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Diphosphines, sometimes called bisphosphanes, are organophosphorus compounds most commonly used as bidentate phosphine ligands in inorganic and organometallic...

Zoraida; van Leeuwen, Piet W. N. M. (2009). "Bite angle effects of diphosphines in C–C and C–X bond forming cross coupling reactions". Chemical Society...

apical-equatorial positions. Diphosphine ligands with bite angles of over 120° are obtained using a bulky, stiff diphosphine backbones. Diphosphines of wide bite angles...

protonate silyl enol ethers. Subsequent studies revealed that related diphosphines with a narrower dihedral angle between the aromatic faces give catalysts...

Zoraida; van Leeuwen, Piet W. N. M. (2009). "Bite angle effects of diphosphines in C–C and C–X bond forming cross coupling reactions". Chemical Society...

advances. Henri Kagan developed DIOP, an easily prepared C2-symmetric diphosphine that gave high ee's in certain reactions. Ryōji Noyori and co-workers...

a ferrocene moiety in its backbone, and is related to other bridged diphosphines such as 1,2-bis(diphenylphosphino)ethane (dppe). This compound is commercially...

Diphosphane, or diphosphine, is an inorganic compound with the chemical formula P2H4. This colourless liquid is one of several binary phosphorus hydrides...

form polymers; a few exceptions exist, such as the near-tetrahedral diphosphine and diarsine complexes [Ag(L–L)2]+. Under standard conditions, silver...

Zoraida; van Leeuwen, Piet W. N. M. (2009). "Bite angle effects of diphosphines in C–C and C–X bond forming cross coupling reactions". Chemical Society...

properties of diphosphines makes them especially useful in asymmetric catalysis, e.g. Noyori asymmetric hydrogenation. Several diphosphines have been developed...

A Josiphos ligand is a family of chiral diphosphine ligands that are used for asymmetric catalysis. They feature a 1,2-disubstituted ferrocene backbone...

formula (CH2PCl2)2. This colorless liquid is a precursor to chelating diphosphines. It is prepared by the reaction of ethylene, white phosphorus, and phosphorus...

diphosphines, the ⁠θi/2⁠ of the backbone is approximated as half the chelate bite angle, assuming a bite angle of 74°, 85°, and 90° for diphosphines with...

2-bis[di-(2-ethoxyethyl)phosphino]ethane ligands which belong to the group of diphosphines and which are referred to as tetrofosmin. Tc-99m tetrofosmin is rapidly...

Zoraida; van Leeuwen, Piet W. N. M. (2009). "Bite angle effects of diphosphines in C–C and C–X bond forming cross coupling reactions". Chemical Society...

The Trost ligand is a diphosphine used in the palladium-catalyzed Trost asymmetric allylic alkylation. Other C2-symmetric ligands derived from trans-1...

phosphorus atoms and have the formula PnHn+2. The highly flammable gas diphosphine (P2H4) is an analogue of hydrazine. Compounds with P-C and P-O-C bonds...

N-chelating ligands. Most phosphine ligands used in asymmetric catalysis are diphosphines, so the PHOX ligands are distinctive. Some evidence exists that PHOX...

trispyrazolylborates (Tp), cyclopentadienyl ligands (Cp), and many chelating diphosphines such as 1,2-bis(diphenylphosphino)ethane ligands (dppe). Varying the...

Phosphines of a more specialized nature are usually prepared by other routes. Diphosphines are also available in primary, secondary, and tertiary phosphorus substituents...

for H2 evolution. Azadiphosphacycloheptanes are a related family of diphosphines, but containing only one amine. They are prepared by condensation of...

coordination complex with the formula NiCl2(dppe); where dppe is the diphosphine 1,2-bis(diphenylphosphino)ethane. It is used as a reagent and as a catalyst...

one of the first demonstrations of the Kumada coupling using nickel diphosphine catalysts. This mild and efficient process contrasted with older methods...

are known, but the cis isomer is of primary interest. Classified as a diphosphine ligand, it is a bidentate ligand in coordination chemistry. For example...

compound having the chemical formula HP(PH2)2. It can be generated from diphosphine but is highly unstable at room temperature: 2 P2H4 → P3H5 + PH3 Samples...

containing phosphine ligands as the spectator ligands. Many of these diphosphine ligands, such as BINAP, contain arene rings and impart chirality from...

yields chirality in the reaction product. An early C2-symmetric ligand, diphosphine catalytic ligand DIPAMP, was developed in 1968 by William S. Knowles...

The tmeda ligand is easily displaced by bases such as bipyridine and diphosphines. Treatment of the complex with electrophilic alkenes results in elimination...

nonpolar organic solvents. The compound is used as a bulky and highly basic diphosphine ligand in coordination chemistry. Rouchet, Jean-Baptiste (2017). "1...

Zoraida; van Leeuwen, Piet W. N. M. (2009). "Bite angle effects of diphosphines in C–C and C–X bond forming cross coupling reactions". Chemical Society...

the French chemist Louis Jacques Thénard, used a cold trap to separate diphosphine from phosphine that had been generated from calcium phosphide, thereby...

the synthesis of pharmaceuticals and agrochemicals. For example, the diphosphine 1,1′-bis(diphenylphosphino)ferrocene (dppf) is a valued ligand for palladium-coupling...

leading to this ligand's invention, DuPont and (2) the compound is a diphosphine ligand type. Specifically it is classified as a C2-symmetric ligand,...

soluble in organic solvents. It is an example of a chiral C2-symmetric diphosphine ligand used in asymmetric hydrogenation. Many substituents have been...

catalyzed by Pd[C6H4(CH2PBu-t)2]2. Under similar conditions, other Pd-diphosphines catalyze formation of polyethyleneketone. Methyl propionate ester is...

undergo rapid pyramidal inversion. Most chiral phosphines are C2-symmetric diphosphines. Famous examples are DIPAMP and BINAP. These chelating ligands support...

Synthesis of l-DOPA via hydrogenation with C2-symmetric diphosphine....

organophosphorus compound with the formula C6H4(PPh2)2 (Ph = C6H5). Classified as a diphosphine ligand, it is a common bidentate ligand in coordination chemistry. It...

coordination complex with the formula NiCl2(dppp); where dppp is the diphosphine 1,3-bis(diphenylphosphino)propane. It is used as a catalyst in organic...

compounds. Described in 1971, it was the first example of a C2-symmetric diphosphine. Its complexes have been applied to the reduction of prochiral olefins...

Alkynylpalladium(IV) and -Platinum(IV) Species, Including Triorgano(diphosphine)metal(IV) Complexes and the Structural Study of an Alkynyl(pincer)platinum(IV)...

Mague, J. T.; Kraml, C. M.; Pascal Jr, R. A. (2013). "A Congested in, in-Diphosphine". Org. Lett. 15 (9): 2179–2181. doi:10.1021/ol400728m. PMID 23611689...

chiral catalyst and an achiral borane source is more common, e.g. chiral diphosphines such as BINAP. Styrene or its simple derivatives are usually the prochiral...

asymmetric reduction, these catalyst are made chiral by use of chiral diphosphine ligands. Rhodium catalyzed hydrogenation has also been used in the herbicide...

Christine M.; Wang, Xing-Po; Zhao, Quan-Qin; Tung, Chen-Ho; Sun, Di (2018). "Diphosphine-protected ultrasmall gold nanoclusters: Opened icosahedral Au13and heart-shaped...

C6H4(PCl2)2. This viscous colorless liquid is a precursor to chelating diphosphines of the type C6H4(PR2)2. It is prepared from 1,2-dibromobenzene by sequential...

Zoraida; van Leeuwen, Piet W. N. M. (2009). "Bite angle effects of diphosphines in C–C and C–X bond forming cross coupling reactions". Chemical Society...

Chiraphos is a chiral diphosphine employed as a ligand in organometallic chemistry. This bidentate ligand chelates metals via the two phosphine groups...

P=P bond cleaves giving phosphinidene compounds: RP=PR + L → 2 RP−L Diphosphines form a variety of coordination complexes. Diphosphenes can bind to transition...

Complementing traditional diphosphine-based Noyori catalysts are arene-Ru catalysts, which operate similarly. The stoichiometric asymmetric reduction...

1,2-Bis(dimethylphosphino)ethane (dmpe) is a diphosphine ligand in coordination chemistry. It is a colorless, air-sensitive liquid that is soluble in...

Synthesis of L-DOPA via hydrogenation with C2-symmetric diphosphine....

hydrogenation, the synthesis of the drug L-DOPA. DIPAMP is a C2-symmetric diphosphine. Each phosphorus centre, which is pyramidal, bears three different substituents...

form polymers; a few exceptions exist, such as the near-tetrahedral diphosphine and diarsine complexes [Ag(L–L)2]+. Under standard conditions, silver...

"Luminescent dinuclear copper(I) halide complexes double bridged by diphosphine ligands: Synthesis, structure characterization, properties and TD-DFT...

where L is a phosphine ligand. Common choices for L2 include bidentate diphosphine ligands such as dppe and dppp among others. Work by Alois Fürstner and...

fraction of methyl propionate is produced. In comparison, where chelating diphosphine ligands are used, this side-product is absent. This observation is rationalized:...

Synthesis of L-DOPA via hydrogenation with C2-symmetric diphosphine....

Pictet-Spengler reaction, the Curtius rearrangement, and chiral rhodium-based diphosphine-catalyzed enantioselective hydrogenation. A separate synthetic process...

Daniel L. DuBois on mechanistic studies of H2 oxidation with nickel bis(diphosphine) complexes. In 2009, she was hired as a senior staff scientist at PNNL...

1,2-Bis(diisopropylphosphino)ethane (dippe) is a commonly used bidentate ligand in coordination chemistry. An efficient synthesis from the parent phosphine...

Rakowski DuBois, M. (2010). "Hydrogen oxidation catalysis by a nickel diphosphine complex with pendant tert-butyl amines". Chem. Commun. 46 (45): 8618–8620...

solubilizes potassium hydride. Other distinctive compounds include the diphosphine 1,8-bis(diphenylphosphino)naphthalene (dppn) and the disulfide, both...

3-0-isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane, a new chiral diphosphine". Journal of the American Chemical Society. 94 (18): 6429–6433. Bibcode:1972JAChS...

phosphorus trifluoride phosphorus pentafluoride Related compounds diphosphane diphosphines Except where otherwise noted, data are given for materials in their standard...

releases diphosphine (P2H4): Ca2P2 + 4 H2O → 2 Ca(OH)2 + P2H4 The hydrolyses of CaP and calcium carbide (CaC2) are similar, except that diphosphine spontaneously...

Pullarkat, S. A.; Leung, P. H. (2011). "Direct Synthesis of Chiral Tertiary Diphosphines via Pd(II)-Catalyzed Asymmetric Hydrophosphination of Dienones". Organic...

tetrachloride with the trimethylsilyl precursor, (Ph2P)2CH-SiMe3. Methylene diphosphines such as bis(bis(dialkylaminophosphino))methane can be reacted with hexafluoroacetone...

"Formation of large chelate rings and cyclometallated products from diphosphines of type But2P(CH2)nPBut2 (n= 5–8) and Ph2P(CH2)5PPh2 with palladium and...

hydridic hydrogen, and hydroformylation reaction catalyzed by chelating diphosphines with large P-M-P angles. Casey had been a member of the faculty of the...

and alkynes. Oxidation with oxygen or sulfur gives the corresponding diphosphine dioxide or disulfide. Tam, Eric C. Y.; Maynard, Nicola A.; Apperley,...

Phosphorus halides phosphorus triiodide Related compounds diphosphane diphosphines Except where otherwise noted, data are given for materials in their standard...

flammability of silane produced by hydrolysis by this method (analogously diphosphine is often the spontaneously pyrophoric contaminant in samples of phosphine)...

solution as a precipitate of sodium chloride: FeHCl(diphosphine)2 + NaB(C6H5)4 + N2 → [FeH(N2)(diphosphine)2]B(C6H5)4 + NaCl The use of tetraphenylborate is...

SPANphos is an organophosphorus compound used as a ligand in organometallic and coordination chemistry. The compound is a rare example of a trans-spanning...

"Palladium-catalysed methoxycarbonylation of ethene with bidentate diphosphine ligands: a density functional theory study". Physical Chemistry Chemical...

Shaw, Wendy J.; Bullock, R. Morris (2022). "Molecular Catalysts with Diphosphine Ligands Containing Pendant Amines". Chemical Reviews. 122 (14): 12427–12474...

carbon (II) starting materials.  Reacting a carbon (IV) or carbon (II) diphosphine salt with a strong base such as sodium hydride or sodium amide can deprotonate...

acid-derived chiral ligands were synthesized such as monophosphines, diphosphines, and then Rhodium(I) complexes with them. The complexes were used for...

SEGPHOS is a chiral ligand developed by Takasago International Corporation that is used in asymmetric synthesis. It was developed after BINAP and was investigated...

In homogeneous catalysis, MACHO catalysts are metal complexes containing MACHO ligands, which are of the type HN(CH2CH2PR2)2, where R is typically phenyl...

Richard J. Puddephatt (2000). "Luminescent gold(I) macrocycles with diphosphine and 4,4-bipyridyl ligands". J. Chem. Soc., Dalton Trans. (24): 4601–4606...

1,1'-ferrocenetrisulfide), chlorophosphines, and chlorosilanes. The diphosphine ligand 1,1'-bis(diphenylphosphino)ferrocene (dppf) is prepared by treating...

described. Both conversions employed rhodium catalysts and a chiral diphosphine ligand. In one application the ligand is Me-DuPhos: Smith (2020), March's...

Structure of Ni(diphosphine)(η2-PhCN)...

Space-filling model dinitrogen hydride hydrazine (diazane) N2H4 diphosphorus hydride diphosphine (diphosphane) P2H4 diarsenic hydride diarsine (diarsane) As2H4...

Leeuwen, Piet W. N. M.; Vogt, Dieter (1997). "Application of chelating diphosphine ligands in the nickel-catalysed hydrocyanation of alk-l-enes & ω-unsaturated...

these elements, but most studies have concentrated on the mono- and diphosphine ligands. These ligands can be further classified based on the nature...

(2004). "High yield synthesis and structures of some achiral and chiral (diphosphine)tetracarbonylchromium(0) chelate complexes with tetracarbonyl(norbornadiene)chromium(0)...

isoxazoline-modified fullerene. C60 forms stable complexes of the type M(C60)(diphosphine)(CO)3 for M = Mo, W. A dirhenium complexes is known with the formula...

Equilibria and Homeomorphic Isomerization in Macrobicyclic Dibridgehead Diphosphines P((CH2)n)3P Newly Accessible by Earth-Abundant-Metal Templates". Chemistry:...

(1998). "Kinetic Study of Reductive Elimination from the Complexes (Diphosphine)Pd(R)(CN)". J. Am. Chem. Soc. 120 (33): 8527–8528. Bibcode:1998JAChS...

aryl–triflate bond into the palladium(0) complex in the presence of chiral diphosphine ligand (S)-binap yields chiral palladium(II) complex 77. This step is...

for the asymmetric intramolecular Pauson-Khand reaction. The chiral diphosphine Josiphos provides the asymmetry. Despite the unique approach, the clusters...

Richard J. Puddephatt (2000). "Luminescent gold(I) macrocycles with diphosphine and 4,4-bipyridyl ligands". J. Chem. Soc., Dalton Trans. (24): 4601–4606...

trimethylarsine. Work on diars preceded the development of the chelating diphosphine ligands such as dppe, which are now prevalent in homogeneous catalysis...

Kenneth G. (2005). "Thegem-Dialkyl Effect as a Test for Preliminary Diphosphine Chelate Opening in a Reductive Elimination Reaction†". Organometallics...

with similar form to Lappert, Power and co-workers' "jack-in-the-box" diphosphines. This is made by the synthesis of the radical precursor ClP[NV{N(Np)Ar}]3]2...

(November 1995). "Mono- and Binuclear Rhodium Complexes of a Chiral 1,1-Diphosphine. Syntheses and Crystal Structures". Organometallics. 14 (11): 4983–4985...

Nedaossadat; Reddy, T. Srinivasa; Bhargava, Suresh K. (June 2019). "Advances in diphosphine ligand-containing gold complexes as anticancer agents". Coordination...

BINAP (2,2'-diphenylphosphino-1,1'-binaphthyl) is a family of chiral diphosphine ligands featuring two triarylphosphine moieties installed on a binaphthalene...

(2018-11-05). "Ligand-Centered Borenium Reactivity in Triaminoborane-Bridged Diphosphine Complexes". Inorganic Chemistry. 57 (21): 13188–13200. doi:10.1021/acs...

Majumdar et al. reported the isolation of an Sb(I) cation stabilized with a diphosphine ligand. In this synthesis, SbCl3, the bis(phosphine) ligand, and trimethylsilyl...

dinuclear rhodium(II) carboxylate, amidate, or phosphate, and ruthenium(II) diphosphine complexes have also exhibited strong enantiocontrol in diazo-mediated...

(1983-07-05). "Cationic rhodium hydrogenation catalysts containing chelating diphosphine ligands: effect of chelate ring size". Journal of Organometallic Chemistry...

E. (2014). "Two-Photon Circular Dichroism of an Axially Dissymmetric Diphosphine Ligand with Strong Intramolecular Charge Transfer". J. Phys. Chem. 118...

the University of Toronto, he developed a rational approach to chiral diphosphine ligands, the premier member being chiraphos. Unlike previous chiral ligands...