Patents Represented by Attorney William C. Martens, Jr.
  • Patent number: 3932387
    Abstract: A 7-imido-3-methyl-3-hydroxycepham-4-carboxylic acid ester is reacted with a halogen reagent in the presence of an alkaline reagent to produce 2-halomethylpenams and a 3-methyl-3-cephem compound.
    Type: Grant
    Filed: March 27, 1974
    Date of Patent: January 13, 1976
    Assignee: Eli Lilly and Company
    Inventors: Stjepan P. Kukolja, Steven R. Lammert