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Randall L Dejong

age ~61

from Kalamazoo, MI

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Also known as:
  • Randall Lee Dejong
Phone and address:
6299 Sanfield Ln, Kalamazoo, MI 49009
269 544-2556
Related to:
Connected to:

Randall Dejong Phones & Addresses

  • 6299 Sanfield Ln, Kalamazoo, MI 49009 • 269 544-2556
  • Portage, MI
  • Zeeland, MI
  • Holland, MI
  • Byron Center, MI
  • Oshtemo, MI

Work

  • Company:
    Zoetis
    Feb 2013
  • Address:
    Kalamazoo, MI
  • Position:
    Research fellow

Education

  • Degree:
    Doctor of Philosophy (Ph.D.)
  • School / High School:
    Wayne State University
    1986 to 1990
  • Specialities:
    Organic Chemistry

Skills

Organic Synthesis • Process Optimization • Hplc • Chemistry • Lc Ms • Pharmaceutical Industry • Mass Spectrometry • Gmp • Chromatography • Nmr • Organic Chemistry • Purification

Industries

Pharmaceuticals

Us Patents

  • Process For The Synthesis Of 5-(4-Fluorophenyl)-1-[2-((2R,4R)-4-Hydroxy-6-Oxo-Tetrahydro-Pyran-2-Yl)-Ethyl]-2-Isopropyl-4-Phenyl-1H-Pyrrole-3-Carboxylic Acid Phenylamide

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  • US Patent:
    6545153, Apr 8, 2003
  • Filed:
    Jul 18, 2002
  • Appl. No.:
    10/198682
  • Inventors:
    Donald Eugene Butler - Holland MI
    Randall Lee Dejong - Zeeland MI
    Jade Douglas Nelson - Holland MI
    Michael Gerard Pamment - Holland MI
    Timothy Lee Stuk - Holland MI
  • Assignee:
    Warner-Lambert Company - Morris Plains NJ
  • International Classification:
    C07D41306
  • US Classification:
    544141, 548517, 548561
  • Abstract:
    An improved process for the preparation of 5-(4-fluorophenyl)-1-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid phenylamide by a novel synthesis is described where methyl cyanoacetate is converted in eight operations or fewer to the desired product, as well as other valuable intermediates used in the process.

  • Process For The Synthesis Of 5-(4-Fluorophenyl)-1-[2-((2R,4R)-4-Hydroxy-6-Oxo-Tetrahydro-Pyran-2-Yl)-Ethyl]-2-Isopropyl-4-Phenyl-1-Pyrrole-3-Carboxylic Acid Phenylamide

    view source
  • US Patent:
    7183408, Feb 27, 2007
  • Filed:
    Apr 19, 2005
  • Appl. No.:
    11/109396
  • Inventors:
    Donald Eugene Butler - Holland MI, US
    Randall Lee DeJong - Zeeland MI, US
    Jade Douglas Nelson - Holland MI, US
    Michael Gerard Pamment - Holland MI, US
    Timothy Lee Stuk - Holland MI, US
  • Assignee:
    Warner-Lambert Company, LLC - Morris Plains NJ
  • International Classification:
    C07D 413/06
    C07D 401/06
    C07D 406/06
  • US Classification:
    544141, 546208, 548517
  • Abstract:
    An improved process for the preparation of 5-(4-fluorophenyl)-1-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid phenylamide by a novel synthesis is described where methyl cyanoacetate is converted in eight operations or fewer to the desired product, as well as other valuable intermediates used in the process.

  • Process For The Synthesis Of 5-(4-Fluorophenyl)-1-[2-((2R,4R)-4-Hydroxy-6-Oxo-Tetrahydro-Pyran-2-Yl)-Ethyl]-2-Isopropyl-4-Phenyl-1-Pyrrole-3-Carboxylic Acid Phenylamide

    view source
  • US Patent:
    7361771, Apr 22, 2008
  • Filed:
    Oct 11, 2006
  • Appl. No.:
    11/546047
  • Inventors:
    Donald Eugene Butler - Holland MI, US
    Randall Lee Dejong - Zeeland MI, US
    Jade Douglas Nelson - Holland MI, US
    Michael Gerard Pamment - Holland MI, US
    Timothy Lee Stuk - Holland MI, US
  • Assignee:
    Warner-Lambert Company - Morris Plains NJ
  • International Classification:
    C07D 405/02
  • US Classification:
    548517
  • Abstract:
    An improved process for the preparation of 5-(4-fluorophenyl)-1-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid phenylamide by a novel synthesis is described where methyl cyanoacetate is converted in eight operations or fewer to the desired product, as well as other valuable intermediates used in the process.

  • Novel Process For The Synthesis Of 5-(4-Fluorophenyl)-1-[2-((2R,4R)-4-Hydroxy-6-Oxo-Tetrahydro-Pyran-2-Yl)-Ethyl]-2-Isopropyl-4-Phenyl-1H-Pyrrole-3-Carboxylic Acid Phenylamide

    view source
  • US Patent:
    20020133026, Sep 19, 2002
  • Filed:
    Dec 17, 2001
  • Appl. No.:
    10/015558
  • Inventors:
    Donald Butler - Holland MI, US
    Randall DeJong - Zeeland MI, US
    Jade Nelson - Holland MI, US
    Michael Pamment - Holland MI, US
    Timothy Stuk - Holland MI, US
  • International Classification:
    C 07D 4 7/02
  • US Classification:
    548/517000
  • Abstract:
    An improved process for the preparation of 5-(4-fluorophenyl)-1-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid phenylamide by a novel synthesis is described where methyl cyanoacetate is converted in eight operations or fewer to the desired product, as well as other valuable intermediates used in the process.

  • Novel Process For The Synthesis Of 5-(4-Fluorophenyl)-1-[2-((2R,4R)-4-Hydroxy-6-Oxo- Tetrahydro-Pyran-2-Yl)-Ethyl]-2-Isopropyl-4-Phenyl-1H-Pyrrole-3-Carboxylic Acid Phenylamide

    view source
  • US Patent:
    20030195353, Oct 16, 2003
  • Filed:
    Jan 21, 2003
  • Appl. No.:
    10/348727
  • Inventors:
    Donald Butler - Holland MI, US
    Randall Dejong - Zeeland MI, US
    Jade Nelson - Holland MI, US
    Michael Pamment - Holland MI, US
    Timothy Stuk - Holland MI, US
  • International Classification:
    C07D413/14
    C 07D 4 5/02
  • US Classification:
    544/141000, 548/517000
  • Abstract:
    An improved process for the preparation of 5-(4-fluorophenyl)-1-[2-((2R,4R)4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid phenylamide by a novel synthesis is described where methyl cyanoacetate is converted in eight operations or fewer to the desired product, as well as other valuable intermediates used in the process.

  • Novel Process For The Synthesis Of 5-(4-Fluorophenyl)-1-[2-((2R,4R-4-Hydroxy-6-Oxo-Tetrahydro-Pyran-2-Yl)-Ethyl]-2-Isopropyl-4-Phenyl-1H-Pyrole-3-Carboxylic Acid And Phenylamide

    view source
  • US Patent:
    20070032662, Feb 8, 2007
  • Filed:
    Oct 11, 2006
  • Appl. No.:
    11/545870
  • Inventors:
    Donald Butler - Holland MI, US
    Randall DeJong - Zeeland MI, US
    Jade Nelson - Holland MI, US
    Michael Pamment - Holland MI, US
    Timothy Stuk - Holland MI, US
  • International Classification:
    C07D 405/02
  • US Classification:
    548517000
  • Abstract:
    An improved process for the preparation of 5-(4-fluorophenyl)-1-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid phenylamide by a novel synthesis is described where methyl cyanoacetate is converted in eight operations or fewer to the desired product, as well as other valuable intermediates used in the process.

  • Novel Process For The Synthesis Of 5-(4-Fluorophenyl)-1-[2-((2R,4R)-4-Hydroxy-6-Oxo-Tetrahydro-Pyran-2-Yl)-Ethyl]-2-Isopropyl-4-Phenyl-1H-Pyrrole-3-Carboxylic Acid Phenylamide

    view source
  • US Patent:
    20070032663, Feb 8, 2007
  • Filed:
    Oct 11, 2006
  • Appl. No.:
    11/545899
  • Inventors:
    Donald Butler - Holland MI, US
    Randall Dejong - Zeeland MI, US
    Jade Nelson - Holland MI, US
    Michael Pamment - Holland MI, US
    Timothy Stuk - Holland MI, US
  • International Classification:
    C07D 405/02
  • US Classification:
    548517000
  • Abstract:
    An improved process for the preparation of 5-(4-fluorophenyl)-1-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid phenylamide by a novel synthesis is described where methyl cyanoacetate is converted in eight operations or fewer to the desired product, as well as other valuable intermediates used in the process.

Resumes

Randall Dejong Photo 1

Senior Research Director

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Location:
Kalamazoo, MI
Industry:
Pharmaceuticals
Work:
Zoetis - Kalamazoo, MI since Feb 2013
Research Fellow
Pfizer-VMRD-Kalamazoo, MI - Kalamazoo, MI Jan 2006 - Feb 2013
Research Fellow
Pfizer - PGRD-Holland, MI; Kalamazoo, MI Sep 1990 - Jan 2006
Scientist to Research Fellow
Education:
Wayne State University 1986 - 1990
Doctor of Philosophy (Ph.D.), Organic Chemistry Calvin College 1982 - 1986
Bachelor of Science (B.S.), Chemistry
Skills:
Organic Synthesis
Process Optimization
Hplc
Chemistry
Lc Ms
Pharmaceutical Industry
Mass Spectrometry
Gmp
Chromatography
Nmr
Organic Chemistry
Purification

Youtube

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