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| Number | Title | Issue Date |
| 4965404 | Process for the preparation of lithium diphenylphosphinobenzene-m-monosulfonate There is provided an industrial process for the advantageous preparation of high-purity lithium diphenylphosphinobenzene-m-monosulfonate.... | 10/23/1990 |
| 4956055 | Preparation of bidentate ligands A process is disclosed for preparing bidentate ligands of the formula: ##STR1## wherein: each Ar is independently selected from aromatic ring compounds having 6 up to 14 carbon atoms, e.g., phenyl, naphthyl, phenanthryl and anthracenyl; the x bonds a... | 09/11/1990 |
| 4954227 | Preparation of bidentate ligands A process is disclosed for preparing bidentate ligands of the formula: ##STR1## wherein: each AR is independently selected from aromatic ring compounds having 6 up to 14 carbon atoms, e.g., phenyl, naphthyl, phenanthryl and anthracenyl; the x bonds a... | 09/04/1990 |
| 4952728 | Process for preparation of derivatives of phosphinous acid and intermediate product used to that effect New chemical product, constituted by an organic phosphorus compound of the structure ##STR1## where Q is an N or O atom, T is an alkylene or arylene, possibly carrying substituents, or not existing, while R1 to R7, the same or ... | 08/28/1990 |
| 4922025 | Preparation of organophosphorus compounds Organophosphorus compounds are prepared by reacting an unsaturated compound, such as a striaght-chain, branched or cyclic olefin or a diene having conjugated or nonconjugated double bonds, with a phosphine by a process in which phosphine and/or phosphine-... | 05/01/1990 |
| 4902675 | "2-pyridyl and 4-pyridyl phosphine gold (I) anti tumor complexes" 2-pyridyl and 4-pyridyl phosphine gold compounds of the formula: ##STR1## and 2-pyridyl phosphine gold compounds of the formula: ##STR2## and pharmaceutical compositions containing an effective, tumor cell growth-inhibiting amount of such a comp... | 02/20/1990 |
| 4879008 | Preparation of bidentate ligands A process is disclosed for preparing bidentate ligands of the formula: ##STR1## wherein: each Ar is independently selected from aromatic ring compounds having 6 up to 14 carbon atoms, e.g., phenyl, naphthyl, phenanthryl and anthracenyl; the x bonds a... | 11/07/1989 |
| 4879416 | Preparation of bidentate ligands The process for preparing a bidentate ligand comprising the steps, (1) contacting with ozone under ozonolysis conditions a suspension in a hydroxylic reaction medium of phenanthrene or a phenanthrene derivative to form an ozonated intermediate, (2) contacting ... | 11/07/1989 |
| 4857549 | Antitumor compounds Compounds, pharmaceutical compositions and a method for treating tumors by administering an effective tumor cell growth-inhibiting amount of a ,ω-bis(disubstitutedphosphino)hydrocarbon compound or a [,ω-bis(disubstitutedphosphino)hydrocarb... | 08/15/1989 |
| 4766226 | Antitumor pharmaceutical compositions and methods for treating tumors employing ,ω-bis(disubstitutedphosphino)hydrocarbon derivatives or [, ω-bis(disubstitutedphosphino)hydrocarbon] d i Antitumor pharmaceutical compositions and methods for treating tumors employing ,ω-bis(disubstitutedphosphino)hydrocarbon derivatives or [,ω-bis(disubstituted phosphino)hydrocarbon] digold(I), digold(III), disilver(I), and dicopper(I) deri... | 08/23/1988 |
| 4764509 | Pharmaceutical compositions containing di-gold phosphine Pharmaceutical compositions containing an effective, tumor cell growth-inhibiting amount of such a compound, and a method for treating tumor cells sensitive to such a di-gold phosphine compound which comprises administering a tumor cell growth-inhibiting ... | 08/16/1988 |
| 4758315 | Process for the electrosynthesis of tertiary arylalkylphosphines The process according to the invention is a process for the electrosynthesis of teritary arylalkylphosphines by electrochemical reduction of arylhalophosphines in the presence of aliphatic halides, in an organic solvent medium. The anode, made of a reduci... | 07/19/1988 |
| 4758589 | Tetraphosphine-coordinated gold(I) complexes Tetraphosphine-coordinated gold (I) compounds, pharmaceutical compositions containing an effective, tumor cell growth-inhibiting amount of such a compound, and a method of treating tumor cells sensitive to such a compound which comprises administering a t... | 07/19/1988 |
| 4757156 | Process for making tertiary alkylphosphines Tertiary alkylphosphines of the general formula R3 P, in which R stands for identical or different, linear, unsubstituted alkyl groups having 3 to 20 carbon atoms, with the proviso however that one of the alkyl groups may be a secondary butyl g... | 07/12/1988 |
| 4755611 | Certain bio-(bi-2-thienyl or 2-furyl phosphino) lower alkanes having anti-tumor properties Heterocyclic phosphine compounds, pharmaceutical compositions containing an effective, tumor cell growth-inhibiting amount of such a compound, and a method for treating tumor cells sensitive to such a compound which comprises adminstering a tumor cell gro... | 07/05/1988 |
| 4734514 | Hydrocarbon-substituted analogs of phosphine and arsine, particularly for metal organic chemical vapor deposition Organometallic compounds having the formulas: ##STR1## wherein N is selected from phosphorus and arsenic, H is hydride, and X and Y are independently selected from hydride, lower alkyl cyclopentadienyl, and phenyl, except that Y cannot be hydrogen; a... | 03/29/1988 |
| 4727193 | Reduction of teritiary phosphine oxides, phosphine sulfides or phosphine dihalides with hydrocarbons Tertiary phosphine oxides, phosphine sulfides and/or phosphine dihalides are reduced to tertiary phosphines by reaction with a hydrocarbon in the presence of carbon at elevated temperatures.... | 02/23/1988 |
| 4720561 | Preparation of metal alkyls A method of preparing a metal alkyl of formula (R3 M)x where R3 represents three alkyl groups R which may be the same or different, M represents a Group III metallic element and x is 1 or 2, which method comprises (a) form... | 01/19/1988 |
| 4720560 | Hybrid organometallic compounds, particularly for metal organic chemical vapor deposition Compounds having the molecular formula: wherein x is an integer from 2 to 4 inclusive, each said R substituent is independently selected from hydride, lower alkyl, phenyl, alkyl-substituted phenyl, cyclopentadienyl, and alkyl substituted cyclopentadienyl,... | 01/19/1988 |
| 4716230 | Certain bis(di-2 or 4-pyridyl-phosphino) alkanes #10 having anti-tumor properties Heterocyclic phosphine compounds, pharmaceutical compositions containing an effective, tumor cell growth-inhibiting amount of such a compound, and a method for treating tumor cells sensitive to such a compound which comprises administering a tumor cell gr... | 12/29/1987 |
| 4710587 | Process for removing triorganophosphine from an organic liquid A process for selectively removing alkyl substituted phosphine from an organic liquid containing same and triarylphosphine by treating said liquid with phosphoric acid.... | 12/01/1987 |
| 4698447 | Process for producting 10-phenyl-10H-phenoxaphoshine An improved, simplified process for producing 10-phenyl-10H-phenoxaphosphine in a yield of about 55% comprising reacting n-butyl lithium in a nonpolar hydrocarbon with diphenyl ether in tetramethylethylenediamine and diethyl ether, adding phenyl phosphono... | 10/06/1987 |
| 4698448 | Method for making aromatic phosphorus compounds Compounds of the formula ##STR1## wherein R is lower alkyl or aryl, Y is oxygen or sulfur, m is 0 or 1, Ar is arylene, and X is halogen, methyl, or aryloxy, or polymers containing repeating units of this kind are prepared from a compound R--P(Y)... | 10/06/1987 |
| 4698422 | Triphos and tetraphos gold compounds and ligands Triphos and tetraphos gold compounds which have tumor cell growth-inhibiting activity, pharmaceutical compositions containing an effective, tumor cell growth-inhibiting amount of such a compound or its corresponding triphos or tetraphos ligand, and a meth... | 10/06/1987 |
| 4680286 | Use of selenium-containing compounds for negating the toxic effects of gold compounds used in the treatment of rheumatoid arthritis, and a novel selenium-containing gold compound and use thereof as an anti-rheumatoid arthritis medicine The toxic effects of gold compounds used in the treatment of rheumatoid arthritis can be negated by the use of a selenium-containing compound. A new selenium-containing gold compound has been found to be useful as a gold compound type anti-rheumatoid arth... | 07/14/1987 |
| 4675427 | Tetraphosphine-coordinated gold(I) complexes Tetraphosphine-coordinated gold(I) compounds, pharmaceutical compositions containing an effective, tumor cell growth-inhibiting amount of such a compound, and a method for treating tumor cells sensitive to such a compound which comprises administering a t... | 06/23/1987 |
| 4668823 | Process for the preparation of bulky alkyldiarylphosphines and unsymmetrical aryldialkyl phosphines A process for the selective production of bulky alkyldiarylphosphines and unsymmetrical dialkylarylphosphines comprising reacting a first Grignard reagent having a bulky alkyl group with an aryldichlorophosphine and thereafter and without isolating the re... | 05/26/1987 |
| 4645756 | [,ω-bis(diphenylphosphino)hydrocarbon]bis[(thiosugar)gold] and bis[(selenosugar)gold] derivatives, pharmaceutical compositions and method of use This invention relates to [,ω-bis(diphenylphosphino)hydrocarbon]bis[(thiosugar)gold] and bis[(selenosugar)gold] derivatives, pharmaceutical compositions comprising an effective tumor cell growth-inhibiting amount of such a derivative, and a m... | 02/24/1987 |
| 4618719 | Addition of phosphines to alpha-olefins There is disclosed an improved process for the addition of phospines to alpha-olefins at high yields and conversions. The process involves the absence of a catalyst whose residues could interfere with the utility of the product, such as n-hexyldiphenylpho... | 10/21/1986 |
| 4618720 | Preparation of alkyldiarylphosphines An improved process is disclosed for preparing alkyldiarylphosphines and related compounds. Typically, diphenylphosphinous chloride is reacted in solution with an excess of an alkali metal; and the reaction product reacted with chlorohexane thereby formin... | 10/21/1986 |
| 4514575 | Process for preparing tertiary phosphines Tertiary phosphine oxides, such as triphenylphosphine oxide, are reduced to the corresponding phosphines with trichlorosilane in an inert halogenated hydrocarbon solvent.... | 04/30/1985 |
| 4512967 | Cationic technetium complexes useful as radiodiagnostic agents A cationic lipophilic complex of technetium is disclosed wherein all of the coordination positions of the technetium atom are filled with a neutral donor atom having a pair of electrons available for forming a coordinate bond with technetium. The donor at... | 04/23/1985 |
| 4507504 | Process for preparing tertiary phosphines Tertiary phosphine oxides, such as triphenylphosphine oxide, are reduced to the corresponding phosphines in the presence of a trialkylaluminum/boron trihalide reducing agent.... | 03/26/1985 |
| 4507503 | Process for preparing tertiary phosphines Tertiary phosphine oxides, such as triphenylphosphine oxide, are reduced to the corresponding phosphines in the presence of a trialkylaluminum/trialkyl borate reducing agent.... | 03/26/1985 |
| 4507502 | Process for preparing tertiary phosphines A tertiary phosphine oxide, such as triphenylphosphine oxide, is reduced to the corresponding tertiary phosphine in the presence of a sodium aluminum hydride/sodium aluminum chloride reducing agent.... | 03/26/1985 |
| 4507501 | Process for preparing tertiary phosphines A tertiary phosphine oxide, such as triphenylphosphine oxide, is reduced to the corresponding tertiary phosphine in the presence of a sodium aluminum hydride/aluminum chloride reducing agent.... | 03/26/1985 |
| 4489054 | Cationic lipophilic complexes of 99m Tc and their use for myocardial and hepatobiliary imaging A method of imaging organs with 99m Tc radiopharmaceuticals, especially of hepatobiliary imaging and negative myocardial infarct imaging in a mammal which comprises administering to the mammal a hepatobiliary or myocardial imaging amount of a c... | 12/18/1984 |
| 4480137 | Trihydrocarbyl silyl substituted alkyl diaryl phosphine transition metal complexes and their use as homogeneous carbonylation catalysts Described is a carbonylation process using novel homogeneous trihydrocarbyl silyl-substituted alkyl diaryl phosphine transition metal complexes of the general formula: wherein Ar is a C6 to C10 aromatic hydrocarbyl radical, Q is a C | 10/30/1984 |
| 4454353 | Trihydrocarbyl silyl substituted alkyl diaryl phosphine transition metal complexes and their use as homogeneous hydroformylation-aldolization catalysts Described is a carbonylation process using novel homogeneous trihydrocarbyl silyl-substituted alkyl diaryl phosphine transition metal complexes of the general formula: wherein Ar is a C6 to C10 aromatic hydrocarbyl radical, Q is a C | 06/12/1984 |
| 4454070 | Transition metal-complex compounds and method for making the same The invention relates to a novel transition metal-complex compounds of the general formula M55 L12 Xp, wherein M is a transition metal of one of the subgroups I, V, VI, VII, or VIII, of the Periodic System of the Elements,... | 06/12/1984 |