Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
2008-07-29
2008-07-29
Kumar, Shailendra (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C564S130000, C564S446000, C564S448000, C564S458000
Reexamination Certificate
active
07405324
ABSTRACT:
The present invention concerns a new process for synthesising aminoadamantanes of formula Iin 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).
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Landonio Ernesto
Lanfranconi Simona
Molteni Renato
Vigano′ Enrico
A.M.S.A. Anonima Materie Sintetiche E. Afini S.p.A.
Kumar Shailendra
Stetina Brunda Garred & Brucker
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