis.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Formula: C36H28OP2. In my other articles, you can also check out more blogs about 166330-10-5

Reference£º
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

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Blue-light emission of Cu(I) complexes and singlet harvesting

Strongly luminescent neutral copper(I) complexes of the type Cu(pop)(NN), with pop = bis(2-(diphenylphosphanyl)phenyl)ether and NN = bis(pyrazol-1-yl) borohydrate (pz2BH2), tetrakis(pyrazol-1-yl)borate (pz4B), or bis(pyrazol-1-yl)-biphenyl-borate (pz2Bph 2), are readily accessible in reactions of Cu(acetonitrile) 4+ with equimolar amounts of the pop and NN ligands at ambient temperature. All products were characterized by means of single crystal X-ray diffractometry. The compounds exhibit very strong blue/white luminescence with emission quantum yields of up to 90%. Investigations of spectroscopic properties and the emission decay behavior in the temperature range between 1.6 K and ambient temperature allow us to assign the emitting electronic states. Below 100 K, the emission decay times are in the order of many hundreds of microseconds. Therefore, it is concluded that the emission stems from the lowest triplet state. This state is assigned to a metal-to-ligand charge-transfer state (3MLCT) involving Cu-3d and pop-pi* orbitals. With temperature increase, the emission decay time is drastically reduced to e.g. to 13 s (Cu(pop)(pz2Bph2)) at ambient temperature. At this temperature, the complexes exhibit high emission quantum yields, as neat material or doped into poly(methyl methacrylate) (PMMA). This behavior is assigned to an efficient thermal population of a singlet state (being classified as 1MLCT), which lies only 800 to 1300 cm-1 above the triplet state, depending on the individual complex. Thus, the resulting emission at ambient temperature largely represents a fluorescence. For applications in OLEDs and LEECs, for example, this type of thermally activated delayed fluorescence (TADF) creates a new mechanism that allows to harvest both singlet and triplet excitons (excitations) in the lowest singlet state. This effect of singlet harvesting leads to drastically higher radiative rates than obtainable for emissions from triplet states of Cu(I) complexes.

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Reference£º
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 166330-10-5, Name is (Oxybis(2,1-phenylene))bis(diphenylphosphine), molecular formula is C36H28OP2. In a Patent£¬once mentioned of 166330-10-5, Quality Control of: (Oxybis(2,1-phenylene))bis(diphenylphosphine)

NOVEL TRANSITION METAL COMPLEX AND PROCESS FOR PRODUCING OPTICALLY ACTIVE ALCOHOL WITH THE COMPLEX

A novel transition metal complex, preferably a ruthenium-phosphine complex or rhodium-phosphine complex, which is effectively usable in various asymmetric syntheses and, in particular, is more effectively usable in the asymmetric hydrogenation of various ketones; and a novel process for producing an optically active alcohol with the complex. The novel transition metal complex includes a ligand obtained by introducing a diarylphosphino group into each of the 2- and 2′-positions of diphenyl ether, benzophenone, benzhydrol, or the like. It preferably further includes an optically active 1,2-diphenylethylenediamine coordinated thereto. The complex preferably is a novel diphosphine-ruthenium-optically active diamine complex or diphosphine-rhodium-optically active diamine complex. The process comprises using the complex as an asymmetric hydrogenation catalyst to conduct the asymmetric hydrogenation of a ketone compound to thereby obtain an optically active alcohol in a high optical purity and a high yield.

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Reference£º
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate