Calyciphyllines E and F, novel hepta- and pentacyclic alkaloids from Daphniphyllum calycinum

Tetrahedron Letters
2007.0

Abstract

Two new Daphniphyllum alkaloids, calyciphyllines E (1) and F (2), have been isolated from the leaves of Daphniphyllum calycinum (Daphniphyllaceae), and the structures and relative stereochemistry were elucidated on the basis of spectroscopic data. © 2007 Elsevier Ltd. All rights reserved.

DOI： 10.1016/j.tetlet.2007.03.156

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