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Two New Spermidine Alkaloids from Chisocheton weinlandii

✍ Scribed by Manuel Tzouros; Laurent Bigler; Stefan Bienz; Manfred Hesse; Akira Inada; Hiroko Murata; Yuka Inatomi; Tsutomu Nakanishi; Dedy Darnaedi

Publisher: John Wiley and Sons
Year: 2004
Tongue: German
Weight: 245 KB
Volume: 87
Category: Article
ISSN: 0018-019X
DOI: 10.1002/hlca.200490129

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✦ Synopsis

Abstract

The investigation of the MeOH extract of the leaves of Chisocheton weinlandii Harms (Meliaceae) revealed two new open‐chain spermidine alkaloids, chisitine 1 (1) and chisitine 2 (2). Their structures were elucidated by NMR spectroscopy, tandem‐mass spectrometry, and independant syntheses (Scheme 3). Detailed MS/MS fragmentation pathways are discussed for both compounds based on H/D exchange and ^18^O‐labeling experiments (Schemes 1 and 2).

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