Plural Sulfonyl Halide Groups Attached Indirectly To Each Other By Nonionic Bonding Patents (Class 562/831)
  • Patent number: 8067585
    Abstract: The present invention relates to producing a disulfonyl fluoride compound easily and efficiently by utilizing coupling reaction where a compound (2) is obtained by subjecting a compound (1) wherein Y is a fluorine atom to photocoupling reaction, or subjecting a compound (1) wherein Y is a hydroxyl group, —OMa wherein Ma is an alkali metal atom, or —O(Mb)1/2 wherein Mb is an alkaline earth metal atom to electrolytic coupling reaction, and derivatives such as the following compound (7A) are obtained from the compound (2): FSO2-E-CX2—COY??(1) FSO2-E-CX2—CX2-E-SO2F??(2) wherein E is a single bond, —O—, a C1-20 alkylene group which may contain an etheric oxygen atom, or the like, X is a fluorine atom or the like, and Y is a fluorine atom, a hydroxyl group, or the like.
    Type: Grant
    Filed: October 1, 2007
    Date of Patent: November 29, 2011
    Assignee: Asahi Glass Company, Limited
    Inventors: Masao Iwaya, Kazuya Oharu, Hidekazu Okamoto
  • Publication number: 20090105502
    Abstract: Novel methods for preparing perfluoroalkanedi(sulfonyl chloride) are disclosed as are uses for these compounds. In one aspect, a method comprising reacting dibromoperfluoroalkane with Na2S2O4 followed by treating with chlorine, an organic compound, and then chlorine to form perfluoroalkanedi(sulfonyl chloride) is provided. Novel perfluoroalkanedi(sulfonyl bromide) compounds are also disclosed.
    Type: Application
    Filed: October 16, 2008
    Publication date: April 23, 2009
    Applicant: IM&T RESEARCH, INC.
    Inventors: TERUO UMEMOTO, NORIMICHI SAITO
  • Publication number: 20030013912
    Abstract: A process for producing an aromatic monomer for synthesizing a self-doped conductive polymer, the process comprising:
    Type: Application
    Filed: June 13, 2002
    Publication date: January 16, 2003
    Inventors: Makoto Sato, Kuniyoshi Kondo, Hiromitsu Tanaka, Arimitsu Usuki
  • Patent number: 6388022
    Abstract: The present invention provides a linker binding carrier for organic synthesis represented by the formula: —Z—W—(SO2X)m wherein  is a carrier, X is a leaving group, Y is a bond or spacer, Z is a bivalent group, when Z is a bivalent electron attractive group, W is an aromatic ring which may be substituted and when Z is a bivalent non-electron attractive group, W is an aromatic ring which is substituted by an electron attractive group and may be further substituted and m is 1 or 2, or a salt thereof, which is useful for synthesizing a novel organic compound.
    Type: Grant
    Filed: August 30, 1999
    Date of Patent: May 14, 2002
    Assignee: Takeda Chemical Industires, Ltd.
    Inventors: Katsunori Nagai, Tetsuo Miwa