Phosphorus Or Halogen Containing Patents (Class 536/16.5)
  • Patent number: 7879808
    Abstract: An objective of the present invention is to provide compounds of formula (1) or their pharmacologically acceptable salts or solvates wherein A represents aryl; R1 represents N-optionally substituted C1-6 alkyl-N-optionally substituted C1-6 alkylamino-C1-6 alkyl; R2 represents a hydrogen atom or optionally substituted C1-6 alkyl; R3 represents optionally substituted C1-6 alkyl or C3-6 cycloalkyl-C1-4 alkyl; m is 1 to 3; n is 0; and p is 0 to 2. The compounds are novel lincomycin derivatives that have a potent activity against resistant Streptococcus pneumoniae, which have recently posed problems, in the treatment of infectious diseases. Further, the compounds are usable as antimicrobial agents and are useful for preventing or treating bacterial infectious diseases.
    Type: Grant
    Filed: May 30, 2008
    Date of Patent: February 1, 2011
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Yoshinari Wakiyama, Kou Kumura, Satomi Masaki, Kazutaka Ueda, Yasuo Sato, Chika Kikuchi, Eijirou Umemura, Yoko Hirai, Hiroshi Kondo
  • Patent number: 7871982
    Abstract: This invention provides compounds of formula (I) or its pharmacologically acceptable salt or solvate, wherein A represents aryl or a monocyclic or bicyclic heterocyclic group, R1 represents a halide, nitro, substituted C1-6 alkyl, optionally substituted amino, C1-6 alkyloxycarbonyl, optionally substituted aryl, a heterocyclic group, or heterocyclic carbonyl, R2 represents a hydrogen atom or C1-6 alkyl, R3 represents C1-6 alkyl, all of R4, R5, and R6 represent a hydrogen atom, R7 represents C1-6 alkyl, m is 1 or 2, and n is 1. The compounds are novel lincomycin derivatives having a potent activity against resistant pneumococci. The compounds can be used as an antimicrobial agent and are useful for preventing or treating bacterial infectious diseases.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: January 18, 2011
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Eijirou Umemura, Yoshinari Wakiyama, Kazutaka Ueda, Kou Kumura, Satomi Masaki, Takashi Watanabe, Mikio Yamamoto, Chizuko Kaji, Keiichi Ajito
  • Patent number: 7867980
    Abstract: An objective of the present invention is to provide compounds of formula (I) or their pharmacologically acceptable salts or solvates wherein A represents aryl while R1 represents a five- or six-membered monocyclic heterocyclic group, or A represents a four- to six-membered monocyclic heterocyclic group while R1 represents aryl or a five- or six-membered monocyclic heterocyclic group; R2 represents a hydrogen atom or C1-6 alkyl; R3 represents C1-6 alkyl or C3-6 cycloalkyl-C1-4 alkyl; R4, R5, and R6 represent a hydrogen atom; R7 represents C1-6 alkyl; and m is 1 to 3. The compounds are novel lincosamide derivatives that have a potent activity against resistant Streptococcus pneumoniae. Further, the compounds are usable as antimicrobial agents and are useful for preventing or treating bacterial infectious diseases.
    Type: Grant
    Filed: May 30, 2008
    Date of Patent: January 11, 2011
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Eijirou Umemura, Kou Kumura, Satomi Masaki, Kazutaka Ueda, Yoshinari Wakiyama, Yasuo Sato, Mikio Yamamoto, Keiichi Ajito, Takashi Watanabe, Chizuko Kaji
  • Publication number: 20100172993
    Abstract: The present invention discloses compositions having particles comprising, inorganic element; one or more active ingredient and optionally a release rate modulating agent, suitable for the delivery of active ingredients to human and animal tissues. The particles are nanoparticles or microparticles or mixtures thereof, made preferably by sol-gel method. The compositions are useful for application to the topical or mucosal surfaces preferably in the form of creams, gels, lotions, dry powders, spray, foam and other suitable forms.
    Type: Application
    Filed: August 10, 2007
    Publication date: July 8, 2010
    Inventors: Amarjit Singh, Sarabjit Singh, Paramjit Singh, Rajesh Jain
  • Publication number: 20090227544
    Abstract: The present invention provides novel bisphosphonate conjugates, pharmaceutical compositions comprising bisphosphonate conjugates and methods of using such analogs in the treatment of bone cancer, bone-related diseases, bone infection, bone inflammation, and diseases of the soft tissues surrounding bones.
    Type: Application
    Filed: March 30, 2009
    Publication date: September 10, 2009
    Applicant: MBC PHARMA, INC.
    Inventors: Alexander Karpeisky, Shawn Zinnen
  • Patent number: 7361743
    Abstract: Novel lincomycin derivatives are disclosed. These lincomycin derivatives exhibit antibacterial activity. The compounds of the subject invention may exhibit potent activities against bacteria, including Gram positive organisms, and may be useful antimicrobial agents. Methods of synthesis and of use of the compounds are also disclosed.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: April 22, 2008
    Assignee: Pfizer Inc
    Inventors: Jason G. Lewis, Sampath K Anandan, Hardwin O'Dowd, Mikhail F Gordeev, Liansheng Li
  • Patent number: 7256177
    Abstract: Novel lincomycin derivatives are disclosed. These lincomycin derivatives exhibit antibacterial activity. The compounds of the subject invention may exhibit potent activities against bacteria, including Gram positive organisms, and may be useful antimicrobial agents. Methods of synthesis and of use of the compounds are also disclosed.
    Type: Grant
    Filed: November 17, 2004
    Date of Patent: August 14, 2007
    Assignee: Vicuron Pharmaceuticals, Inc.
    Inventors: Jason G. Lewis, Sampath K. Anandan, Hardwin O'Dowd, Mikhail F. Gordeev
  • Patent number: 7199106
    Abstract: Novel lincomycin derivatives are disclosed. These lincomycin derivatives exhibit antibacterial activity. The compounds of the subject invention may exhibit potent activities against bacteria, including gram positive organisms, and may be useful antimicrobial agents. Methods of synthesis and of use of the compounds are also disclosed.
    Type: Grant
    Filed: June 17, 2004
    Date of Patent: April 3, 2007
    Assignee: Vicuron Pharmaceuticals, Inc.
    Inventors: Jason G. Lewis, Sampath-Kumar Anandan, Hardwin O'Dowd, Mikhail F. Gordeev
  • Patent number: 7164011
    Abstract: Novel lincomycin derivatives are disclosed. These lincomycin derivatives exhibit antibacterial activity. As the compounds of the subject invention exhibit potent activities against bacteria, including gram positive organisms, they are useful antimicrobial agents. Methods of synthesis and of use of the compounds are also disclosed.
    Type: Grant
    Filed: August 15, 2003
    Date of Patent: January 16, 2007
    Assignee: Vicuron Pharmaceuticals, Inc.
    Inventors: Jason Lewis, Dinesh V. Patel, Sampath K. Anandan, Mikhail F. Gordeev