36621-70-2

Upstream product

• 14898-67-0 ruthenium trichloride hydrate 
• 2622-14-2 tricyclohexylphosphine 
• 52524-94-4 [RuCl₂(CO)(PCy₃)₂] 
• 1204-49-5 benzhydrol potassium salt 
• 18173-64-3 tert-butyldimethylsilanol 
• 52462-29-0 [ruthenium(II)(η⁶-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]₂ 
• 74-85-1 ethene 
• 67-56-1 methanol 
• 315675-18-4 RuHCl(H₂)(PCy₃)2 
• 250220-36-1 dichloro(3-phenyl-1H-inden-1-ylidene)bis(tricyclohexylphosphine)ruthenium(II) 
• 848368-15-0 Ru(BO₂C₆H₄)(CO)(PCy₃)2 
• 246047-72-3 tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride 
• 64-17-5 ethanol 
• 143-08-8 nonyl alcohol 

Downstream Products

• 52524-94-4 [RuCl₂(CO)(PCy₃)₂] 
• 55100-76-0 trans,cis-RuHCl(PCy₃)₂(CO)₂ 
• 807314-48-3 ((C₆H₁₁)3P)2RuH(CO)(NC₄H₈)Cl^(1-) 
• 499205-57-1 [Ru(Si(CH₃)3)Cl(CO)(P(C₆H₁₁)3)2] 
• 1197032-78-2 (PCy3)2(CO)RuCl(κ2-4-methoxybenzoate) 
• 1197032-79-3 (PCy₃)2(CO)RuCl(C(CHPh)(O₂CC₆H₄-p-OMe)) 
• 138367-73-4 [RuH(κ2-O2CCH3)(CO)(P(Cy)3)2] 
• 691879-25-1 [RuCl(CH=CH₂)(CO)(P(Cy)3)2] 
• 691879-26-2 [RuCl((E)-CH=CH(t)Bu)(CO)(P(Cy)3)2] 
• 138367-76-7 [RuCl((E)-CH=CHPh)(CO)(P(Cy)3)2] 
• 187737-37-7 propene 

Relevant academic research and scientific papers

A detailed study of the hydrogenation of nitrile-butadiene rubber and other substrates catalyzed by Ru(II) complexes

Development of a computer controlled apparatus for measurement of gas uptake at elevated temperatures and pressures has made possible a study of the kinetics of NBR hydrogenation at conditions approaching those that are used in commercial operations. Complexes of the form Ru(X)Cl(CO)L2 where X = H or β-styryl (CH=CH(Ph)) and L is a bulky phosphine such as tricyclohexyl-or triisopropyl-phosphine are excellent catalysts for the hydrogenation of C=C in a variety of polymers and are superior to other Ru complexes for the hydrogenation of C=C in nitrile-butadiene rubber. This report describes comparative studies using these complexes for the hydrogenation of C=C in various polymer and small molecule substrates. Also presented are complete details of an in depth mechanistic study into the hydrogenation of NBR catalyzed by the complex Ru(CH=CH(Ph))Cl(CO)(PCy3)2.

From ruthenium olefin metathesis catalyst to (η5-3- phenylindenyl)hydrido complex via alcoholysis

The synthesis and characterisation of [Ru(H)(η5-3- phenylindenyl)(iBu-Phoban)2] 4 is reported ( iBu-Phoban = 9-isobutyl-9-phosphabicyclo-[3.3.1]-nonane). 4 is obtained via alcoholysis of metathesis pre-catalyst M11, in a process that was previously thought to be limited to analogous complex [RuCl 2(PPh3)2(3-phenylindenylidene)] (M 10). The Royal Society of Chemistry.

Understanding structural isomerization during ruthenium-catalyzed olefin metathesis: A deuterium labeling study

A deuterium labeling study was undertaken to determine the mechanism of olefin isomerization during the metathesis reactions catalyzed by a second-generation Grubbs catalyst (2). The reaction of allyl-1,1-d2 methyl ether with 2 at 35°C was followed by 1H and 2H NMR spectroscopy. The evidence of deuterium incorporation at the C-2 position of the isomerized product, trans-propenyl methyl ether, led to the conclusion that a metal hydride addition - elimination mechanism was operating under these conditions. Consequently, complex 8, an analogue of 2 bearing deuterated o-methyl groups on the aromatic rings of the NHC ligand, was synthesized to investigate the role of the NHC ligand in the formation of hydride species. Thermal decomposition of benzylidene 8 and methylidene 8′ was monitored by 2H NMR spectroscopy; no deuteride complex was detected in either case. The decomposition mixtures were tested for isomerization activity with benchmark 1-octene but did not match the isomerization rates observed with 2 under similar metathesis conditions. Reaction of complex 8 with various olefmic substrates not only confirmed the formation of a deuteride complex but also revealed the existence of a competitive H/D exchange process between the CD 3 groups on the NHC ligand and the C-H bonds of the substrate. We propose that the exchange is promoted by a ruthenium dihydride intermediate whose formation is closely related to the methylidene decomposition.

Metathesis of electron-rich olefins: Structure and reactivity of electron-rich carbene complexes

A study was performed on the metathesis of electron-rich olefins. The structure and reactivity of electron-rich carbene complexes were also investigated. It was found that the complexes coordinated with an N-heterocyclic carbene ligand displayed enhanced activities in olefin metathesis and were thermally more stable than their bis(phosphine) analogues.

Insights into the decomposition of olefin metathesis precatalysts

The decomposition of a series of benzylidene, methylidene, and 3-phenylindenylidene complexes has been probed in alcohol solution in the presence of base. Tricyclohexylphosphane-containing precatalysts are shown to yield [RuCl(H)(H2)(PCy3)2] in isopropyl alcohol solutions, while 3-phenylindenylidene complexes lead to η5-(3- phenyl)indenyl products. The potential-energy surfaces for the formation of the latter species have been probed using density functional theory studies.

Hydrogenolysis versus methanolysis of first-and second-generation grubbs catalysts: Rates, speciation, and implications for tandem catalysis

An unexpected "generation gap" is uncovered between the Grubbs catalysts RuCl2(L)(PCy3)(=CHPh) (1a, L = PCy3; 1b, L = IMes, N,N′-bis(mesityl)imidazol-2-ylidene) in their reactions with hydrogen versus methanol, in the pres

Multifaceted chemistry of [(Cymene)RuCl2]2 and PCy3

The reaction of [(cymene)RuCl2]2 (1) with PCy 3 was investigated using different stoichiometries and reaction conditions. Whereas a mixture of complex 1 and 2 equiv of PCy3 in methanol gave the known adduct [(cy

New catalytic route to borasiloxanes

A new, highly selective method for effective synthesis of boryl silyl ethers (borasiloxanes) via O-borylation of silanols with vinylboronates catalyzed by the Ru-H complexes [RuHCl(CO)(PCy3)2] and [RuHCl(CO)(PPh3)3/s

New catalytic route to functionalized vinylboronates

Vinylsubstituted boronates i.e. vinyldioxaborolane and vinyldioxaborinane react regioselectively with olefins in the presence of RuHCl(CO)(PCy 3)2 with the formation of functionalized vinylboron derivatives. The reaction opens a new catalytic route for preparation of organoboranes. The Royal Society of Chemistry 2005.

Degradation of the second-generation Grubbs metathesis catalyst with primary alcohols and oxygen - Isomerization and hydrogenation activities of monocarbonyl complexes

Reaction of the second-generation Grubbs metathesis catalyst [RuCl 2(=CHPh)(H2IMes)(PCy3)] (2) (H2IMes = 1,3-dimethyl-4,5-dihydroimidazol-2-ylidene) with primary alcohols in the presence of a base produced the complexes [RuClH(CO)(PCy3) 2] (3) and [RuClH(CO)(H2IMes)(PCy3)] (5). When benzyl alcohol was used, the ruthenium phenyl complexes [RuClPh(CO)(PCy 3)2] (4) and [RuClPh(CO)(H2IMes)(PCy 3)] (7) were formed in addition to 3 and 5. Complex 7, characterised by an X-ray structure analysis, was also formed on exposure of 2 to oxygen. The isomerization and hydrogenation activity of 7 was determined and compared with that of 3 and 4. ( Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003).