A New d-Lactone Containing Triterpene from the Flowers of Calendula officinalis

A new -lactone containing triterpene, 4 -methylcholest-20-en-12a-ol-3 -olide, was isolated from Calendula officinalis Linn. flowers in addition to three known compounds, lanast-20(22)-en-3 -ol, stigmast-5,22-dien-3 -ol, and stigmast-5,24(28)-dien-3 -ol. Their structures were elucidated by spectrosco...

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Veröffentlicht in:	Pharmaceutical biology 2004, Vol.42 (4-5), p.305-307
Hauptverfasser:	Mukhtar, Hayat, Ansari, S.H., Ali, M., Naved, Tanveer
Format:	Artikel
Sprache:	eng
Schlagworte:	4β-methylcholest-20-en-12a-ol-3β-olide Calendula Officinalis Linn Structure Elucidation Triterpene
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Beschreibung
Zusammenfassung:	A new -lactone containing triterpene, 4 -methylcholest-20-en-12a-ol-3 -olide, was isolated from Calendula officinalis Linn. flowers in addition to three known compounds, lanast-20(22)-en-3 -ol, stigmast-5,22-dien-3 -ol, and stigmast-5,24(28)-dien-3 -ol. Their structures were elucidated by spectroscopic (UV, IR, NMR, and MS) methods and chemical reactions.
ISSN:	1388-0209 1744-5116
DOI:	10.1080/13880200490511873