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| Number | Title | Issue Date |
| 4994560 | Functionalized polyamine chelants and radioactive rhodium complexes thereof for conjugation to antibodies A group of functionalized polyamine chelants that form complexes with radioactive rhodium are disclosed. The rhodium complexes can be attached to an antibody or antibody fragment and used for therapeutic or diagnostic purposes.... | 02/19/1991 |
| 4990636 | Process for the production of alpha-6-deoxytetracyclines and hydrogenation catalyst useful therein A coordination compound useful as a hydrogenation catalyst, having the formula: ##STR1## wherein Ph is phenyl; R is hydrogen or C1 -C4 alkyl; and X is chloro, bromo or iodo. This compound is particularly useful as a homogen... | 02/05/1991 |
| 4987242 | Hydrogenation catalyst useful in the production of alpha-6-deoxytetracyclines A coordination compound useful as a hydrogenation catalyst, having the formula: ##STR1## wherein Ph is phenyl; R is hydrogen or C1 -C4 alkyl; and X is chloro, bromo or iodo. This compound is particularly useful as a homogen... | 01/22/1991 |
| 4968654 | Preparation of a new catalyst containing rhodium The present invention refers to the compounds (μ-hydrazine-N1 :N2)-bis[bis(triphenylphosphine)-chlororhodium (I)] and di(μ-hydrazine-N1 :N2)-bis[bis(triphenylphosphine)rhodium (I)] dichloride, which are homoge... | 11/06/1990 |
| 4923996 | Optically active rhodium complexes of 3,4-bis(diarylphosphino)pyrrolidines and their use for the preparation of phosphinothricin by asymmetric hydrogenation The invention relates to rhodium complexes of the formula [A--O--(CH2 CH2 O)n --A]2+ 2 X- Ia and [A--O--(CH2 CH2 O)m --CH3 ]+ X-Ib in which n=5-1,0... | 05/08/1990 |
| 4904808 | Chelate ligands for low pressure hydroformylation catalyst and process employing same A novel ligand for use in hydroformylation reactions wherein at least one olefin having from 2 to 20 carbon atoms is contacted in a reaction zone at a temperature of from about 20° C. to about 250° C. and a pressure of from about 50 psig to about 800 ps... | 02/27/1990 |
| 4902447 | Process for the production of alpha-6-deoxytetracyclines and hydrogenation catalyst useful therein A coordination compound useful as a hydrogenation catalyst, having the formula: ##STR1## wherein Ph is phenyl; R is hydrogen or C1 -C4 alkyl; and X is chloro, bromo or iodo. This compound is particularly useful as a homogen... | 02/20/1990 |
| 4894445 | Metal-isonitrile adducts for preparing radionuclide complexes A method for preparing a coordination complex of an isonitrile ligand and a radioisotope of Tc, Ru, Co, Pt, Re, Os, Ir, W, Re, Cr, Mo, Mn, Ni, Rh, Nb and Ta from a non-radioactive metal adduct of the isonitrile.... | 01/16/1990 |
| 4889957 | Dinuclear and water-soluble rhodium complexes and hydroformylation catalysis therewith 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 u... | 12/26/1989 |
| 4885401 | Bis-phosphite compounds Transition metal-bis-phosphite catalyzed carbonylation processes, especially hydroformylation, as well as transition metal-bis-phosphite compositions, bis-phosphite ligands and transition metal-bis-phosphite catalysts.... | 12/05/1989 |
| 4885376 | New types of organometallic reagents and catalysts for asymmetric synthesis New chiral catalysts for asymmetric synthesis reactions. The catalysts induce chirality in desired fashion in product molecules. The catalysts are rigid quadruped or triped ligands which provide a rigid asymmetric enantio-face at the active catalyst cite,... | 12/05/1989 |
| 4877559 | New process for the preparation of alpha-6-deoxy-5-hydroxytetracycline A homogenous hydrogenation process of preparing 6-demethyl-6-deoxy-6 methylene-5-hydroxytetracycline using a stereospecific tertiary phosphine-hydrozino-rhodium complex catalyst.... | 10/31/1989 |
| 4863639 | Application of catalysts containing rhodium The present invention refers to the compounds (μ-hydrazine-N1 :N2)-bis[bis(triphenylphosphine)-chlororhodium (I)] and di(μ-hydrazine-N1 :N2)-bis[bis(triphenylphosphine)rhodium (I)] dichloride, which are homoge... | 09/05/1989 |
| 4861890 | Isomerization A process for producing chiral enamines by isomerizing a beta, gamma unsaturated amine with a rhodium-diphosphine complex with the addition of an achiral triarylphosphine and, if desired, hydrolyzing the compound of the enamine I obtained to the correspon... | 08/29/1989 |
| 4851581 | Chelate ligands for low pressure hydroformylation catalyst and process employing same A novel ligand for use in hydroformylation reactions wherein at least one olefin having from 2 to 20 carbon atoms is contacted in a reaction zone at a temperature of from about 20° C. to about 250° C. and a pressure of from about 50 psig to about 800 ps... | 07/25/1989 |
| 4831170 | Pharmaceutically active phospino-hydrocarbon-group VIII-metal complexes, antitumor compositions containing these complexes, and a process for preparing said compounds or antitumor compositions Novel bis[bis(diphenylphosphino)hydrocarbon] and bis[diphenylphosphino-diphenylarsino)hydrocarbon]-group VIII metal compounds of the formula 1 of the formula sheet, wherein D1 =D2 =phosphorus or D1 =phosphorus and D2... | 05/16/1989 |
| 4789753 | Phosphite ligands Transition metal-diorganophosphite complex catalyzed carbonylation processes, especially hydroformylation, as well as transition metal-diorganophosphite ligand complex compositions, diorganophosphite ligands and transition metal-diorganophosphite catalyst... | 12/06/1988 |
| 4788308 | Rhodium oxymetallate catalysts Complex rhodium compounds containing rhodium in combination with the ligands carbon monoxide and a plurality of triarylphosphines and have the formulae: wherein alkyl is lower alkyl (C1 to C4), X is a transition element selected from... | 11/29/1988 |
| 4778905 | Dinuclear and water-soluble rhodium complexes and hydroformylation catalysis therewith 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 u... | 10/18/1988 |
| 4748261 | Bis-phosphite compounds Transition metal-bis-phosphite catalyzed carbonylation processes, especially hydroformylation, as well as transition metal-bis-phosphite compositions, bis-phosphite ligands and transition metal-bis-phosphite catalysts.... | 05/31/1988 |
| 4743699 | Homogeneous catalytic system and a process for the preparation of same A homogeneous stereospecific rhodium complex hydrogenation catalyst is prepared using a degassed organic solvent and eventually water.... | 05/10/1988 |
| 4742178 | Low pressure hydroformylation of dienes A hydroformylation process for preparing dialdehydes from dienes by contacting a C6 -C10 diene in a reaction zone at a temperature of from about 20° C. to about 250° C. and a pressure of from about 15 psig to about 800 psig with hy... | 05/03/1988 |
| 4737588 | Transition metal complex catalyzed reactions Transition metal-diorganophosphite complex catalyzed carbonylation processes, especially hydroformylation, as well as transition metal-diorganophosphite ligand complex compositions, diorganophosphite ligands and transition metal-diorganophosphite catalyst... | 04/12/1988 |
| 4717775 | Transition metal complex catalyzed reactions Transition metal-diorganophosphite complex catalyzed carbonylation processes, especially hydroformylation, as well as transition metal-diorganophosphite ligand complex compositions, diorganophosphite ligands and transition metal-diorganophosphite catalyst... | 01/05/1988 |
| 4687866 | Ligand exchange process for producing alkyl diaryl phosphine rhodium carbonyl hydrides Compositions of matter are disclosed which are highly useful in hydroformylation processes. The compositions are non-charged, non-chelated bis- and tris-(alkyl diaryl phosphine) rhodium carbonyl hydrides. The substituents of the alkyl group include hetero... | 08/18/1987 |
| 4681091 | Combination modality cancer therapy Coordination compounds for use in therapy, the compounds having the general empirical formula in which m is the oxidation state of Rh, X is at least one anionic ligand, Y is at least one neutral ligand, with the proviso that at least one of X and Y is a n... | 07/21/1987 |
| 4673753 | Rhodium oxymetallate catalysts Complex rhodium compounds containing rhodium in combination with the ligands carbon monoxide and a plurality of triarylphosphines and have the formulae: wherein alkyl is lower alkyl (C1 to C4), X is a transition element selected from... | 06/16/1987 |
| 4668809 | Transition metal complex catalysts Compositions of matter are disclosed which are highly useful in hydroformylation processes. The compositions are non-charged, non-chelated bis- and tris-(alkyl diaryl phosphine) rhodium carbonyl hydrides. The substituents of the alkyl group includes heter... | 05/26/1987 |
| 4652657 | Chiral rhodium-diphosphine complexes There are described novel chiral rhodium-diphosphine complexes of the formula wherein X, which may be fixed to a carrier, is Z--COO-, wherein Z is ##STR1## perfluorophenyl, perfluorobiphenyl or a residue of the formula ##STR2## and R | 03/24/1987 |
| 4633021 | Olefin hydroformylation The hydroformylation of olefins to produce aldehydes is disclosed employing an ionic metal complex catalyst where the ionic charge is on either the metal or on a ligand in a polar solvent followed by extracting the aldehyde by means of a hydrocarbon solve... | 12/30/1986 |
| 4625069 | Fluorochemical rhodium compounds Coordination compounds of rhodium are solid salts having donor ligands of [(aryl)3 P]3 Rh+ and a non-coordinated counterion derived from a fluorochemical acid, the salts having the formula: The salts are prepared by reacting [(... | 11/25/1986 |
| 4612402 | Oxidation of olefins using rhodium nitro complex A process for the oxidation of olefinically unsaturated substrates of the formula R--CH.dbd.CH-R' wherein R and R' are independently selected from members of the group consisting of H, alkyl, alkenyl, cycloalkyl, aryl and halo-, cyano- and ether-substitut... | 09/16/1986 |
| 4608444 | Process and accompanying catalysts for the hydroformylation of formaldehyde to glycol-aldehyde A process and accompanying catalyst for the hydroformylation of formaldehyde to glycol aldehyde is disclosed. The process features the utilization of (1) a class of transition metal phosphine-amide complexes, (2) a class of transition metal phosphine-amin... | 08/26/1986 |
| 4605750 | Rhodium-phosphine complex A novel rhodium-phosphine complex represented by the formula (I): wherein BINAP represents 2,2'-bis(diphenylphosphino)-1,1'-binaphthyl, and Y represents ClO4, PF6, BF4, PCl6 or B(C6 H4) is descr... | 08/12/1986 |
| 4604474 | Rhodium-phosphine complex A novel rhodium-phosphine complex represented by the formula wherein p-Tolyl BINAP represents 2,2'-bis(di-p-tolylphosphino)-1,1'-binaphthyl, and Y represents ClO4, PF6, BF4 or PCl6 is described. This complex can be u... | 08/05/1986 |
| 4599206 | Transition metal complex catalyzed reactions Transition metal-diorganophosphite complex catalyzed carbonylation processes, especially hydroformylation, as well as transition metal-diorganophosphite ligand complex compositions, diorganophosphite ligands and transition metal-diorganophosphite catalyst... | 07/08/1986 |
| 4595753 | Heterocycle-substituted alkyl diaryl phosphine rhodium caronyl hydride complex hydroformylation catalyst compositions Compositions of matter are disclosed which are highly useful in hydroformylation processes. The compositions are non-charged, non-chelated bis- and tris-(alkyl diaryl phosphine) rhodium carbonyl hydrides. The substituents of the alkyl group include hetero... | 06/17/1986 |
| 4563309 | Production of carboxylic anhydrides from methyl carboxlyates using rhodium complex catalysts A process for the production of organic carboxylic anhydrides by the catalytic reaction of a methyl carboxylate and carbon monoxide in contact with a homogeneous catalyst system of rhodium metal atom, a phosphorus-containing ligand in which there is prese... | 01/07/1986 |
| 4560806 | Process and catalyst useful in the production of glycol aldehyde An improved transition metal-phosphine-amide hydroformylation catalyst is disclosed having a substantially increased solubility in non-polar organic solvents, thereby preventing migration of the catalyst into the glycol aldehyde product during the hydrofo... | 12/24/1985 |
| 4556720 | Fluorochemical rhodium compounds Coordination compounds of rhodium are solid salts having donor ligands of [(aryl)3 P]3 Rh+ and a non-coordinated counterion derived from a fluorochemical acid, the salts having the formula: The salts are prepared by reacting [... | 12/03/1985 |
