New Alkaloids from Buxus papilosa

Journal of Natural Products
1987.0

Abstract

Buxus papilosa C.K. Schneider (Buxaceae) of Pakistani origin has yielded the new steroidal alkaloids (+)-buxabenzamidine [1], (+)-homobuxaquamarine [2], (+)-norcyclomicrobuxeine [3], (+)-buxupapine [4], and (+)-Nb-norbuxupapine [5]. The known base cyclobuxoviridine [6] was also reisolated. It is levorotatory, and some details of its nmr spectrum have been clarified.

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