A new 14-membered cyclopeptide alkaloid fromZizyphus oxyphylla

Natural Product Research
2007.0

Abstract

One new 14-membered frangulanine-type cyclopeptide alkaloid, oxyphyl line-A (1) has been isolated from the stem bark of Zizyphus oxyphylla together with the known 13-membered cyclopeptide, nummularine R (2). The structure was established on the basis of spectral studies particularly 2D NMR.

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