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Diterpenes from Xylopia langsdorffiana
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Personen und Körperschaften: | , , , , , , |
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Titel: |
Diterpenes from Xylopia langsdorffiana |
In: | Helvetica Chimica Acta, 96, 2013, 6, S. 1085-1092 |
veröffentlicht: |
Wiley
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Umfang: | 1085-1092 |
ISSN: |
0018-019X 1522-2675 |
DOI: | 10.1002/hlca.201200372 |
Zusammenfassung: | <jats:title>Abstract</jats:title><jats:p>The phytochemical investigation of <jats:italic>Xylopia langsdorffiana</jats:italic> A.<jats:sc>St.‐Hil.</jats:sc> & <jats:sc>Tul</jats:sc>. led to the isolation of eight diterpenes, <jats:italic>i.e.</jats:italic>, of the four new compounds (5<jats:italic>β</jats:italic>,7<jats:italic>β</jats:italic>,8<jats:italic>α</jats:italic>,9<jats:italic>β</jats:italic>,10<jats:italic>α</jats:italic>,12<jats:italic>α</jats:italic>)‐atisane‐7,16‐diol 7‐acetate (<jats:bold>1</jats:bold>), named xylodiol 7‐acetate, (5<jats:italic>β</jats:italic>,8<jats:italic>α</jats:italic>,9<jats:italic>β</jats:italic>,10<jats:italic>α</jats:italic>,12<jats:italic>α</jats:italic>)‐16‐hydroxyatisan‐7‐one (<jats:bold>2</jats:bold>), named xylopinone, (3<jats:italic>α</jats:italic>,12<jats:italic>Z</jats:italic>)‐3‐hydroxy‐<jats:italic>ent</jats:italic>‐labda‐8(20),12,14‐trien‐18‐oic acid (<jats:bold>3</jats:bold>), named labdorffianic acid A, and 8,20‐epoxy‐13‐hydroxy‐<jats:italic>ent</jats:italic>‐labd‐14‐en‐18‐oic acid (<jats:bold>4</jats:bold>), named labdorffianic acid B, and of the four known compounds <jats:bold>5</jats:bold>–<jats:bold>8</jats:bold>, <jats:italic>i.e., ent</jats:italic>‐kauran‐16‐ol, <jats:italic>ent</jats:italic>‐kaur‐16‐en‐19‐oic acid, <jats:italic>ent</jats:italic>‐kaur‐16‐en‐19‐ol, and <jats:italic>ent</jats:italic>‐trachyloban‐18‐oic acid. The structures were established by IR, HR‐ESI‐MS, and NMR data analysis with the aid of 2D techniques.</jats:p> |
Format: | E-Article |
Quelle: | Wiley (CrossRef) |
Sprache: | Englisch |