Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
Tricyclohexylphosphine is the tertiary phosphine with the formula P(C6H11)3. Commonly used as a ligand in organometallic chemistry, it is often abbreviated to PCy3, where Cy stands for cyclohexyl. It is characterized by both high basicity (pKa = 9.7)[1] and a large ligand cone angle (170°).[2][3]
Important complexes containing P(Cy)3 ligands include the 2005 Nobel Prize-winning Grubbs' catalyst and the homogeneous hydrogenation catalyst Crabtree's catalyst.
Grubbs' catalyst (first generation)
Crabtree's catalyst
^Streuli, C. A. (1960). "Determination of Basicity of Substituted Phosphines by Nonaqueous Titrimetry". Anal. Chem. 32 (8): 985–987. doi:10.1021/ac60164a027.
^Bush, R. C.; Angelici, R. J. (1988). "Phosphine basicities as determined by enthalpies of protonation". Inorg. Chem.27 (4): 681–686. doi:10.1021/ic00277a022.
^Immirzi, A.; Musco, A. (1977). "A Method to Measure the Size of Phosphorus Ligands in Coordination Complexes". Inorg. Chim. Acta. 25: L41–42. doi:10.1016/S0020-1693(00)95635-4.
and 17 Related for: Tricyclohexylphosphine information
Tricyclohexylphosphine is the tertiary phosphine with the formula P(C6H11)3. Commonly used as a ligand in organometallic chemistry, it is often abbreviated...
4-di-tert-butylphenyl)phosphite, a widely used stabilizer in polymers. Tricyclohexylphosphine, a bulky phosphine ligand used in homogeneous catalysis and, with...
catalyst. It is synthesized from RuCl2(PPh3)3, phenyldiazomethane, and tricyclohexylphosphine in a one-pot synthesis. The first-generation Grubbs catalyst was...
macrocyclic ligand see also the N,N′,N″-trimethylated analogue Tricyclohexylphosphine P(C6H11)3 or PCy3 neutral monodentate Triethylenetetramine (trien)...
example, many FLPs split hydrogen molecules. Thus, a mixture of tricyclohexylphosphine (PCy3) and tris(pentafluorophenyl)borane reacts with hydrogen to...
cone angle of 160. Pi-Pr3 is similar to the more frequently used tricyclohexylphosphine. The triisopropyl derivative however, is a liquid at room temperature...
in this reaction is tris(dibenzylideneacetone)dipalladium(0) / tricyclohexylphosphine. Another conjugate addition is that of gramine with phenylboronic...
metathesis catalyst, (PPh3)2Cl2Ru=CHCH=CPh2: The corresponding tricyclohexylphosphine complex (PCy3)2Cl2Ru=CHCH=CPh2 was also shown to be active. This...
aldehydes to branched-chain aldehydes in the product mixture. However, tricyclohexylphosphine is even more effective for this purpose (although more expensive)...
like trioctylphoshine telluride, tributylphosphine telluride and tricyclohexylphosphine telluride are reagents used in the preparation of metal telluride...
crystallographically and are distinguishable by their Cs symmetry. Addition of tricyclohexylphosphine to the carbene complex (PPh3)2(Cl)2Ru=C(CHCO2Me)2 results in olefin...
below −30 °C or in dilute solution. The 1:1 and 1:2 complexes with tricyclohexylphosphine (PCy3) have been characterised crystallographically. The average...
Dichloro((5-((dimethylamino)sulfonyl)-2-(1-methylethoxy-O)phenyl)methylene-C)(tricyclohexylphosphine)ruthenium(IV) Identifiers CAS Number 918871-44-0 3D model (JSmol)...
with two equivalents of diphenylacetylene with NiCOD2 and tricyclohexylphosphine first to nickelapyrroline and with a second insertion a nickeldihydroazepine...
While monodentate phosphine ligands such as triphenylphosphine and tricyclohexylphosphine are most common, bidentate phosphine ligands can also be useful...
1992). "A bonding-reactivity relationship for (carbon dioxide)bis(tricyclohexylphosphine)nickel: a comparative solid-state-solution nuclear magnetic resonance...
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Grubbs' catalyst (first generation)
Crabtree's catalyst
