Patents by Inventor Helmut Weigold

Helmut Weigold has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7122699
    Abstract: The invention relates to a process for the preparation of organic boronic acid derivatives involving the reaction of an organic compound with diboronic acid in the presence of a Group 8-11 metal catalyst.
    Type: Grant
    Filed: June 13, 2003
    Date of Patent: October 17, 2006
    Assignee: Boron Molecular Limited
    Inventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
  • Patent number: 7122694
    Abstract: The invention relates to processes for the synthesis of aryl or alkene borates which comprises reacting: (i) an olefinic compound having a halogen or halogen-like substituent in a vinylic substitution position, or (ii) an aromatic ring having a halogen or halogen-like substituent in a ring substitution position, with a disubstituted monohydroborane in the presence of a Group 8–11 metal catalyst. The invention also relates to the use of these borates in coupling reactions. The invention further relates to certain disubstituted monohydroboranes and aryl or alkene borates.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: October 17, 2006
    Assignee: Boron Molecular Pty Limited
    Inventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
  • Patent number: 6939985
    Abstract: The invention provides a process for covalently coupling organic compounds which comprises reacting an aromatic ring compound having a halogen or halogen-like substituent at a coupling position with a diboron derivative in the presence of a Group VIII metal catalyst and a suitable base. The invention also provides useful arylboron intermediates.
    Type: Grant
    Filed: March 5, 2003
    Date of Patent: September 6, 2005
    Assignee: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
  • Patent number: 6794529
    Abstract: The invention relates to a process for the preparation of an organic boronic acid derivative comprising reacting a penta- or hexa-substituted diboron derivative with an organic compound having a halogen or halogen-like substituent at a coupling position in the presence of a Group VIII metal catalyst, such that a direct carbon to boron bond is formed between said coupling position and a boron-containing residue of the penta- or hexa-substituted diboron derivative.
    Type: Grant
    Filed: July 6, 2001
    Date of Patent: September 21, 2004
    Assignee: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Sebastian Mario Marcuccio, Helmut Weigold
  • Publication number: 20040133028
    Abstract: The invention relates to processes for the synthesis of aryl or alkene borates which comprises reacting: (i) an olefinic compound having a halogen or halogen-like substituent in a vinylic substitution position, or (ii) an aromatic ring having a halogen or halogen-like substituent in a ring substitution position, with a disubstituted monohydroborane in the presence of a Group 8-11 metal catalyst. The invention also relates to the use of these borates in coupling reactions. The invention further relates to certain disubstituted monohydroboranes and aryl or alkene borates.
    Type: Application
    Filed: December 22, 2003
    Publication date: July 8, 2004
    Applicants: Commonwealth Scientific, Industrial Research Organisation
    Inventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
  • Patent number: 6713566
    Abstract: This invention relates to a process for covalently coupling organic compounds which comprises: reacting an olefinic compound having at least one carbon to carbon double bond or an acetylenic compound having at least one carbon to carbon triple bond with a diboron derivative in the presence of a Group 8-11 metal catalyst to form an organoboron intermediate having an organoboronate residue on at least one carbon atom of the respective double or triple bond; and reacting the organoboron intermediate with an organic compound having a halogen or halogen-like substituent at a coupling position in the presence of a Group 8-11 metal catalyst and a suitable base, whereby the olefinic or acetylenic compound is coupled to the organic compound via a direct bond between the carbon atom having the organoboronate residue and the coupling posiitijno.
    Type: Grant
    Filed: August 6, 2001
    Date of Patent: March 30, 2004
    Assignee: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold, Peter Osvath
  • Patent number: 6680401
    Abstract: The invention relates to processes for the synthesis of aryl or alkene borates which comprises reacting: (i) an olefinic compound having a halogen or halogen-like substituent in a vinylic substitution position, or (ii) an aromatic ring having a halogen or halogen-like substituent in a ring substitution position, with a disubstituted monohydroborane in the presence of a Group 8-11 metal catalyst. The invention also relates to the use of these borates in coupling reactions. The invention further relates to certain disubstituted monohydroboranes and aryl or alkene borates.
    Type: Grant
    Filed: August 13, 2001
    Date of Patent: January 20, 2004
    Assignee: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
  • Publication number: 20030220520
    Abstract: The invention relates to a process for the preparation of organic boronic acid derivatives involving the reaction of an organic compound with diboronic acid in the presence of a Group 8-11 metal catalyst.
    Type: Application
    Filed: June 13, 2003
    Publication date: November 27, 2003
    Applicant: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
  • Patent number: 6603004
    Abstract: The invention relates to a process for the preparation of organic boronic acid derivatives involving the reaction of an organic compound with diboronic acid in the presence of a Group 8-11 metal catalyst.
    Type: Grant
    Filed: March 25, 2002
    Date of Patent: August 5, 2003
    Assignee: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
  • Publication number: 20030114638
    Abstract: This invention describes a process for covalently coupling organic compounds which comprises reacting an olefinic compound having a halogen or halogen-like substituent at a coupling position with a diboron derivative in the presence of a Group VIII metal catalyst and a suitable base.
    Type: Application
    Filed: November 19, 2002
    Publication date: June 19, 2003
    Applicant: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
  • Patent number: 6559310
    Abstract: The invention provides a process for covalently coupling organic compounds which comprises reacting an aromatic ring compound having a halogen or halogen-like substituent at a coupling position with a diboron derivative in the presence of a Group VIII metal catalyst and a suitable base. The invention also provides useful arylboron intermediates.
    Type: Grant
    Filed: May 21, 2002
    Date of Patent: May 6, 2003
    Assignee: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
  • Publication number: 20030032838
    Abstract: The invention relates to a process for the preparation of an organic boronic acid derivative comprising reacting a penta- or hexa-substituted diboron derivative with an organic compound having a halogen or halogen-like substituent at a coupling position in the presence of a Group VIII metal catalyst, such that a direct carbon to boron bond is formed between said coupling position and a boron-containing residue of the penta- or hexa-substituted diboron derivative.
    Type: Application
    Filed: July 6, 2001
    Publication date: February 13, 2003
    Inventors: Sebastian Mario Marcuccio, Helmut Weigold
  • Patent number: 6515160
    Abstract: A process for the preparation of a diboronic acid ester comprising contacting diboronic acid with a suitable monoalcohol, diol or polyol, for a time and under conditions such that the diboronic acid reacts with the monoalcohol, diol or polyol to form the diboronic acid ester.
    Type: Grant
    Filed: October 22, 2001
    Date of Patent: February 4, 2003
    Assignee: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
  • Patent number: 6506925
    Abstract: This invention describes a process for covalently coupling organic compounds which comprises reacting an olefinic compound having a halogen or halogen-like substituent at a coupling position with a diboron derivative in the presence of a Group VIII metal catalyst and a suitable base. The invention also describes a process for preparing alkene borate intermediates comprising reacting an olefinic compound having a halogen or halogen-like substituent with a diboron derivative in the presence of a Group VIII metal catalyst and a suitable base.
    Type: Grant
    Filed: July 24, 2001
    Date of Patent: January 14, 2003
    Assignee: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
  • Publication number: 20020193604
    Abstract: The invention provides a process for covalently coupling organic compounds which comprises reacting an aromatic ring compound having a halogen or halogen-like substituent at a coupling position with a diboron derivative in the presence of a Group VIII metal catalyst and a suitable base. The invention also provides useful arylboron intermediates.
    Type: Application
    Filed: May 21, 2002
    Publication date: December 19, 2002
    Applicant: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
  • Publication number: 20020151743
    Abstract: The invention relates to a process for the preparation of organic boronic acid derivatives involving the reaction of an organic compound with diboronic acid in the presence of a Group 8-11 metal catalyst.
    Type: Application
    Filed: March 25, 2002
    Publication date: October 17, 2002
    Applicant: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
  • Patent number: 6448433
    Abstract: The invention relates to a process for the preparation of organic boronic acid derivatives involving the reaction of an organic compound with diboronic acid in the presence of a Group 8-11 metal catalyst.
    Type: Grant
    Filed: May 10, 2000
    Date of Patent: September 10, 2002
    Assignee: Commonwealth Scientific and Industrial Research Organization
    Inventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
  • Patent number: 6399779
    Abstract: The invention provides a process for covalently coupling organic compounds which comprises reacting an aromatic ring compound having a halogen substituent or other substituent which undergoes substitution with a diboronic acid ester at a coupling position with a diboron derivative in the presence of a Group VIII metal catalyst and a suitable base.
    Type: Grant
    Filed: December 18, 1998
    Date of Patent: June 4, 2002
    Assignee: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
  • Publication number: 20020052522
    Abstract: This invention relates to a diboron derivative of formula (I) or a diboron derivative of formula (II) or a diboron derivative of formula (III) where R1, R2, R3 and R4 are each independently selected from the group consisting of optionally substituted alkyl, optionally substituted alkenyl, optionally substituted aryl, optionally substituted cycloalkyl, optionally substituted cycloalkenyl, a group of the formula —(R5Q)mR6 where Q is selected from O, S, NR7, optionally substituted arylene and optionally substituted cycloalkylene, m is an integer selected from 1 to 3, the or and each R5 is independently an optionally substituted C1-C3 alkylene, R6 is C1-C3 alkyl or hydrogen, and R7 is hydrogen or C1-C12 alkyl; each X is independently selected from O, S(O)n and NR7, where n is an integer from 0 to 3, R7 is hydrogen or C1-C12 alkyl, or one or more of —NR1R7, —NR2R7, —NR3R7 and -NR4R7 represent an optionally substituted 5 or 6 membered heterocyclyl group,and A, A1 and A2 are divalent groups w
    Type: Application
    Filed: October 22, 2001
    Publication date: May 2, 2002
    Applicant: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
  • Patent number: 6346639
    Abstract: This invention relates to a diboron derivative of formula (I) or a diboron derivative of formula (II) or a diboron derivative of formula (III) where R1, R2, R3 and R4 are each independently selected from the group consisting of optionally substituted alkyl, optionally substituted alkenyl, optionally substituted aryl, optionally substituted cycloalkyl, optionally substituted cycloalkenyl, a group of the formula —(R5Q)mR6 where Q is selected from O, S, NR7, optionally substituted arylene and optionally substituted cycloalkylene, m is an integer selected from 1 to 3, the or and each R5 is independently an optionally substituted C1-C3 alkylene, R6 is C1-C3 alkyl or hydrogen, and R7 is hydrogen or C1-C12 alkyl; each X is independently selected from O, S(O)n and NR7, where n is an integer from 0 to 3, R7 is hydrogen or C1-C12 alkyl, or one or more of —NR1R7, —NR2R7, —NR3R7 and —NR4R7 represent an optionally substituted 5 or 6 membered heterocyclyl group,and A, A1 and A2 are divalent gr
    Type: Grant
    Filed: June 22, 2000
    Date of Patent: February 12, 2002
    Assignee: The Commonwealth of Australia Commonwealth Scientific and Industrial Research Organization
    Inventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold