Patents Examined by Mark L. Bench
  • Azetidinone compound and process for preparation thereof
    Patent number: 6011150
    Abstract: There is disclosed an azetidinone compound of the formula [I]: ##STR1## wherein Ring B is a benzene ring which may have substituent(s), R.sup.1 is a hydroxy-substituted lower alkyl group which may have substituent(s), X is oxygen atom and the like, Y is oxygen atom and the like, and Z is a methylene group which may have substituent(s), which is useful as a synthetic intermediate of the 1.beta.-methylcarbapenem-type antibacterial agent.
    Type: Grant
    Filed: May 15, 1995
    Date of Patent: January 4, 2000
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Tameo Iwasaki, Kazuhiko Kondo
  • 7-((substitu ted)amino)-8-((substituted)carbonyl)-methylamino)-1-oxaspiro(4,5)decanes as analgesic agents
    Patent number: 4737493
    Abstract: Substituted phenoxy-, 1-, and 2-naphthalenyloxy-, indenyl-, indolyl-, benzofuranyl-, and benzo[b]thiofuranylcarboxamides of 7,8-(substituted-diamino)-1-oxaspiro[4.5]decanes are useful as analgesic agents.A method of making the compounds, pharmaceutical compositions employing the compounds, and a method of alleviating pain in warm-blooded animals are also disclosed.
    Type: Grant
    Filed: June 9, 1986
    Date of Patent: April 12, 1988
    Assignee: Warner-Lambert Company
    Inventor: David C. Horwell