Phosphorus Halides (i.e., Compounds Having Halogen Attached Directly To Phosphorus By Nonionic Bonding) Patents (Class 562/808)
  • Patent number: 7632969
    Abstract: The present invention relates to a process for the preparation of perfluoroalkylphosphines comprising at least the reaction of at least one fluoro(perfluoroalkyl)phosphorane with at least one hydride ion donor, and to the use of tris(perfluoroalkyl)phosphines as perfluoroalkylating reagents.
    Type: Grant
    Filed: April 23, 2007
    Date of Patent: December 15, 2009
    Assignee: Merck Patent GmbH
    Inventors: Urs Welz-Biermann, Nikolai Ignatyev, Michael Weiden, Michael Schmidt, Udo Heider, Alexej Miller, Helge Willner, Peter Sartori
  • Patent number: 7208626
    Abstract: The invention relates to a method for producing perfluoroalkyl phosphines, comprising at least one step in which at least one fluoro(perfluoroalkyl)phosphorane is reacted with at least one hydride ion donator, and the use of tris(perfluoroalkyl)phos-phines as perfluoroalkylating reactants.
    Type: Grant
    Filed: March 17, 2003
    Date of Patent: April 24, 2007
    Assignee: Merck Patent Gesellschaft
    Inventors: Urs Welz-Biermann, Nikolai Ignatyev, Michael Weiden, Michael Schmidt, Udo Heider, Alexej Miller, Helge Willner, Peter Sartori
  • Patent number: 7094328
    Abstract: The present invention relates to acids of the general formula [I], [RyPF6-y]?H+ [I], where y=1, 2 or 3, and in which the ligands R may be identical or different and R is a perfluorinated C1-8-alkyl or aryl group or R is a partially fluorinated C1-8-alkyl or aryl group, in which some of the F or H may have been substituted by chlorine. The present invention furthermore relates to a process for the preparation of the acids according to the invention, to salts comprising a cation and the anion of the acid according to the invention, and to a process for the preparation of the salts. The invention furthermore relates to the use of the acids and salts according to the invention.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: August 22, 2006
    Assignee: Merck Patent GmbH
    Inventors: Nikolai Ignatyev, Michael Schmidt, Andreas K├╝hner, Volker Hilarius, Udo Heider, Andriy Kucheryna, Peter Sartori, Helge Willner
  • Patent number: 7060855
    Abstract: An asymmetric phosphinoselenoic chloride of the present invention is represented by the general formula: wherein Ar represents an aryl group and R represents an aryl group, an alkyl group having 3 or more carbon atoms, or an alkoxy group. The asymmetric phosphinoselenoic chloride is a novel compound and is useful as synthetic raw materials, agricultural chemicals, pharmaceutical products and the like.
    Type: Grant
    Filed: February 24, 2004
    Date of Patent: June 13, 2006
    Assignee: Gifu University
    Inventors: Toshiaki Murai, Tsutomu Kimura
  • Patent number: 6867330
    Abstract: Halogenated phosphines are produced by reacting a secondary phosphine with a quaternary phosphonium halide, in a solvent/carrier for the reactants.
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: March 15, 2005
    Assignee: Rhodia Consumer Specialties Limited
    Inventors: Gordon Findlay Docherty, Floryan De Campo
  • Patent number: 6812224
    Abstract: Use of phosphorous organic compounds of general formula (I) wherein B represents either an ether group of the formula (II) or a keto group of the formula (III) or is a 5 or 6 membered cyclic compound, and their use for preparing pharmaceutical compositions for the therapeutic and prophylactic treatment of infections in humans and animals due to viruses, bacteria, fungi, and parasites as well as their use as a fungicide, bactericide and herbicide in plants.
    Type: Grant
    Filed: September 11, 2002
    Date of Patent: November 2, 2004
    Assignee: Jomaa Pharmaka GmbH
    Inventor: Hassan Jomaa
  • Publication number: 20040171879
    Abstract: The present invention relates to acids of the general formula [I], [RyPF6-y]− H+[I] where y=1, 2 or 3, and in which the ligands R may be identical or different and R is a perfluorinated C1-8-alkyl or aryl group or R is a partially fluorinated C1-8-alkyl or aryl group, in which some of the F or H may have been substituted by chlorine. The present invention furthermore relates to a process for the preparation of the acids according to the invention, to salts comprising a cation and the anion of the acid according to the invention, and to a process for the preparation of the salts. The invention furthermore relates to the use of the acids and salts according to the invention.
    Type: Application
    Filed: December 23, 2003
    Publication date: September 2, 2004
    Inventors: Nikolai Ignatyev, Michael Schmidt, Andreas Kuhner, Volker Hilarius, Udo Heider, Andriy Kucheryna, Peter Sartori, Helge Willner
  • Publication number: 20040167356
    Abstract: An asymmetric phosphinoselenoic chloride of the present invention is represented by the general formula: 1
    Type: Application
    Filed: February 24, 2004
    Publication date: August 26, 2004
    Applicant: Gifu University
    Inventors: Toshiaki Murai, Tsutomu Kimura
  • Patent number: 6753324
    Abstract: Use of phosphorous organic compounds of general formula (I) wherein B represents either an ether group of the formula (II) or a keto group of the formula (III) or is a 5 or 6 membered cyclic compound, and their use for preparing pharmaceutical compositions for the therapeutic and prophylactic treatment of infections in humans and animals due to viruses, bacteria, fungi, and parasites as well as their use as a fungicide, bactericide and herbicide in plants.
    Type: Grant
    Filed: September 11, 2002
    Date of Patent: June 22, 2004
    Inventor: Hassan Jomaa
  • Patent number: 6613922
    Abstract: Chiral di-phosphonites and phosphhours diamides based on the ps-ortho disubstituted p-cyclophane skeleton are good ligands for transition metals, notably rhodium, iridium and ruthenium. Preferably, the transition metals are linked to the ligands by a diene compound chosen from 2,5-Norbornadiene (NBD) and 1,5-Cyclooctadiene (COD).
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: September 2, 2003
    Assignee: Chirotech Technology Limited
    Inventors: Antonio Zanotti-Gerosa, Christophe Guillaume Malan, Julian Henschke, Daniela Herzberg