923571-19-1Relevant articles and documents
PROCESS FOR THE PREPARATION OF DONEPEZIL AND INTERMEDIATE COMPOUNDS THEREOF AS WELL AS HYDRATES OF DONEPEZIL
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Page/Page column 17-18, (2008/06/13)
The present invention relates to a new process for the preparation of intermediate compounds useful in the manufacture of donepezil, or a pharmaceutically-acceptable salt thereof, and also relates to processes for preparing donepezil and to the novel intermediates per se. In addition the invention relates to various hydrated forms of donepezil.