New Constituents of the Leaves of Alpinia flabellata

Two new compounds were isolated from the leaves of Alpinia flabellata. The structures of these compounds were determined by a combination of NMR techniques and HREIMS as 4-hydroxy-2-(2,4,5-trimethoxyphenyl)-2E-butenal (1) and rel-labd-12-en-15(16)-olid-7-one-8R-spiro-1‘-[2S-(2,4,5-trimethoxyphenyl)-...

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Veröffentlicht in:	Journal of natural products (Washington, D.C.) D.C.), 2001-04, Vol.64 (4), p.515-517
Hauptverfasser:	Tesaki, Shoko, Kikuzaki, Hiroe, Yonemori, Sigetomo, Nakatani, Nobuji
Format:	Artikel
Sprache:	eng
Schlagworte:	Aldehydes Analytical, structural and metabolic biochemistry Biological and medical sciences Butanes Cyclohexenes Fundamental and applied biological sciences. Psychology Lactones - chemistry Lactones - isolation & purification Molecular Structure Other biological molecules Plant Leaves - chemistry Spectrum Analysis Spiro Compounds - chemistry Spiro Compounds - isolation & purification Terpenes, steroids. Hormones Zingiberales - chemistry
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Beschreibung
Zusammenfassung:	Two new compounds were isolated from the leaves of Alpinia flabellata. The structures of these compounds were determined by a combination of NMR techniques and HREIMS as 4-hydroxy-2-(2,4,5-trimethoxyphenyl)-2E-butenal (1) and rel-labd-12-en-15(16)-olid-7-one-8R-spiro-1‘-[2S-(2,4,5-trimethoxyphenyl)-3-cyclohexene] (2).
ISSN:	0163-3864 1520-6025
DOI:	10.1021/np0004855