Iron, Cobalt, Nickel, Ruthenium, Rhodium, Palladium, Osmium, Iridium, Or Platinum Containing (fe, Co, Ni, Ru, Rh, Pd, Os, Ir Or Pt) Patents (Class 556/16)
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Patent number: 5021593Abstract: A ruthenium-optically active phosphine complex having, as a ligand, BICHEP which means 2,2'-bis(dicyclohexylphosphino)-6,6'-dimethyl-1,1'-biphenyl represented by formula (I): ##STR1## is disclosed, which can catalyze asymmetric syntheses, such as asymmetric hydrogenation, asymmetric isomerization, and asymmetric silylation, exhibiting excellent catalytic activity and providing high optical purity.Type: GrantFiled: July 11, 1990Date of Patent: June 4, 1991Assignee: Takasago International CorporationInventors: Hiroyuki Nohira, Hidemasa Takaya, Akira Miyashita
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Patent number: 5004823Abstract: The hydroformylation of olefins with rhodium complex catalysts is described. The catalysts employed comprise a rhodium complex with at least one bidentate ligand having a specified structure, ##STR1## Hydroformylation reactions at relatively low temperatures and pressure and yet with high rates of reaction and high selectivity to aldehyde product are obtained by the practice of the present invention.Type: GrantFiled: February 23, 1990Date of Patent: April 2, 1991Assignee: Eastman Kodak CompanyInventors: Thomas J. Devon, Gerald W. Phillips, Thomas A. Puckette, Jerome L. Stavinoha, Jeffrey J. Vanderbilt
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Patent number: 4990676Abstract: A process for preparing single enantiomers of chiral sulphoxides is provided. The process involves (a) reacting an achiral sulphur-containing, e.g. a disulphide, with a single enantiomer of a chiral template having the formula T--(CO)--CH.sub.2 R.sup.1, wherein T is suitably (eta.sup.5 --C.sub.5 H.sub.5)Fe(CO)(PPh.sub.3)-- (Ph=phenyl) and (b) thereafter sterospecifically oxidizing the sulphur atom with an oxidizing agent. A single enantiomer of the chiral sulphoxide can then be generated by reacting the oxidized product with a carbanion. In a preferred embodiment the reaction mixture is thereafter treated with further achiral sulphide to provide a process which is catalytic on the chiral template.Type: GrantFiled: February 17, 1989Date of Patent: February 5, 1991Assignee: British Petroleum Company p.l.c.Inventor: Stephen G. Davies
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Patent number: 4981984Abstract: Langmuir Blodgett films are provided having second order molecular hyperpolarizability of at least 30.10.sup.-50 C.sup.3 m.sup.3 J.sup.-2. combined with chemical stability and a melting point of over 70.degree..They also have desirable pyroelectric properties shown by a static pyroelectric coefficient of at least 0.0039 nCcm.sup.2 k.sup.-1. The films comprise compounds of the following formula: ##STR1## wherein M is ruthenium, iron or cobalt; R.sup.1 is cyclopentadienyl, methylcyclopentadienyl, pentamethylcyclopentadienyl or indenyl;A.sup.1 is (R.sup.2).sub.3 Z or carbonyl;Q.sup.2 is (R.sup.2).sub.3 Z or carbonyl;Z is phosphorus or arsenic;R.sup.2 is an aryl of alkyl radical;A is ##STR2## Y is a straight chain alkyl or alkoxy radical comprising from 3 to 17 carbon atoms, or, when A is ##STR3## N(R.sup.3).sub.2 ; R.sup.3 is a lower alkyl radical comprising up to 5 carbon atoms; andX is PF.sub.6 or BF.sub.4.Type: GrantFiled: July 22, 1988Date of Patent: January 1, 1991Assignee: Thorn Emi plcInventors: Stephen G. Davies, Timothy Richardson, Gareth G. Roberts, Mario E. C. Polywka
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Patent number: 4960949Abstract: The hydroformylation of olefins with rhodium complex catalysts is described. The catalysts employed comprise a rhodium complex with at least one bidentate ligand having a specified structure, ##STR1## Hydroformylation reactions at relatively low temperatures and pressure and yet with high rates of reaction and high selectivity to aldehyde product are obtained by the practice of the present invention.Type: GrantFiled: December 22, 1988Date of Patent: October 2, 1990Assignee: Eastman Kodak CompanyInventors: Thomas J. Devon, Gerald W. Phillips, Thomas A. Puckette, Jerome L. Stavinoha, Jeffrey J. Vanderbilt
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Patent number: 4952289Abstract: Methods and apparatus for electrochemical extraction of a ligand such as molecular oxygen from a first fluid environment and for release of a ligand such as molecular oxygen, as well as ligand carrier compounds therefor comprising macrocyclic amines having the general formulas: ##STR1## where: A, B, C, D, E, and F are each nitrogen, oxygen, sulfur, or phosphorous;m, n, o, p, q, and r are each typically 2, 3, 4, 5, or 6;the R substituents are each generally H or short chain (linear or branched) alkyl, although R.sub.2 may represent ketyl (.dbd.o); andM is a suitable transition metal ion.Type: GrantFiled: May 9, 1988Date of Patent: August 28, 1990Assignee: Aquanautics CorporationInventors: Joseph P. Ciccone, Emory S. DeCastro, John B. Kerr
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Patent number: 4950798Abstract: A novel hydroformylation process for the conversion of olefins having up to about 20 carbon atoms to their corresponding aldehydes is provided herein involving the use of catalysts comprising chelates in which a ligand is chelated at a metal center to produce at least one heterocyclic ring with the central metal atom as part of the ring, i.e., platinum-group metal phosphinoalkylsilyl complexes with bis- or tris(phosphinoalkyl)silyl. Novel catalysts are also provided which are platinum-group metal complexes with bis- or tris(phosphinoalkyl)silyl ligands, which are synthesized by using novel bis(phosphinoalkyl)silanes or tris(phosphinoalkyl)silanes.Type: GrantFiled: December 14, 1988Date of Patent: August 21, 1990Assignee: University of VictoriaInventors: Stephen R. Stobart, Stephen L. Grundy, Frederick L. Joslin
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Patent number: 4945174Abstract: New palladium-based complexes permit the complexing of chlorinated aromatic derivatives. These complexes make it possible to perform hydrogenolysis, hydrocarbonylation and alkoxycarbonylation reaction on chlorinated compounds.Type: GrantFiled: July 20, 1989Date of Patent: July 31, 1990Assignee: Rhone Poulenc ChimieInventors: Marc Huser, John Osborn
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Patent number: 4900852Abstract: Certain novel heavy metal salts of dithiophosphonate derivatives, particularly monoesters, may be prepared inexpensively from hindered phenol compounds and are useful as anti-oxidants for example in lubricants and/or polymer materials.Type: GrantFiled: May 15, 1989Date of Patent: February 13, 1990Assignee: Exxon Chemical Patents Inc.Inventors: Terence Colclough, Stanley J. Brois
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Patent number: 4889957Abstract: Novel dinuclear and water-soluble rhodium complexes, well suited as hydroformylation catalysts, as are aqueous solutions thereof, have the general formula: ##STR1## in which R and R', which are identical or different, are each a substituted or unsubstituted hydrocarbon radical, with the proviso that R and R' may together form a single divalent radical, TAPS is a sulfonated triarylphosphine ligand, and L is a carbonyl (CO) or a TAPS ligand.Type: GrantFiled: June 29, 1988Date of Patent: December 26, 1989Assignee: Rhone-Poulenc Chimie de BaseInventors: Bernard Besson, Philippe Kalck, Alain Thorez
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Patent number: 4877908Abstract: Chiral phosphorus-containing ligands comprising at least one amine radical and at least one dihydrocarbylphosphinoxy radical of the formula W=OP (R).sub.2, in which R is a hydrocarbon radical selected from the group consisting of alkyl, aryl, and cycloalkyl radicals, wherein the ligand is selected from the group consisting of:those of the formula ##STR1## those of the formula ##STR2## those of the formula ##STR3## those of the formula ##STR4## in which formulae: R.sub.1 and R.sub.2 are selected from the group consisting of a hydrogen atom and hydrocarbon radicals;R.sub.3 and R.sub.4, which must be different from one another, are selected from the group consisting of a hydrogen atom and hydrocarbon radicals that may or may not carry at least one functional group selected from the group consisting of the alcohol, thiol, thioether, amine, imine, acid, ester, amide, and ether functional groups; andR.sub.5 and R.sub.Type: GrantFiled: October 13, 1987Date of Patent: October 31, 1989Assignee: NorsolorInventors: Michele Petit, Andre Mortreux, Francis Petit, Gerard Buono
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Patent number: 4788308Abstract: Complex rhodium compounds containing rhodium in combination with the ligands carbon monoxide and a plurality of triarylphosphines and have the formulae:[(aryl.sub.3 P).sub.2 Rh(CO)(alkylCN)].sub.8-n X.sup.+n M.sub.12 O.sub.40,I[(aryl.sub.3 P).sub.2 Rh(CO)(alkylCN)].sub.9-n X.sup.+n M.sub.12 O.sub.40,II[(aryl.sub.3 P).sub.2 Rh(CO)].sub.8-n X.sup.+n M.sub.12 O.sub.40,III[(aryl.sub.3 P).sub.2 Rh(CO)].sub.9-n X.sup.+n M.sub.12 O.sub.40,IV[(aryl.sub.3 P).sub.2 Rh(CO).sub.3 ].sub.8-n X.sup.+n M.sub.12 O.sub.40,V and[(aryl.sub.3 P).sub.2 Rh(CO).sub.3 ].sub.9-n X.sup.+n M.sub.12 O.sub.40,VIwherein alkyl is lower alkyl (C.sub.1 to C.sub.4), X is a transition element selected from Periodic Table groups IIIA, IVA, VA, or VIII, aryl can be phenyl or phenyl substituted by 1 to 3 lower alkyl (C.sub.1 to C.sub.4) and lower alkoxy (C.sub.1 to C.sub.4) groups, M is molybdenum (Mo) or tungsten (W), and n is an integer having a value 2 to 5.Type: GrantFiled: March 23, 1987Date of Patent: November 29, 1988Assignee: Minnesota Mining and Manufacturing CompanyInventor: Allen R. Siedle
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Patent number: 4778905Abstract: Novel dinuclear and water-soluble rhodium complexes, well suited as hydroformylation catalysts, as are aqueous solutions thereof, have the general formula: ##STR1## in which R and R', which are identical or different, are each a substituted or unsubstituted hydrocarbon radical, with the proviso that R and R' may together form a single divalent radical, TAPS is a sulfonated triarylphosphine ligand, and L is a carbonyl (CO) or a TAPS ligand.Type: GrantFiled: October 16, 1985Date of Patent: October 18, 1988Assignee: Rhone-Poulenc Chimie de BaseInventors: Bernard Besson, Philippe Kalck, Alain Thorez
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Patent number: 4766225Abstract: A ruthenium-phosphine complex represented by formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom, a methyl group, or a methoxy group; and R.sup.2 represents a lower alkyl group, a halogenated lower alkyl group, a phenyl group, or a phenyl group substituted with a lower alkyl group. The complex is inexpensive and exhibits excellent performance as a catalyst for various organic syntheses, particularly for asymmetric hydrogenation.Type: GrantFiled: December 9, 1987Date of Patent: August 23, 1988Assignee: Takasago International CorporationInventors: Noboru Sayo, Takanao Taketomi, Hidenori Kumobayashi, Susumu Akutagawa
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Patent number: 4730064Abstract: This invention relates to heterometallic thiocubane compositions containing the M.sub.2.sup.1 M.sub.2.sup.2 S.sub.4 cluster core and methods of making them wherein M.sup.1 is Re, V, Mo or W and M.sup.2 is Co, Cr, Cu, Ni or Fe but preferably Co. More particularly, the invention relates to compositions of the formula M.sub.2.sup.2 M.sub.2.sup.2 S.sub.4 L.sub.2.sup.1 L.sub.2.sup.2 L.sub.2.sup.3 wherein M.sup.1 and M.sup.2 are as above, L.sup.1 is a bidentate sulfur or nitrogen bearing ligand (most preferably a dialkyldithiocarbamate), L.sup.2 is optional but may be an O, N, P or S-containing monodentate donor ligand, and L.sup.3 may be CO, a monodentate anion ligand such as a halide (preferably C1), mercaptide or alkoxide, or another O, N, P, or S containing monodentate donor ligand. The compositions are suitable for making active hydrotreating catalysts.Type: GrantFiled: June 2, 1986Date of Patent: March 8, 1988Assignee: Exxon Research and Engineering CompanyInventors: Thomas R. Halbert, Steven A. Cohen, Edward I. Stiefel
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Patent number: 4710576Abstract: There are disclosed compounds having the formula ##STR1## wherein R and R' are selected from the group consisting of (a) substituents having the formula R.sup.1 R.sup.2 R.sup.3 C-wherein R.sup.1 is H or an alkyl group of 1 to 6 carbon atoms, and R.sup.2 and R.sup.3 are independently alkyl of 1 to 6 carbon atoms;(b) phenyl group;(c) phenyl group substituted by Br, Cl, F, alkyl group of 1 to 10 carbon atoms, or alkoxy group of 1 to 10 carbon atoms; and(d) an adamantyl group; and M is As or Sb; with the proviso that when R and R' are phenyl or substituted phenyl in which the substituents are in meta or para positions, M is As. Preferably R and R' are the same and are t-butyl, phenyl or adamantyl. The compounds display thermochromic properties.Type: GrantFiled: February 19, 1986Date of Patent: December 1, 1987Assignee: E. I. Du Pont de Nemours and CompanyInventor: Anthony J. Arduengo
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Patent number: 4692426Abstract: Ruthenium-cobalt carbonyl catalysts which have been promoted with an organophosphite effectively catalyze the dealkoxyhydroxymethylation of aldehyde acetals to form glycol monoethers. Methylal, for example, may be reacted with syngas, i.e., CO and H.sub.2, in the presence of this phosphite-promoted ruthenium carbonyl cobalt catalyst to form the monomethyl ether of ethylene glycol. In a like manner acetaldehyde may be converted to the corresponding propylene glycol monoether. The process may advantageously be carried out with high yields and selectivities in the presence of a polar or non-polar organic solvent in combination with the catalyst system of this invention.The invention is also directed to certain of the organophosphite-promoted cobalt and ruthenium-cobalt carbonyl catalyst systems per se.Type: GrantFiled: August 29, 1986Date of Patent: September 8, 1987Assignee: Sun Refining and Marketing CompanyInventors: D. Michael Duggan, James E. Lyons, Harry K. Myers, Jr.
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Patent number: 4691036Abstract: Nickel compounds which can be produced by reacting a nickel(O) compound or a nickel compound, which can be converted in situ into a nickel(O) compound, with an adduct or a mixture of maleic acid anhydride and a tertiary phosphine, optionally with a compound of the formula (I) ##STR1## wherein X represents O, NR.sup.4 or ##STR2## and n represents zero or one,and optionally with an organoaluminium compound, are suitable for the homo-and copolymerization of 1-olefins and for the polymerization of acetylene.Type: GrantFiled: February 18, 1986Date of Patent: September 1, 1987Assignee: Bayer AktiengesellschaftInventors: Karl-Heinz A. O. Starzewski, Josef Witte, Herbert Bartl
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Patent number: 4673753Abstract: Complex rhodium compounds containing rhodium in combination with the ligands carbon monoxide and a plurality of triarylphosphines and have the formulae:[(aryl.sub.3 P).sub.2 Rh(CO)(alkylCN)].sub.8-n X.sup.+n M.sub.12 O.sub.40, I[(aryl.sub.3 P).sub.2 Rh(CO)(alkylCN)].sub.9-n X.sup.+n M.sub.12 O.sub.40, II[(aryl.sub.3 P).sub.2 Rh(CO)].sub.8-n X.sup.+n M.sub.12 O.sub.40, III[(aryl.sub.3 P).sub.2 Rh(CO)].sub.9-n X.sup.+n M.sub.12 O.sub.40, IV[(aryl.sub.3 P).sub.2 Rh(CO).sub.3 ].sub.8-n X.sup.+n M.sub.12 O.sub.40, and V[(aryl.sub.3 P).sub.2 Rh(CO).sub.3 ].sub.9-n X.sup.+n M.sub.12 O.sub.40, VIwherein alkyl is lower alkyl (C.sub.1 to C.sub.4), X is a transition element selected from Periodic Table groups IIIA, IVA, VA, or VIII, aryl can be phenyl or phenyl substituted by 1 to 3 lower alkyl (C.sub.1 and C.sub.4) and lower alkoxy (C.sub.1 to C.sub.4) groups, M is molybdenum (Mo) or tungsten (W), and n is an integer having a value 2 to 5.Type: GrantFiled: February 3, 1986Date of Patent: June 16, 1987Assignee: Minnesota Mining and Manufacturing CompanyInventor: Allen R. Siedle
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Patent number: 4645849Abstract: A method for hydrogenating olefins and alkynes is provided wherein the unsaturated hydrocarbon is reacted under mild conditions in the presence of a cyclometallated transition metal catalyst which shows greater resistance to degradation caused by oxidation.Type: GrantFiled: January 22, 1985Date of Patent: February 24, 1987Assignee: General Electric CompanyInventor: Larry N. Lewis
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Patent number: 4604474Abstract: A novel rhodium-phosphine complex represented by the formula[Rh(p-Tolyl BINAP).sub.2 ].sup.+ Y.sup.-wherein p-Tolyl BINAP represents 2,2'-bis(di-p-tolylphosphino)-1,1'-binaphthyl, and Y represents ClO.sub.4, PF.sub.6, BF.sub.4 or PCl.sub.6 is described. This complex can be used as a catalyst for various organic syntheses and also for asymmetric syntheses such as an asymmetric isomerization reaction and an asymmetric hydrogenation reaction. Due to its high activity, the complex is very useful as a catalyst.Type: GrantFiled: March 21, 1985Date of Patent: August 5, 1986Assignee: Takasago Perfumery Co., Ltd.Inventors: Hidenori Kumobayashi, Susumu Akutagawa
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Patent number: 4599201Abstract: A process is provided for preparing ceric carboxylates which comprises oxidizing cerous carboxylate with aqueous hydrogen peroxide in a two-phase system comprising an aqueous phase of hydrogen peroxide having a pH of at least 6 and an organic phase comprising a solution of cerous carboxylate in a water-immiscible hydrocarbon solvent at a temperature at which the reaction proceeds but below the temperature of rapid decomposition of hydrogen peroxide, thereby converting cerous to ceric ion and forming a solution of ceric carboxylate in the hydrocarbon solvent; heating the reaction mixture at a temperature at which any ceric-hydrogen peroxide complexes present are decomposed; and separating the organic phase containing ceric carboxylate from the aqueous phase of the reaction mixture.Type: GrantFiled: August 6, 1984Date of Patent: July 8, 1986Assignee: Rhone-Poulenc, Inc.Inventors: Peter S. Gradeff, Vincent J. Charte