Patents by Inventor Dennis Martin Kubrak
Dennis Martin Kubrak 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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Publication number: 20100144812Abstract: Compounds useful for lowering beta amyloid levels are provided. The compounds have the structure of formula Ia: wherein, R1 is lower alkyl, substituted lower alkyl, phenyl, substituted phenyl, benzyl, substituted benzyl, benzyloxy, substituted benzyloxy, or SO2R5; R5 is phenyl, substituted phenyl, heterocycle, substituted heterocycle, alkyl, or substituted alkyl; R2 is lower alkyl, substituted lower alkyl, CF3, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, phenyl, substituted phenyl, or cycloalkyl; R3 is hydrogen, lower alkyl, or substituted lower alkyl; R4 is phenyl, substituted phenyl, heterocycle, substituted heterocycle, thiophene, or substituted thiophene; R6 is hydrogen, lower alkyl, substituted lower alkyl, CF3, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, phenyl, substituted phenyl, cycloalkyl, or substituted cycloalkyl; W, X and Y are independently CR7 or N; and R7 is hydrogen, halogen, lower alkyl, or substituted lower alkyl.Type: ApplicationFiled: February 19, 2010Publication date: June 10, 2010Applicant: Wyeth LLPInventors: Lynn Resnick, Donna M. Huryn, Joan E. Sabalski, Joshua D. Berkowitz, Anthony Frank Kreft, Dennis Martin Kubrak, Thomas Joseph Caggiano, Koi Michele Morris
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Publication number: 20100120725Abstract: Compounds of Formula I, wherein R1-R8 are defined herein are provided, together with pharmaceutically acceptable salts, hydrates, metabolites, and/or prodrugs thereof. Uses of these compounds for inhibiting beta amyloid production and for the prevention and treatment of Alzheimer's disease and Down's syndrome are also described.Type: ApplicationFiled: January 21, 2010Publication date: May 13, 2010Applicants: Wyeth LLC, ArQule, Inc.Inventors: Anthony Frank Kreft, Derek Cecil Cole, Kevin Roger Woller, Joseph Raymond Stock, Kristina Martha Kutterer, Dennis Martin Kubrak, Charles William Mann, William Jay Moore, David Scott Casebier
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Patent number: 7674813Abstract: Compounds useful for lowering beta amyloid levels are provided. The compounds have the structure of formula Ia: wherein, R1 is lower alkyl, substituted lower alkyl, phenyl, substituted phenyl, benzyl, substituted benzyl, benzyloxy, substituted benzyloxy, or SO2R5; R5 is phenyl, substituted phenyl, heterocycle, substituted heterocycle, alkyl, or substituted alkyl; R2 is lower alkyl, substituted lower alkyl, CF3, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, phenyl, substituted phenyl, or cycloalkyl; R3 is hydrogen, lower alkyl, or substituted lower alkyl; R4 is phenyl, substituted phenyl, heterocycle, substituted heterocycle, thiophene, or substituted thiophene; R6 is hydrogen, lower alkyl, substituted lower alkyl, CF3, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, phenyl, substituted phenyl, cycloalkyl, or substituted cycloalkyl; W, X and Y are independently CR7 or N; and R7 is hydrogen, halogen, lower alkyl, or substituted lower alkyl.Type: GrantFiled: June 19, 2008Date of Patent: March 9, 2010Assignee: WyethInventors: Lynn Resnick, Donna M. Huryn, Joan E. Sabalski, Joshua D. Berkowitz, Anthony Frank Kreft, Dennis Martin Kubrak, Thomas Joseph Caggiano, Koi Michele Morris
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Patent number: 7671075Abstract: Compounds of Formula I, wherein R1-R8 are defined herein are provided, together with pharmaceutically acceptable salts, hydrates, metabolites, and/or prodrugs thereof. Uses of these compounds for inhibiting beta amyloid production and for the prevention and treatment of Alzheimer's Disease and Down's syndrome are also described.Type: GrantFiled: September 27, 2006Date of Patent: March 2, 2010Assignees: Wyeth, ArQule, Inc.Inventors: Anthony Frank Kreft, Derek Cecil Cole, Kevin Roger Woller, Joseph Raymond Stock, Kristina Martha Kutterer, Dennis Martin Kubrak, Charles William Mann, William Jay Moore, David Scott Casebier
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Publication number: 20080249150Abstract: Compounds useful for lowering beta amyloid levels are provided. The compounds have the structure of formula Ia: wherein, R1 is lower alkyl, substituted lower alkyl, phenyl, substituted phenyl, benzyl, substituted benzyl, benzyloxy, substituted benzyloxy, or SO2R5; R5 is phenyl, substituted phenyl, heterocycle, substituted heterocycle, alkyl, or substituted alkyl; R2 is lower alkyl, substituted lower alkyl, CF3, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, phenyl, substituted phenyl, or cycloalkyl; R3 is hydrogen, lower alkyl, or substituted lower alkyl; R4 is phenyl, substituted phenyl, heterocycle, substituted heterocycle, thiophene, or substituted thiophene; R6 is hydrogen, lower alkyl, substituted lower alkyl, CF3, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, phenyl, substituted phenyl, cycloalkyl, or substituted cycloalkyl; W, X and Y are independently CR7 or N; and R7 is hydrogen, halogen, lower alkyl, or substituted lower alkyl.Type: ApplicationFiled: June 19, 2008Publication date: October 9, 2008Applicant: WyethInventors: Lynn Resnick, Donna M. Huryn, Joan E. Sabalski, Joshua D. Berkowitz, Anthony Frank Kreft, Dennis Martin Kubrak, Thomas Joseph Caggiano, Koi Michele Morris
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Patent number: 7399778Abstract: Compounds useful for lowering beta amyloid levels are provided. The compounds have the structure of formula Ia: wherein, R1 is lower alkyl, substituted lower alkyl, phenyl, substituted phenyl, benzyl, substituted benzyl, benzyloxy, substituted benzyloxy, or SO2R5; R5 is phenyl, substituted phenyl, heterocycle, substituted heterocycle, alkyl, or substituted alkyl; R2 is lower alkyl, substituted lower alkyl, CF3, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, phenyl, substituted phenyl, or cycloalkyl; R3 is hydrogen, lower alkyl, or substituted lower alkyl; R4 is phenyl, substituted phenyl, heterocycle, substituted heterocycle, thiophene, or substituted thiophene; R6 is hydrogen, lower alkyl, substituted lower alkyl, CF3, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, phenyl, substituted phenyl, cycloalkyl, or substituted cycloalkyl; W, X and Y are independently CR7 or N; and R7 is hydrogen, halogen, lower alkyl, or substituted lower alkyl.Type: GrantFiled: January 13, 2005Date of Patent: July 15, 2008Assignee: WyethInventors: Lynn Resnick, Donna M. Huryn, Joan E. Sabalski, Joshua D. Berkowitz, Anthony Frank Kreft, Dennis Martin Kubrak, Thomas Joseph Caggiano, Koi Michele Morris
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Patent number: 7166622Abstract: Compounds of Formula I, wherein R1–R8 are defined herein are provided, together with pharmaceutically acceptable salts, hydrates, metabolites, and/or prodrugs thereof. Uses of these compounds for inhibiting beta amyloid production and for the prevention and treatment of Alzheimer's Disease and Down's syndrome are described.Type: GrantFiled: June 9, 2003Date of Patent: January 23, 2007Assignees: Wyeth, ArQule, Inc.Inventors: Anthony Frank Kreft, Derek Cecil Cole, Kevin Roger Woller, Joseph Raymond Stock, Kristina Martha Kutterer, Dennis Martin Kubrak, Charles William Mann, William Jay Moore, David Scott Casebier
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Patent number: 6800764Abstract: A process is provided for preparing chirally pure S-enantiomers of &agr;-amino acids comprising the steps of: a) preparing an organometallic reagent from an alkyl halide of the formula (R)2CH(CH2)nCH2X; b) adding the organometallic reagent to carbon dioxide to afford a carboxylic acid; c) activating the carboxylic acid with an acid chloride, phosphorus trichloride, acid anhydride, or thionyl chloride in the presence of a tertiary amine base; d) reacting the product of step c) with an alkali metal salt of S-4-benzyl-2-oxazolidinone; e) treating the product of step d) with a strong non-nucleophilic base to form an enolate anion; f) trapping the enolate anion with 2,4,6-triisopropylbenzenesulfonyl azide to afford an oxazolidinone azide; g) hydrolyzing the oxazolidinone azide with an aqueous base to afford an &agr;-azido acid; h) reducing the &agr;-azido acid to the &agr;-amino acid; and i) recrystallizing the &agr;-amino acid to the chirally pure &agr;-amino acid.Type: GrantFiled: November 26, 2002Date of Patent: October 5, 2004Assignee: WyethInventors: Anthony Frank Kreft, Madelene Miyoko Antane, Derek Cecil Cole, Dennis Martin Kubrak, Lynn Resnick, Joseph Raymond Stock, Zheng Wang
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Publication number: 20040006050Abstract: Compounds of Formula I, 1Type: ApplicationFiled: June 9, 2003Publication date: January 8, 2004Applicants: Wyeth, ArQule Inc.Inventors: Anthony Frank Kreft, Derek Cecil Cole, Kevin Roger Woller, Joseph Raymond Stock, Kristina Martha Kutterer, Dennis Martin Kubrak, Charles William Mann, William Jay Moore, David Scott Casebier
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Publication number: 20030144531Abstract: A process is provided for preparing chirally pure S-enantiomers of &agr;-amino acids comprising the steps of: a) preparing an organometallic reagent from an alkyl halide of the formula (R)2CH(CH2)nCH2X; b) adding the organometallic reagent to carbon dioxide to afford a carboxylic acid; c) activating the carboxylic acid with an acid chloride, phosphorus trichloride, acid anhydride, or thionyl chloride in the presence of a tertiary amine base; d) reacting the product of step c) with an alkali metal salt of S-4-benzyl-2-oxazolidinone; e) treating the product of step d) with a strong non-nucleophilic base to form an enolate anion; f) trapping the enolate anion with 2,4,6-triisopropylbenzenesulfonyl azide to afford an oxazolidinone azide; g) hydrolyzing the oxazolidinone azide with an aqueous base to afford an &agr;-azido acid; h) reducing the &agr;-azido acid to the &agr;-amino acid; and i) recrystallizing the &agr;-amino acid to the chirally pure &agr;-amino acid.Type: ApplicationFiled: November 26, 2002Publication date: July 31, 2003Applicant: WyethInventors: Anthony Frank Kreft, Madelene Miyoko Antane, Derek Cecil Cole, Dennis Martin Kubrak, Lynn Resnick, Joseph Raymond Stock, Zheng Wang