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).
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Patent number: 7122699Abstract: 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: GrantFiled: June 13, 2003Date of Patent: October 17, 2006Assignee: Boron Molecular LimitedInventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
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Patent number: 7122694Abstract: 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: GrantFiled: December 22, 2003Date of Patent: October 17, 2006Assignee: Boron Molecular Pty LimitedInventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
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Patent number: 6939985Abstract: 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: GrantFiled: March 5, 2003Date of Patent: September 6, 2005Assignee: Commonwealth Scientific and Industrial Research OrganisationInventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
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Patent number: 6794529Abstract: 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: GrantFiled: July 6, 2001Date of Patent: September 21, 2004Assignee: Commonwealth Scientific and Industrial Research OrganisationInventors: Sebastian Mario Marcuccio, Helmut Weigold
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Publication number: 20040133028Abstract: 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: ApplicationFiled: December 22, 2003Publication date: July 8, 2004Applicants: Commonwealth Scientific, Industrial Research OrganisationInventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
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Patent number: 6713566Abstract: 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: GrantFiled: August 6, 2001Date of Patent: March 30, 2004Assignee: Commonwealth Scientific and Industrial Research OrganisationInventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold, Peter Osvath
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Patent number: 6680401Abstract: 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: GrantFiled: August 13, 2001Date of Patent: January 20, 2004Assignee: Commonwealth Scientific and Industrial Research OrganisationInventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
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Publication number: 20030220520Abstract: 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: ApplicationFiled: June 13, 2003Publication date: November 27, 2003Applicant: Commonwealth Scientific and Industrial Research OrganisationInventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
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Patent number: 6603004Abstract: 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: GrantFiled: March 25, 2002Date of Patent: August 5, 2003Assignee: Commonwealth Scientific and Industrial Research OrganisationInventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
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Publication number: 20030114638Abstract: 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: ApplicationFiled: November 19, 2002Publication date: June 19, 2003Applicant: Commonwealth Scientific and Industrial Research OrganisationInventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
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Patent number: 6559310Abstract: 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: GrantFiled: May 21, 2002Date of Patent: May 6, 2003Assignee: Commonwealth Scientific and Industrial Research OrganisationInventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
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Publication number: 20030032838Abstract: 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: ApplicationFiled: July 6, 2001Publication date: February 13, 2003Inventors: Sebastian Mario Marcuccio, Helmut Weigold
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Patent number: 6515160Abstract: 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: GrantFiled: October 22, 2001Date of Patent: February 4, 2003Assignee: Commonwealth Scientific and Industrial Research OrganisationInventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
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Patent number: 6506925Abstract: 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: GrantFiled: July 24, 2001Date of Patent: January 14, 2003Assignee: Commonwealth Scientific and Industrial Research OrganisationInventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
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Publication number: 20020193604Abstract: 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: ApplicationFiled: May 21, 2002Publication date: December 19, 2002Applicant: Commonwealth Scientific and Industrial Research OrganisationInventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
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Publication number: 20020151743Abstract: 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: ApplicationFiled: March 25, 2002Publication date: October 17, 2002Applicant: Commonwealth Scientific and Industrial Research OrganisationInventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
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Patent number: 6448433Abstract: 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: GrantFiled: May 10, 2000Date of Patent: September 10, 2002Assignee: Commonwealth Scientific and Industrial Research OrganizationInventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
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Patent number: 6399779Abstract: 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: GrantFiled: December 18, 1998Date of Patent: June 4, 2002Assignee: Commonwealth Scientific and Industrial Research OrganisationInventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
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Publication number: 20020052522Abstract: 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 wType: ApplicationFiled: October 22, 2001Publication date: May 2, 2002Applicant: Commonwealth Scientific and Industrial Research OrganisationInventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold
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Patent number: 6346639Abstract: 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 grType: GrantFiled: June 22, 2000Date of Patent: February 12, 2002Assignee: The Commonwealth of Australia Commonwealth Scientific and Industrial Research OrganizationInventors: Sebastian Mario Marcuccio, Mary Rodopoulos, Helmut Weigold