Xylopyrine-C, a new cyclopeptide alkaloid from Zizyphus xylopyra

Abstract

Xylopyrine-C, a new 14-membered ring cyclopeptide alkaloid, has been isolated from the root bark of Zizyphus xylopyra together with a known alkaloid scutianine-C, and their structures were established by chemical and spectral evidences.

Keywords:

• Zizyphus xylopyra
• Rhamnaceae
• cyclopeptide alkaloids
• scutianine-C
• xylopyrine-C

Acknowledgements

The authors are thankful to Professor G. Rücker, Pharmazeutisches Institute and Mass Spectroscopic Division of Organish-chemisches Institute of the University of Bonn for spectral analysis. A.K. Singh is thankful to UGC, New Delhi for financial assistance.

Notes

¹Present address: Department of Chemistry, SGRPG College, Dobhi, Jaunpur.

Additional information

Notes on contributors

Manoj B. Pandey

1 1Present address: Department of Chemistry, SGRPG College, Dobhi, Jaunpur.