Cyclopeptide alkaloids from zizyphus xylopyra

Abstract

In our continuing search (1–7) for cyclopeptide alkaloids from Ziziyphus species, we report here the isolation and characterization of the cyclopeptide alkaloids mauritine-D and nummularine-B from the bark of Zizyphus xylopyra Willd. These alkaloids have not previously been reported from this source. © 1986, American Chemical Society. All rights reserved.