Synthesis of tricyclic analogs of stephaoxocanidine and their evaluation as acetylcholinesterase inhibitors

Bioorganic & Medicinal Chemistry Letters
2005.0

Abstract

The synthesis of simplified analogs of the novel isoquinoline alkaloid stephaoxocanidine, carrying the oxazaphenalene ABC-ring system of the natural product, and their activity as inhibitors of the enzyme acetylcholinesterase, are reported. 5,6-Dimethoxy-7H -8-oxa-1-aza-phenalen-9-one (5) was as active as a Narcissus extract enriched in galantamine.

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