John C. Sheehan

  • The Enchanted Ring

    The Enchanted Ring

    The Untold Story of Penicillin

    John C. Sheehan

    The laboratory synthesis of penicillin, with its intractable beta-lactam structure or "enchanted ring," proved to be one of the most difficult problems ever undertaken by organic chemists. In this book, John Sheehan the man who succeeded in synthesizing penicillin after others had given up, recounts the discovery and development of this remarkable drug.

    • Hardcover $24.00
    • Paperback $30.00