Tag: M.W:300-400

HPLC of Formula: 1663-45-2. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 1,2-Bis(diphenylphosphino)ethane, is researched, Molecular C26H24P2, CAS is 1663-45-2, about Fully solvated, monomeric Re(II) complexes: insights into the chemistry of [Re(NCCH3)6]2+. Author is Bolliger, Robin; Meola, Giuseppe; Braband, Henrik; Blacque, Olivier; Siebenmann, Lukas; Nadeem, Qaisar; Alberto, Roger.

The oxidation of [Re(η6-C10H8)2]+ with Ag(I) in MeCN yields [Re(NCCH3)6]2+. This fully solvated ReII compound was characterized by spectroscopic methods and x-ray structure analyses. [Re(NCCH3)6]2+ acts as a precursor complex for a variety of substitution reactions. Treatment with monodentate tri-Ph phosphine (PPh3) and bidentate 1,2-bis(diphenylphosphino)ethane (dppe) yields the ReI complexes [trans-Re(PPh3)2(NCCH3)4]2+ and [trans-Re(dppe)2(NCCH3)2]+, resp. [Trans-Re(dppe)2(NCCH3)2]+ is oxidized under mild conditions by AgI to its ReII analog [trans-Re(dppe)2(NCCH3)2]2+. Reactions of [Re(NCCH3)6]2+ with a halide mixture consisting of NaX and AgX (X = Cl, I) gave the corresponding ReIII complexes [trans-ReX2(NCCH3)4]+. [Trans-ReBr2(NCCH3)4]+ can be obtained directly from [Re(η6-C10H8)2]+ by oxidation with FeBr3 in MeCN. The title compound is thus a convenient starting material for ReII and ReIII complexes by simple solvent exchange, which are otherwise difficult to access.

Here is just a brief introduction to this compound(1663-45-2)HPLC of Formula: 1663-45-2, more information about the compound(1,2-Bis(diphenylphosphino)ethane) is in the article, you can click the link below.

Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

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: 1663-45-2, is researched, SMILESS is P(CCP(C1=CC=CC=C1)C2=CC=CC=C2)(C3=CC=CC=C3)C4=CC=CC=C4, Molecular C26H24P2Journal, Inorganic Chemistry Communications called Hydrogen storage capacity of novel mixed ligand complexes of lead(II): Molecular structure of [Pb2(tsac)4(μ-dppe)], Author is Al-Jibori, Subhi A.; Amen, Mohamed M.; Alheety, Mustafa A.; Karadag, Ahmet; Wagner, Christoph, the main research direction is lead phosphino aminobenzothiophene acetamidopyrimidine benzimidazolethiol hiosaccharinato complex preparation; crystal structure gas adsorption lead phosphino hiosaccharinato complex.Related Products of 1663-45-2.

[Pb(tsac)2H2O] was used as a synthon for the synthesis of lead(II) thiosaccharinate mixed ligand complexes with the tertiary phosphines; PPh3, Ph2P(CH2)nPPh2, n = 1, dppm; n = 2, dppe; n = 3, dppp or the heterocyclic; 2-aminobenzothiophene (abtH), 2-acetamidopyrimidine (aampH) and 2-benzimidazolethiol (bimsH). The prepared complexes were characterized using; IR, 1H-, 31P-{1H} NMR, molar conductivity, elemental anal. in addition, the crystal structure of [Pb2(tsac)4(μ-dppe)] was resolved by x-ray diffraction anal. of a single crystal. [Pb2(tsac)4(μ-dppe)] crystallizes in the triclinic space group P-1 a 9.0955(5), b 11.4197(6), c 15.3174(7) Å, Z = 2 and refined to R1 = 0.0422. Herein, thiosaccharine shows the ability to coordinate to lead(II) center in a variety of modes, which are monodentate, chelate- bidentate via a nitrogen atom and/ or a sulfur atom of the thiole group. Also, [Pb(tsac)2H2O] and [Pb2(tsac)4(μ-dppe)] were used to examine their ability to store hydrogen. [Pb(tsac)2H2O] and [Pb2(tsac)4(μ-dppe)] are able to store 0.29 and 1.12% H2, resp.

Compound(1663-45-2)Related Products of 1663-45-2 received a lot of attention, and I have introduced some compounds in other articles, similar to this compound(1,2-Bis(diphenylphosphino)ethane), if you are interested, you can check out my other related articles.

Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

Safety of 1,2-Bis(diphenylphosphino)ethane. 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: 1,2-Bis(diphenylphosphino)ethane, is researched, Molecular C26H24P2, CAS is 1663-45-2, about A Series of Mixed-Ligand Cu(I) Complexes Comprising Diphosphine-Disulfide Ligands: Effects of Diphosphine Ligands on Luminescent Properties. Author is Yamazaki, Yasuomi; Tsukuda, Toshiaki; Furukawa, Shota; Dairiki, Ayumi; Sawamura, Shota; Tsubomura, Taro.

Mixed-ligand Cu(I) complexes have attracted attention as alternatives to the noble- and/or rare-metal complexes, because of their remarkable photofunctions. To develop mixed-ligand Cu(I) complexes with rich photofunctions, an investigation of a suitable combination of ligands has captured more and more research interests. Herein, we report the first examples of emissive heteroleptic diphosphine-disulfide Cu(I) complexes combined with diphosphine ligands. The systematic study using a series of diphosphine ligands revealed that large π-conjugated bridging moieties between the two P atoms in the diphosphine ligands result in higher light-emission performance. When the diphosphine ligand was (R)-BINAP ((R)-BINAP = (R)-(+)-2,2′-bis(diphenylphosphino)-1,1′-binaphthyl), the Cu(I) complex had an emission quantum yield (Φem) of 0.13 and a long emission lifetime (τem = 118μs). Luminescent diphosphine-disulfide Cu(I) complexes were successfully synthesized by combining with diphosphine ligands that had large π-conjugated bridging moieties.

From this literature《A Series of Mixed-Ligand Cu(I) Complexes Comprising Diphosphine-Disulfide Ligands: Effects of Diphosphine Ligands on Luminescent Properties》,we know some information about this compound(1663-45-2)Safety of 1,2-Bis(diphenylphosphino)ethane, but this is not all information, there are many literatures related to this compound(1663-45-2).

Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

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: 1663-45-2, is researched, Molecular C26H24P2, about A Geometrically Constrained Tricyclic Phosphine: Coordination, Ring Expansion by Insertion of CO into a P-C Bond, and Lewis Acid Initiated Formation of an Oligocyclic Molecule with a P2C22 backbone, the main research direction is molybdenum carbonyl tricyclic phosphine preparation crystal structure; tungsten carbonyl tricyclic phosphine preparation crystal structure; chromium carbonyl tricyclic phosphine preparation crystal structure; aluminum tricyclic phosphine oligocyclic barrelane preparation crystal structure; crystal structure molybdenum chromium tungsten tricyclic phosphine aluminum barrelane; mol structure molybdenum chromium tungsten tricyclic phosphine aluminum barrelane.Recommanded Product: 1663-45-2.

The geometrically constrained tricyclic phosphine 3b has two annulated five-membered PC4 heterocycles with the P atom in a bridgehead position. Treatment with (THF)M(CO)5 (M = Cr, Mo, and W) afforded M(CO)5 complexes 4-6, of which the Cr and Mo compounds showed in heat the unusual insertion of a carbonyl C atom into a P-C bond of one of the strained PC4 rings. Ring expansion yielded a six-membered PC5 heterocycle with an exocyclic C:O group and afforded new phosphine ligand 8 that contains annulated five- (1x) and six-membered (2x) rings. Its Mo complex (7) was obtained by treatment of starting phosphine 3b with excess Mo(CO)6 in hot toluene. Phosphine 8 was removed from the metal atom by addition of the diphosphine Ph2PC2H4PPh2. Treatment of 8 with AlBr3 resulted in enolization and an increased nucleophilicity of the β-C atom, which causes dimerization by P-C bond formation to yield a barrelane type mol. (9).

From this literature《A Geometrically Constrained Tricyclic Phosphine: Coordination, Ring Expansion by Insertion of CO into a P-C Bond, and Lewis Acid Initiated Formation of an Oligocyclic Molecule with a P2C22 backbone》,we know some information about this compound(1663-45-2)Recommanded Product: 1663-45-2, but this is not all information, there are many literatures related to this compound(1663-45-2).

Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

Category: chiral-nitrogen-ligands. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 1,2-Bis(diphenylphosphino)ethane, is researched, Molecular C26H24P2, CAS is 1663-45-2, about New Hydrazide based Tricyclic Pentacoordinate Siliconium Ions -A Facile Route to the Synthesis of Spherical Shaped Sr5(PO4)2SiO4. Author is Suman, Pothini; Bhat, Haamid R.; Janardan, Sannapaneni; Bortamuli, Sidhartha Protim; Jha, Prakash C.; Sivaramakrishna, Akella.

Hydrazide based phosphine linkers were prepared by the condensation reaction of hydrazide of the type RC(O)NHNH2 (R = t-BuPh) with dppe (1,2-bis (diphenylphosphino)ethane) to produce the corresponding product of the type RCONHN=PPh2CH2CH2PPh2 = NNHCOR. The silylation product RC (OSiMe3) = N-N=PPh2-CH2CH2PPh2 = N-N=C (OSiMe3)R derived from RCONHN=PPh2CH2CH2PPh2 = NNHCOR reacts with halosilanes to yield novel hypercoordinate silicon (IV) complexes. All the products are well characterized by the spectroscopic and anal. data. The DFT calculations indicate that both charge d. and electronegativity of the atoms surrounding a magnetically active nucleus have an effect on the chem. shift values. An increase in the electronegativity of the substituted atoms is reflected by the natural hybrids, which causes deshielding of the magnetic Si and P nuclei from the external magnetic field to an increasing level. As a consequence of this, the 29Si and 31P NMR chem. shifts increase for the hypercoordinate silicon (IV) complexes thus augmenting the exptl. interpretations. Since the phosphorus hydrazide based hypercoordinate Si (IV) complexes are the rich sources of P, and Si directly from a single mol., the present work also demonstrates the preparation of spherically shaped strontium phosphosilicate (Sr5(PO4)2SiO4) by the sol-gel method.

Compound(1663-45-2)Category: chiral-nitrogen-ligands received a lot of attention, and I have introduced some compounds in other articles, similar to this compound(1,2-Bis(diphenylphosphino)ethane), if you are interested, you can check out my other related articles.

Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

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 Synthesis and X-ray crystallography of nonanuclear cobalt cluster and mononuclear cobalt complex: Effect of phosphine on the formation of cobalt complexes, published in 2020-11-15, which mentions a compound: 1663-45-2, Name is 1,2-Bis(diphenylphosphino)ethane, Molecular C26H24P2, Reference of 1,2-Bis(diphenylphosphino)ethane.

Nonanuclear complex [Co{Co4(μ4-O)(1-methylimidazole-2-thiolate)6}2](BF4)2 (1) and mononuclear complex [Co(bis(1-methyl-imidazol-2-yl)disulfide)2](BF4)2 (2) were synthesized using almost the same method and characterized by X-ray diffraction study. Although almost the same method was used during synthesis, the presence and absence of phosphine produced the nonanuclear complex and mononuclear complex, resp. In addition, the mononuclear complex has bis(1-methyl-imidazol-2-yl)disulfide that can be obtained from the oxidation of 1-methylimidazole-2-thiolate ligand. Therefore, phosphine ligand could prevent the oxidation of 1-methylimidazole-2-thiolate ligand.

Compound(1663-45-2)Reference of 1,2-Bis(diphenylphosphino)ethane received a lot of attention, and I have introduced some compounds in other articles, similar to this compound(1,2-Bis(diphenylphosphino)ethane), if you are interested, you can check out my other related articles.

Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 1,2-Bis(diphenylphosphino)ethane, is researched, Molecular C26H24P2, CAS is 1663-45-2, about Synthesis, spectral and structural studies on NiS2PN and NiS2P2 chromophores and use of Ni(II) dithiocarbamate to synthesize nickel sulfide and nickel oxide for photodegradation of dyes.Application In Synthesis of 1,2-Bis(diphenylphosphino)ethane.

The substitution of one of the dithiocarbamate ligands in homoleptic [Ni(dtc)2] (1) complex (dtc = N,N-di(4-methoxybenzyl)dithiocarbamate) with phosphine ligands gave heteroleptic [Ni(dtc)(PPh3)(NCS)] (2), [Ni(dtc)(PPh3)2] ClO4 (3) and [(dtc)(dppe)] ClO4 (4) complexes. The complexes 2-4 were characterized by elemental anal., spectroscopy and single crystal x-ray diffraction anal. Single crystal x-ray diffraction studies revealed that 2-4 adopt distorted square planar geometry. Noncovalent interactions in 2-4 were quantified using Hirshfeld surface anal. The study of single crystal x-ray diffraction of 2-4 shows that various interactions such as C-H···π (chelate), C-H···π, C-H···O and C-H···S among mols. of complexes 2-4, participate in cooperative way to stabilize the supramol. interactions. DFT calculations were used to determine the electronic structure and properties of 2. The HOMO-LUMO energy difference (2.7445 eV) is small which shows the low kinetic stability of 2. Nanoparticles of Ni sulfide and Ni oxide were successfully synthesized by solvothermal and thermal decomposition of 1, resp. and characterized by powder x-ray diffraction (PXRD), High Resolution SEM (HRSEM), Energy Dispersive Spectroscopy (EDS) and UV Diffuse Reflectance Spectroscopy (UV-DRS). The photocatalytic activity of both nanoparticles was studied for degradation of methylene blue and rhodamine 6G under UV irradiation The Ni oxide has higher photocatalytic activity than Ni sulfide.

When you point to this article, it is believed that you are also very interested in this compound(1663-45-2)Application In Synthesis of 1,2-Bis(diphenylphosphino)ethane and due to space limitations, I can only present the most important information.

Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

Application of 1663-45-2. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 1,2-Bis(diphenylphosphino)ethane, is researched, Molecular C26H24P2, CAS is 1663-45-2, about Heterobimetallic μ2-carbido complexes of platinum and tungsten. Author is Burt, Liam K.; Hill, Anthony F..

The W-Pt μ-carbido complex [WPt(μ-C)Br(CO)2(PPh3)2(Tp*)] (Tp* = hydrotris(dimethylpyrazol-1-yl)borate) undergoes facile substitution of both bromide and phosphine ligands to afford a diverse library of μ-carbido complexes that includes [WPt(μ-C)Br(CO)2(dppe)(Tp*)], [WPt(μ-C)(NCMe)(CO)2(PPh3)2(Tp*)]OTf, [WPt(μ-C)(S2CNEt2)(CO)2(PPh3)(Tp*)], [WPt(μ-C)(bipy)(CO)2(PPh3)(Tp*)]PF6, [WPt(μ-C)(phen)(CO)2(PPh3)(Tp*)]PF6, [WPt(μ-C)(terpy)(CO)2(Tp*)]PF6, [WPt(μ-C)(CO)2(PPh3)(Bp*)(Tp*)], [WPt(μ-C)(CO)2(PPh3)(Tp*)2] and [WPt(μ-C)(bipy)(CO)2(PPh3)(Bm)(Tp*)], most of which were structurally characterized.

When you point to this article, it is believed that you are also very interested in this compound(1663-45-2)Application of 1663-45-2 and due to space limitations, I can only present the most important information.

Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

Tang, Cen; Ku, Kang Hee; Lennon Luo, Shao-Xiong; Concellon, Alberto; Wu, You-Chi Mason; Lu, Ru-Qiang; Swager, Timothy M. published an article about the compound: 1,2-Bis(diphenylphosphino)ethane( cas:1663-45-2,SMILESS:P(CCP(C1=CC=CC=C1)C2=CC=CC=C2)(C3=CC=CC=C3)C4=CC=CC=C4 ).COA of Formula: C26H24P2. 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:1663-45-2) through the article.

The capping reagent plays an essential role in the functional properties of gold nanoparticles (AuNPs). Multiple stimuli-responsive materials are generated via diverse surface modification. The ability of the organic ligand shell on a gold surface to create a porous shell capable of binding small mols. is demonstrated as an approach to detect mols., such as methane, that would be otherwise difficult to sense. Thiols are the most studied capping ligands of AuNPs used in chemiresistors. Phosphine capping groups are usually seen as stabilizers in synthesis and catalysis. However, by virtue of the pyramidal shape of triarylphosphines, they are natural candidates to create intrinsic voids within the ligand shell of AuNPs. In this work, surface-functionalized (capped) AuNPs with chelating phosphine ligands are synthesized via two synthetic routes, enabling chemiresistive methane gas detection at sub-100 ppm levels. These AuNPs are compared to thiol-capped AuNPs, and studies were undertaken to evaluate structure-property relationships for their performance in the detection of hydrocarbons. Polymer overcoatings applied to the conductive networks of the functionalized AuNP arrays were shown to reduce resistivity by promoting the formation of conduction pathways with decreased core-core distance between nanoparticles. Observations made in the context of developing methane sensors provide insight relevant to applications of phosphine or phosphine-containing surface groups in functional AuNP materials.

In some applications, this compound(1663-45-2)COA of Formula: C26H24P2 is unique.If you want to know more details about this compound, you can contact with the author or consult more relevant literature.

Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

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 Syntheses and material applications of Ru(II)(bisphosphine)2 alkynyls, published in 2021-10-15, which mentions a compound: 1663-45-2, Name is 1,2-Bis(diphenylphosphino)ethane, Molecular C26H24P2, COA of Formula: C26H24P2.

A review. Described in this review are the synthetic methods to produce both mono- and bis-alkynyl Ru(II)(L-L)2 type complexes, where L-L is dppe, dppm, or dmpe. This synthetic tool kit encompasses reactions utilizing trimethylstannyl capped reagents, Ru-alkyl starting materials, or the 16 e- [RuCl(dppe)2]+ intermediate to produce the desired Ru(II)(L-L)2 alkynyl complexes. Advantages and drawbacks of each synthetic approach are touched upon. A brief overview of material applications of these complexes is also provided, highlighting their promises as efficient non-linear optical materials, wire-like mols., mol. wires and switches, and active mols. in dye-sensitized solar cells.

In some applications, this compound(1663-45-2)COA of Formula: C26H24P2 is unique.If you want to know more details about this compound, you can contact with the author or consult more relevant literature.

Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis