Patents by Inventor Charles W. Murtiashaw

Charles W. Murtiashaw 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: 6977302
    Abstract: The invention provides compounds of formula I, R1—OP(O)(OH)2??I wherein R1 represents the non-hydroxy portion of a triazole antifungal compound of the type comprising a tertiary hydroxy group; or a pharmaceutically acceptable sat thereof. The compounds of the invention are useful in the treatment of fungal infections, and have good aqueous solubility.
    Type: Grant
    Filed: March 26, 2004
    Date of Patent: December 20, 2005
    Assignee: Agouron Pharmaceuticals, Inc.
    Inventors: Stuart Green, Peter T. Stephenson, Martha H. Murtiashaw, Charles W. Murtiashaw
  • Publication number: 20040236105
    Abstract: The invention provides compounds of formula I,
    Type: Application
    Filed: March 26, 2004
    Publication date: November 25, 2004
    Applicant: Pfizer, Inc.
    Inventors: Stuart Green, Peter T. Stephenson, Charles W. Murtiashaw, Martha Murtiashaw
  • Patent number: 6790957
    Abstract: The invention provides compounds of formula I, R1—OP(O)(OH)2  I wherein R1 represents the non-hydroxy portion of a triazole antifungal compound of the type comprising a tertiary hydroxy group; or a pharmaceutically acceptable salt thereof. The compounds of the invention are useful in the treatment of fungal infections, and have good aqueous solubility.
    Type: Grant
    Filed: January 9, 2003
    Date of Patent: September 14, 2004
    Assignee: Pfizer, Inc.
    Inventors: Stuart Green, Peter T. Stephenson, Charles W. Murtiashaw
  • Publication number: 20030144250
    Abstract: The invention provides compounds of formula 1,
    Type: Application
    Filed: January 9, 2003
    Publication date: July 31, 2003
    Inventors: Stuart Green, Peter T. Stephenson, Charles W. Murtiashaw, Martha Murtiashaw
  • Patent number: 5455350
    Abstract: (C.sub.1 -C.sub.3)Alkyl-4,6,7,8,9,9a-hexahydro-2H,3H-pyrido[1,2-a]pyrazin-1-one-7-c arboxylate esters, important precursors to certain bis-aza-bicyclic anxiolytics, can be prepared from di(C.sub.1 -C.sub.3)alkyl cis-piperidine-2,5-dicarboxylate starting material by a new process via a new class of intermediates, di(C.sub.1 -C.sub.3)alkyl cis-N-(2-(phthalimido)ethyl)piperidine-2,5-dicarboxylates. In the process, the starting material is reacted with either 2-(phthalimido)ethyl triflate or 2-(phthalimido)acetaldehyde to form the new intermediate, which can then be cyclized to the aforementioned precursor.
    Type: Grant
    Filed: October 13, 1993
    Date of Patent: October 3, 1995
    Assignee: Pfizer Inc.
    Inventors: Dennis M. Godek, Charles W. Murtiashaw, Frank J. Urban, Brian C. Vanderplas
  • Patent number: 5442068
    Abstract: Azabicyclo [2.2.2.]octan-3-imines of the general formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are as defined herein are prepared by reacting a compound of the formula ##STR2## with a compound of the formula ##STR3## wherein A is MgCl, MgBr or Li.
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: August 15, 1995
    Assignee: Pfizer Inc.
    Inventors: Dennis M. Godek, Charles W. Murtiashaw
  • Patent number: 5420347
    Abstract: Immunoregulatory N-(S-3-alkyl-4-heptenoyl)- and N-(S-3-alkylheptanoyl)-D-gamma-glutamyl-glycyl-D-alanine and esters thereof are synthesized via R-trans-2-hexen-4-ols, R-3-alkyl-4-heptenoic acid and S-3-alkylheptanoic acid.
    Type: Grant
    Filed: December 1, 1993
    Date of Patent: May 30, 1995
    Assignee: Pfizer Inc.
    Inventor: Charles W. Murtiashaw
  • Patent number: 5371187
    Abstract: A process and intermediates for the manufacture of S-3-methylheptanoic acid from S-citronellol; a novel crystalline form of immunoregulatory N-(S-3-methlylheptanoyl)-D-gamma-glutamyl-glycyl-D-alanine, an immunoregulatory agent; and an improved process and intermediates therefor.
    Type: Grant
    Filed: May 27, 1993
    Date of Patent: December 6, 1994
    Assignee: Pfizer Inc.
    Inventor: Charles W. Murtiashaw
  • Patent number: 5336771
    Abstract: The present invention relates to processes and intermediates for the preparation of spiro-heteroazolones. The latter compounds are useful as aldose reductase inhibitors.
    Type: Grant
    Filed: October 14, 1992
    Date of Patent: August 9, 1994
    Assignee: Pfizer Inc.
    Inventors: Charles W. Murtiashaw, George J. Quallich
  • Patent number: 5286904
    Abstract: Immunoregulatory N-(S-3-alkyl-4-heptenoyl)- and N-(S-3-alkylheptanoyl)-D-gamma-glutamyl-glycyl-D-alanine and esters thereof are synthesized via R-trans-2-hexen-4-ols, R-3-alkyl-4-heptanoic acid and S-3-alkylheptanoic acid.
    Type: Grant
    Filed: April 9, 1993
    Date of Patent: February 15, 1994
    Assignee: Pfizer Inc.
    Inventor: Charles W. Murtiashaw
  • Patent number: 5248820
    Abstract: A process and intermediates for the manufacture of S-3-methylheptanoic acid from S-citronellol; a novel crystalline form of immunoregulatory N-(S-3-methylheptanoyl)-D-gamma-glutamyl-glycyl-D-alanine, an immunoregulatory agent; and an improved process and intermediates therefor.
    Type: Grant
    Filed: October 29, 1992
    Date of Patent: September 28, 1993
    Assignee: Pfizer Inc.
    Inventor: Charles W. Murtiashaw
  • Patent number: 5245079
    Abstract: Immunoregulatory N-(S-3-alkyl-4-heptenoyl)- and N-(S-3-alkylheptanoyl)-D-gamma-glutamyl-glycyl-D-alanine and esters thereof are synthesized via R-trans-2-hexen-4-ols, R-3-alkyl-4-heptenoic acid and S-3-alkylheptanoic acid.
    Type: Grant
    Filed: March 17, 1992
    Date of Patent: September 14, 1993
    Assignee: Pfizer Inc.
    Inventor: Charles W. Murtiashaw
  • Patent number: 5216163
    Abstract: Azabicyclo[2.2.2]octan-3-imines of the general formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are as defined herein are prepared by reacting a compound of the formula ##STR2## ps with a compound of the formula wherein A is MgCl, MgBr or Li.
    Type: Grant
    Filed: April 1, 1992
    Date of Patent: June 1, 1993
    Assignee: Pfizer Inc
    Inventors: Dennis M. Godek, Charles W. Murtiashaw
  • Patent number: 5185464
    Abstract: A process and intermediates for the manufacture of S-3-methylheptanoic acid from S-citronellol; a novel crystallline form of immunoregulatory N-(S-3-methylheptanoyl)-D-gamma-glutamyl-glycyl-D-alanine, an immunoregulatory agent; and an improved process and intermediates therefor.
    Type: Grant
    Filed: March 17, 1992
    Date of Patent: February 9, 1993
    Assignee: Pfizer Inc.
    Inventor: Charles W. Murtiashaw
  • Patent number: 5185449
    Abstract: (C.sub.1 -C.sub.3)Alkyl-4,6,7,8,9,9a-hexahydro-2H,3H-pyrido-[1,2-a]pyrazin-1-one-7- carboxylate esters, important precursors to certain bis-aza-bicyclic anxiolytics, can be prepared from di(C.sub.1 -C.sub.3)alkyl cis-piperidine-2,5-dicarboxylate starting material by a new process via a new class of intermediates, di(C.sub.1 -C.sub.3)alkyl cis-N-(2-(phthalimido)ethyl)piperidine-2,5-dicarboxylates. In the process, the starting material is reacted with either 2-(phthalimido)ethyl triflate or 2-(phthalimido)acetaldehyde to form the new intermediate, which can then be cyclized to the aforementioned precursor.
    Type: Grant
    Filed: February 27, 1991
    Date of Patent: February 9, 1993
    Assignee: Pfizer Inc.
    Inventors: Dennis M. Godek, Charles W. Murtiashaw, Frank J. Urban, Brian C. Vanderplas
  • Patent number: 5138060
    Abstract: Azabicyclo[2.2.2]octan-3-imines of the general formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are as defined herein are prepared by reacting a compound of the formula ##STR2## with a compound of the formula ##STR3## wherein A is MgCl, MgBr or Li.
    Type: Grant
    Filed: January 3, 1991
    Date of Patent: August 11, 1992
    Assignee: Pfizer Inc.
    Inventors: Dennis M. Godek, Charles W. Murtiashaw
  • Patent number: 5136020
    Abstract: A process and intermediates for the manufacture of S-3-methylheptanoic acid from S-citronellol; a novel crystalline form of immunoregulatory N-(S-3-methylheptanoyl)-D-gamma-glutamyl-glycyl-D-alanine, an immunoregulatory agent; and an improved process and intermediates therefor.
    Type: Grant
    Filed: February 21, 1989
    Date of Patent: August 4, 1992
    Assignee: Pfizer Inc.
    Inventor: Charles W. Murtiashaw
  • Patent number: 5134225
    Abstract: Immunoregulatory N-(S-3-alkyl-4-heptenoyl)- and N-(S-3-alkylheptanoyl)-D-gamma-glutamyl-glycyl-D-alanine and esters thereof are synthesized via R-trans-2-hexen-4-ols, R-3-alkyl-4-heptenoic acid and S-3-alkylheptanoic acid.
    Type: Grant
    Filed: February 21, 1989
    Date of Patent: July 28, 1992
    Assignee: Pfizer Inc.
    Inventor: Charles W. Murtiashaw
  • Patent number: 5068333
    Abstract: The present invention relates to processes and intermediates for the preparation of spiro-heteroazolones. The latter compounds are useful as aldose reductase inhibitors.
    Type: Grant
    Filed: March 7, 1990
    Date of Patent: November 26, 1991
    Assignee: Pfizer Inc.
    Inventors: Charles W. Murtiashaw, George J. Quallich
  • Patent number: 5008384
    Abstract: In the disclosed process, an O.sup.2, 2' anhydro-1-(.beta.-D-arabinofuranosyl)thymine is formed by condensing a 2-amino-.beta.-arabinofurano[1',2':4,5,]-2-oxazoline with a compound of the formula ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.4 alkyl; X is halogen or OR.sub.2, wherein R.sub.2 is H, C.sub.1 -C.sub.4 alkyl or phenyl; in the presence of a suitable solvent at about 0.degree. C. to about 150.degree. C. Catalytic agents such as dimethylaminopyridine and triethylamine may also be added to accelerate the reaction.Protected intermediates of the anhydronucleosides and aminooxazolines are also disclosed.
    Type: Grant
    Filed: July 12, 1988
    Date of Patent: April 16, 1991
    Assignee: Pfizer Inc.
    Inventor: Charles W. Murtiashaw