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New Phloroglucinol Derivatives from Hypericum papuanum

Winkelmann, Karin, Heilmann, Jörg, Zerbe, Oliver, Rali, Topul und Sticher, Otto (2000) New Phloroglucinol Derivatives from Hypericum papuanum. Journal of natural products 63 (1), S. 104-108.

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Zusammenfassung

Bioactivity-guided fractionation of the petroleum ether ext. of the aerial parts of Hypericum papuanum led to the isolation of five new tricyclic phloroglucinol derivs. On the basis of extensive 1D and 2D NMR expts. as well as MS studies, their structures were elucidated as the C-3 epimers of 8-hydroxy-4,4,7-trimethyl-9-(2-methylpropionyl)-3-(1-methylvinyl)-5beta ...

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Dokumentenart:Artikel
Datum:2000
Zusätzliche Informationen (Öffentlich):CAN 132:134789 11-1 Plant Biochemistry 256471-46-2P Role: BAC (Biological activity or effector, except adverse), BOC (Biological occurrence), BSU (Biological study, unclassified), PRP (Properties), PUR (Purification or recovery), BIOL (Biological study), OCCU (Occurrence), PREP (Preparation) (ialibinone A; phloroglucinol derivs. from Hypericum papuanum); 256471-47-3P Role: BAC (Biological activity or effector, except adverse), BOC (Biological occurrence), BSU (Biological study, unclassified), PRP (Properties), PUR (Purification or recovery), BIOL (Biological study), OCCU (Occurrence), PREP (Preparation) (ialibinone B; phloroglucinol derivs. from Hypericum papuanum); 256471-48-4P Role: BAC (Biological activity or effector, except adverse), BOC (Biological occurrence), BSU (Biological study, unclassified), PRP (Properties), PUR (Purification or recovery), BIOL (Biological study), OCCU (Occurrence), PREP (Preparation) (ialibinone C; phloroglucinol derivs. from Hypericum papuanum); 256471-49-5P Role: BAC (Biological activity or effector, except adverse), BOC (Biological occurrence), BSU (Biological study, unclassified), PRP (Properties), PUR (Purification or recovery), BIOL (Biological study), OCCU (Occurrence), PREP (Preparation) (ialibinone D; phloroglucinol derivs. from Hypericum papuanum); 256471-50-8P Role: BAC (Biological activity or effector, except adverse), BOC (Biological occurrence), BSU (Biological study, unclassified), PRP (Properties), PUR (Purification or recovery), BIOL (Biological study), OCCU (Occurrence), PREP (Preparation) (ialibinone E; phloroglucinol derivs. from Hypericum papuanum)
Institutionen:Chemie und Pharmazie > Institut für Pharmazie > Lehrstuhl Pharmazeutische Biologie (Prof. Heilmann)
Identifikationsnummer:
WertTyp
1999:784620Andere
Stichwörter / Keywords:Bacillus cereus Micrococcus luteus Staphylococcus epidermidis (antibacterial activity of phloroglucinol derivs. from Hypericum papuanum) Molecular structure (of ialibinone A phloroglucinol derivs. from Hypericum papuanum) Molecular structure (of ialibinone B phloroglucinol derivs. from Hypericum papuanum) Molecular structure (of ialibinone C phloroglucinol derivs. from Hypericum papuanum) Molecular structure (of ialibinone D phloroglucinol derivs. from Hypericum papuanum) Molecular structure (of ialibinone E phloroglucinol derivs. from Hypericum papuanum) Antibacterial agents New natural products St.-John's-wort (phloroglucinol derivs. from Hypericum papuanum) phloroglucinol deriv Hypericum
Dewey-Dezimal-Klassifikation:500 Naturwissenschaften und Mathematik > 570 Biowissenschaften, Biologie
500 Naturwissenschaften und Mathematik > 540 Chemie
Status:Veröffentlicht
Begutachtet:Ja, diese Version wurde begutachtet
An der Universität Regensburg entstanden:Nein
Eingebracht am:18 Okt 2010 10:41
Zuletzt geändert:08 Mrz 2017 08:27
Dokumenten-ID:17190
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