Synthesis of novel 5-oxaprotoberberine (cas 19716-69-9)s as bioisosteres of protoberberine (cas 19716-69-9)s

Add time:09/01/2019    Source:sciencedirect.com

5-Oxaprotoberberinones and 5-oxaprotoberberinium were synthesized as bioisosteres of protoberberines. 5-Oxaprotoberberinones were prepared by linking phenol with the isoquinolone ring of 3-phenolisoquinolones by methyleneoxy bridge, while the quaternary 5-oxaprotoberberinium salt was synthesized by reduction and oxidation of the lactam moiety of 5-oxaprotoberberinone.

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