C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 211/32 (2006.01) A61K 31/445 (2006.01) A61P 25/28 (2006.01)
Patent
CA 2549752
The present invention discloses 1-benzyl-4-[(5,6-dimethoxy-1-indanone)-2-yl] methyl piperidine oxalate (donepezil oxalate) and its polymorphs and a method of preparation thereof.
La présente invention concerne un nouveau sel d'oxalate de 1-benzyl-4-[(5,6-diméthoxy-1-indanone)-2-yl]-5-méthyl-pipéridine communément appelée donépézil (I), ses formes polymorphiques et son procédé de préparation.
Aher Umesh Parashram
Naidu Avinash Venkataraman
Sathe Dhananjay Govind
Tarur Venkatasubramanian Radhakrishnan
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Usv Limited
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