Patents by Inventor Michael R. Barbachyn

Michael R. Barbachyn 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: 7645781
    Abstract: The present invention provides antibacterial agents having the formulae I, II, and III described herein.
    Type: Grant
    Filed: September 21, 2006
    Date of Patent: January 12, 2010
    Assignee: Pfizer Inc
    Inventors: Richard C. Thomas, Toni-Jo Poel, Michael R. Barbachyn, Mikhail F. Gordeev, Gary W. Luehr, Adam Renslo, Upinder Singh, Vara Prasad Venkata Negandra Josyula
  • Patent number: 6869965
    Abstract: Substituted quinolone derivatives in which an oxazolidinone, isoxazolinone, or isoxazoline is covalently bonded to a quinolone, methods of using the quinolone derivatives, and pharmaceutical compositions containing the quinolone derivatives are disclosed. Methods of synthesizing these substituted quinolone derivatives are also disclosed, and in particular a method of manufacturing a 7-(2-oxo-1,3-oxazolidin-3-yl)aryl-3-quinolinecarboxylic acid by condensing a 4-(2-oxo-1,3-oxazolidin-5-yl)aryl boronic acid with a 7-halo-quinolone derivative. The quinolone derivatives possess antibacterial activity, and are effective against a number of human and veterinary pathogens in the treatment of bacterial diseases.
    Type: Grant
    Filed: December 5, 2003
    Date of Patent: March 22, 2005
    Assignee: Pharmacia & Upjohn Company
    Inventors: Mikhail F. Gordeev, Dinesh V. Patel, Michael R. Barbachyn, James R. Gage
  • Publication number: 20040215017
    Abstract: Substituted quinolone derivatives in which an oxazolidinone, isoxazolinone, or isoxazoline is covalently bonded to a quinolone, methods of using the quinolone derivatives, and pharmaceutical compositions containing the quinolone derivatives are disclosed. Methods of synthesizing these substituted quinolone derivatives are also disclosed, and in particular a method of manufacturing a 7-(2-oxo-1,3-oxazolidin-3-yl)aryl-3-quinolinecarboxylic acid by condensing a 4-(2-oxo-1,3-oxazolidin-5-yl)aryl boronic acid with a 7-halo-quinolone derivative. The quinolone derivatives possess antibacterial activity, and are effective against a number of human and veterinary pathogens in the treatment of bacterial diseases.
    Type: Application
    Filed: December 5, 2003
    Publication date: October 28, 2004
    Applicant: PHARMACIA & UPJOHN COMPANY
    Inventors: Mikhail F. Gordeev, Dinesh V. Patel, Michael R. Barbachyn, James R. Gage
  • Patent number: 6689769
    Abstract: Substituted quinolone derivatives in which an oxazolidinone, isoxazolinone, or isoxazoline is covalently bonded to a quinolone, methods of using the quinolone derivatives, and pharmaceutical compositions containing the quinolone derivatives are disclosed. Methods of synthesizing these substituted quinolone derivatives are also disclosed, and in particular a method of manufacturing a 7-(2-oxo-1,3-oxazolidin-3-yl)aryl-3-quinolinecarboxylic acid by condensing a 4-(2-oxo-1,3-oxazolidin-5-yl)aryl boronic acid with a 7-halo-quinolone derivative. The quinolone derivatives possess antibacterial activity, and are effective against a number of human and veterinary pathogens in the treatment of bacterial diseases.
    Type: Grant
    Filed: November 29, 2001
    Date of Patent: February 10, 2004
    Assignee: Pharmacia & Upjohn Company
    Inventors: Mikhail F. Gordeev, Dinesh V. Patel, Michael R. Barbachyn, James R. Gage
  • Publication number: 20030013737
    Abstract: Substituted quinolone derivatives in which an oxazolidinone, isoxazolinone, or isoxazoline is covalently bonded to a quinolone, methods of using the quinolone derivatives, and pharmaceutical compositions containing the quinolone derivatives are disclosed. Methods of synthesizing these substituted quinolone derivatives are also disclosed, and in particular a method of manufacturing a 7-(2-oxo-1,3-oxazolidin-3-yl)aryl-3-quinolinecarboxylic acid by condensing a 4-(2-oxo-1,3-oxazolidin-5-yl)aryl boronic acid with a 7-halo-quinolone derivative. The quinolone derivatives possess antibacterial activity, and are effective against a number of human and veterinary pathogens in the treatment of bacterial diseases.
    Type: Application
    Filed: November 29, 2001
    Publication date: January 16, 2003
    Inventors: Mikhail F. Gordeev, Dinesh V. Patel, Michael R. Barbachyn, James R. Gage
  • Patent number: 5968962
    Abstract: A compound of the formula (I): ##STR1## or pharmaceutical acceptable salts thereof wherein X is NR.sub.1, S(O).sub.g, or O; R.sub.1 is H, C.sub.1-6 alkyl optionally substituted with one or more OH, CN, or halo, or R.sub.1 is --(CH.sub.2).sub.h -- aryl, --COR.sub.1--1, --COOR.sub.1-2, --CO--(CH.sub.2).sub.h --COR.sub.1--1, C.sub.1-6 alkyl sulfonyl, --SO.sub.2 --(CH.sub.2).sub.h --aryl, or --(CO).sub.i --Het; R.sub.2 is H, C.sub.1-6 alkyl, --(CH.sub.2).sub.h --aryl, or halo; R.sub.3 and R.sub.4 are the same or different and are H or halo; R.sub.5 is H, C.sub.1-12 alkyl optionally substituted with one or more halo, C.sub.3-12 cycloalkyl, C.sub.1-6 alkoxy. The compounds are useful antimicrobial agents.
    Type: Grant
    Filed: August 13, 1996
    Date of Patent: October 19, 1999
    Assignee: Pharmacia & Upjohn Company
    Inventors: Richard C. Thomas, Toni-Jo Poel, Michael R. Barbachyn
  • Patent number: 5958983
    Abstract: The present invention relates to polyaromatic compounds having useful antiviral activity against viruses of the herpes family, to a composition containing them, and to a method of using them for the treatment of herpes viruses infections.
    Type: Grant
    Filed: April 1, 1998
    Date of Patent: September 28, 1999
    Assignee: Pharmacia & Upjohn Company
    Inventors: Michael R. Barbachyn, Fred L. Homa, Antonio Monge, Esteban Santiago, Juan J. Martinez-Irujo, Maria Font
  • Patent number: 5952324
    Abstract: Phenyloxazolidinone compound of formula (I)or a pharmaceutically acceptable salt thereof characterized by a bicyclic thiazine or oxazine substituent. The compounds are useful antimicrobial agents, effective against a number of human and veterinary pathogens, including gram-positive aerobic bacteria such as multiply-resistant staphylococci, streptococci and enterococci as well as anaerobic organisms such as Bacteroides spp. and Clostridia spp. species, and acid-fast organisms such as Mycobacterium tuberculosis, Mycobacterium avium and Mycobacterium spp.
    Type: Grant
    Filed: May 14, 1997
    Date of Patent: September 14, 1999
    Assignee: Pharmacia & Upjohn Company
    Inventors: Michael R. Barbachyn, Richard C. Thomas, Gary L. Cleek, Lisa M. Thomasco, Robert C. Gadwood
  • Patent number: 5929248
    Abstract: The present invention discloses novel substituted aryl- and heteroarylphenyloxazolidinones which are useful as anti-bacterial agents. More specifically, the substituted aryl- and heteroarylphenyloxazolidinones of the invention are characterized by oxazolidinones having an aryl or heteroaryl group at the p-position of the 3-phenyl ring and additional substitutions at the m-position(s) of the 3-phenyl ring. A compound representative of this new class of oxazolidinones is (.+-.)-5-(acetamidomethyl)-3-?4-(3-pyridyl)-3,5-difluorophenyl!-2-oxazolid inone.
    Type: Grant
    Filed: April 23, 1997
    Date of Patent: July 27, 1999
    Assignee: Pharmacia & Upjohn Company
    Inventors: Michael R. Barbachyn, Steven J. Brickner
  • Patent number: 5883093
    Abstract: The present invention relates to antimicrobial phenyloxazolidinone compounds having a pyrrolidinyl or azetidinyl moiety.
    Type: Grant
    Filed: April 23, 1997
    Date of Patent: March 16, 1999
    Assignee: Pharmacia & Upjohn Company
    Inventors: Douglas K. Hutchinson, Steven J. Brickner, Michael R. Barbachyn, Mikio Taniguchi, Kiyotaka Munesada, Hiroyoshi Yamada
  • Patent number: 5880118
    Abstract: A compound of the Formula I: ##STR1## or pharmaceutically acceptable salts thereof wherein X, R, R.sup.1, R.sup.2, R.sup.3 and n are as defined in the disclosure. The oxazine and thiazine oxazolidinone derivatives are useful antimicrobial agents effective against a number of human and veterinary pathogens, including gram-positive aerobic bacteria such as multiply-resistant staphylococci, streptococci, and enterococci as well as anaerobic organisms such as Bacteroides spp. and Clostridia spp. species, and acid-fast organisms such as Mycobacterium tuberculosis, Mycobacterium avium and Mycobacterium spp.
    Type: Grant
    Filed: July 2, 1997
    Date of Patent: March 9, 1999
    Assignee: Pharmacia & Upjohn Company
    Inventors: Michael R. Barbachyn, Steven J. Brickner, Douglas K. Hutchinson
  • Patent number: 5837870
    Abstract: The present invention includes processes for producing 5-hydroxymethyl substituted oxazolidinone alcohols (III) from carbamates (IIA) or a trifluoroacetamide (IIB) using a dihydroxy compound (I) or glycidol (IV) starting material and for the transformation of the hydroxymethyl substituted oxazolidinone alcohols (III) to the corresponding amino compounds, 5-aminomethyl substituted oxazolidinone amines (VII) which are acylated to form commercially useful antibacterial 5-acylamidomethyl substituted oxazolidinone (VIII).
    Type: Grant
    Filed: March 28, 1997
    Date of Patent: November 17, 1998
    Assignee: Pharmacia & Upjohn Company
    Inventors: Bruce A. Pearlman, William R. Perrault, Michael R. Barbachyn, Peter R. Manninen, Dana S. Toops, David J. Houser, Thomas J. Fleck
  • Patent number: 5801246
    Abstract: The present invention discloses novel substituted aryl- and heteroarylphenyloxazolidinones which are useful as anti-bacterial agents. More specifically, the substituted aryl- and heteroarylphenyloxazolidinones of the invention are characterized by oxazolidinones having an aryl or heteroaryl group at the p-position of the 3-phenyl ring and additional substitutions at the m-position(s) of the 3-phenyl ring. A compound representative of this new class of oxazolidinones is (.+-.)-5-(acetamidomethyl)-3-?4-(3-pyridyl)-3,5-difluorophenyl!-2-oxazolid inone.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: September 1, 1998
    Assignee: Pharmacia & Upjohn Company
    Inventors: Michael R. Barbachyn, Steven J. Brickner
  • Patent number: 5756732
    Abstract: The present invention discloses novel substituted aryl- and heteroarylphenyloxazolidinones which are useful as anti-bacterial agents. More specifically, the substituted aryl- and heteroarylphenyloxazolidinones of the invention are characterized by oxazolidinones having an aryl or heteroaryl group at the p-position of the 3-phenyl ring and additional substitutions at the m-position(s) of the 3-phenyl ring. A compound representative of this new class of oxazolidinones is (.+-.)-5-(acetamidomethyl)-3-?4-(3-pyridyl)-3,5-difluorophenyl!-2-oxazolid inone.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: May 26, 1998
    Assignee: Pharmacia & Upjohn Company
    Inventors: Michael R. Barbachyn, Steven J. Brickner
  • Patent number: 5700799
    Abstract: A compound of structural Formula I: ##STR1## or pharmaceutically acceptable salts thereof wherein: each n is independently 1 to 3; Y is choosen from a-n as defined herein; wherein each occurrence of said C.sub.1-6 alkyl may be substituted with one or more F, Cl, Br, I, OR.sup.1, CO.sub.2 R.sup.1, CN, SR.sup.1, or R.sup.1 (where R.sup.1 is a hydrogen or C.sub.1-4 alkyl); X and Z are independently C.sub.1-6 alkyl, C.sub.3-12 cycloalkyl or hydrogen, or X and Z form a C.sub.0-3 bridging group, preferably X and Z are hydrogen; U, V and W are independently C.sub.1-6 alkyl, F, Cl, Br, hydrogen or a C.sub.1-6 alkyl substituted with one or more of F, Cl, Br or I, preferably U and V are F and W is hydrogen; R is hydrogen, C.sub.1-12 alkyl, C.sub.3-12 cycloalkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkyl substituted with one or more F, Cl, Br, I or OH; and q is 0 to 4 inclusive.
    Type: Grant
    Filed: March 4, 1996
    Date of Patent: December 23, 1997
    Assignee: Pharmacia & Upjohn Company
    Inventors: Douglas K. Hutchinson, Michael R. Barbachyn, Steven J. Brickner, Ronald B. Gammill, Mahesh V. Patel
  • Patent number: 5688792
    Abstract: A compound of structural Formula I: ##STR1## or pharmaceutically acceptable salts thereof wherein: X is O, S, SO, SO.sub.2, SNR.sup.10 or S(O)NR.sup.10 ;R is (a) hydrogen,(b) C.sub.1 -C.sub.8 alkyl optionally substituted with one or more of the following: F, Cl, hydroxy, C.sub.1 -C.sub.8 alkoxy, C.sub.1 -C.sub.8 acyloxy or --O--CH.sub.2 --Ph,(c) C.sub.3 -C.sub.6 cycloalkyl,(d) amino,(e) C.sub.1 -C.sub.8 alkylamino,(f) C.sub.1 -C.sub.8 dialkylamino or(g) C.sub.1 -C.sub.8 alkoxy;R.sup.1 is H, except when X is O then R.sup.1 can be H, CH.sub.3, CN, CO.sub.2 H, CO.sub.2 R or (CH.sub.2).sub.m R.sup.11 (m is 1 or 2);R.sup.2 is independently H, F or Cl;R.sup.3 is H except when X is O and R.sup.1 is CH.sub.3 then R.sup.3 can be H or CH.sub.3 ;R.sup.10 is independently H, C.sub.1 -C.sub.4 alkyl (optionally substituted with chloro, fluoro, hydroxy, C.sub.1 -C.sub.8 alkoxy, amino, C.sub.1 -C.sub.8 alkylamino, or C.sub.1 -C.sub.8 dialkylamino) or p-toluenesulfonyl;R.sup.11 is hydrogen, OH, OR, OCOR, NH.sub.
    Type: Grant
    Filed: March 5, 1996
    Date of Patent: November 18, 1997
    Assignee: Pharmacia & Upjohn Company
    Inventors: Michael R. Barbachyn, Steven J. Brickner, Douglas K. Hutchinson
  • Patent number: 5654428
    Abstract: The present invention discloses novel substituted aryl- and heteroarylphenyloxazolidinones which are useful as anti-bacterial agents. More specifically, the substituted aryl- and heteroarylphenyloxazolidinones of the invention are characterized by oxazolidinones having aryl or heteroaryl group at the p-position of the 3-phenyl ring and additional substitutions at the m-position(s) of the 3-phenyl ring. A compound representative of this new class of oxazolidinones is (.+-.)-5-(acetamidomethyl)-3-[4-(3-pyridyl)-3,5-difluorophenyl]-2-oxazolid inone.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: August 5, 1997
    Assignee: Pharmacia & Upjohn Company
    Inventors: Michael R. Barbachyn, Steven J. Brickner
  • Patent number: 5654435
    Abstract: The present invention discloses novel substituted aryl- and heteroarylphenyloxazolidinones which are useful as anti-bacterial agents. More specifically, the substituted aryl- and heteroarylphenyloxazolidinones of the invention are characterized by oxazolidinones having an aryl or heteroaryl group at the p-position of the 3-phenyl ring and additional substitutions at the m-position(s) of the 3-phenyl ring. A compound representative of this new class of oxazolidinones is (.+-.)-5-(acetamidomethyl)-3-[4-(3-pyridyl)-3,5-difluorophenyl]-2-oxazolid inone.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: August 5, 1997
    Assignee: Pharmacia & Upjohn Company
    Inventors: Michael R. Barbachyn, Steven J. Brickner
  • Patent number: 5652238
    Abstract: A compound of structural Formula (I) or pharmaceutically acceptable salts thereof wherein: R is --C(O)--R.sup.1, --PO.sub.3 .dbd. or --P(O)(OH).sub.2 ; R.sup.1 is C.sub.1-6 alkyl, --N(R.sup.4).sub.2, C.sub.1-6 alkyl-N(R.sup.4).sub.2, --phenyl--N(R.sup.4).sub.2, --phenyl-NHC(O)CH.sub.2 NH.sub.2, --C.sub.2 H.sub.4 -morpholinyl, pyridinyl, C.sub.1-6 alkyl-OH, C.sub.1-6 alkyl-OCH.sub.3, C.sub.1-6 alkyl C(O)CH.sub.3, --O--C.sub.1-6 alkyl-OCH.sub.3, C.sub.0-3 alkyl-piperazinyl (optionally substituted with C.sub.1-3 alkyl), imidazolyl, C.sub.1-6 alkyl-COOH, --C(CH.sub.2 OH).sub.2 CH.sub.3 ; R.sup.2 and R.sup.3 are independently selected from hydrogen or F except at least one of R.sup.2 or R.sup.3 is F; R.sup.4 are independently selected from hydrogen or C.sub.1-6 alkyl.
    Type: Grant
    Filed: May 9, 1996
    Date of Patent: July 29, 1997
    Assignee: Pharmacia & Upjohn Company
    Inventors: Steven J. Brickner, Michael R. Barbachyn, Douglas K. Hutchinson
  • Patent number: 5565571
    Abstract: The present invention discloses novel substituted aryl- and heteroarylphenyloxazolidinones which are useful as anti-bacterial agents. More specifically, the substituted aryl- and heteroarylphenyloxazolidinones of the invention are characterized by oxazolidinones having an aryl or heteroaryl group at the p-position of the 3-phenyl ring and additional substitutions at the m-position(s) of the 3-phenyl ring. A compound representative of this new class of oxazolidinones is (.+-.)-5-(acetamidomethyl)-3-[4-(3-pyridyl)-3,5-difiuorophenyl]-2-oxazolid inone.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: October 15, 1996
    Assignee: The Upjohn Company
    Inventors: Michael R. Barbachyn, Steven J. Brickner