Patents Assigned to A.M.S.A. Anonima Materie Sintetiche E. Afini S.p.A.
  • Process for synthesising aminoadamantanes
    Patent number: 7405324
    Abstract: The present invention concerns a new process for synthesising aminoadamantanes of formula I in which R1 and R2 are identical or different and are H or a straight or branched alkyl group comprising from 1 to 6 carbon atoms, and addition salts thereof with inorganic or organic acids, in particular memantine hydrochloride (1-amino-3,5-dimethyladamantane hydrochloride).
    Type: Grant
    Filed: May 10, 2006
    Date of Patent: July 29, 2008
    Assignee: A.M.S.A. Anonima Materie Sintetiche E. Afini S.p.A.
    Inventors: Enrico Vigano′, Ernesto Landonio, Simona Lanfranconi, Renato Molteni