Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Acacia caffra"'
Trimeric proteracacinidins and a (6→6)-bis-leucoteracacinidin from Acacia galpinii and Acacia caffra
Autor:
Johan Coetzee, Daneel Ferreira, Desmond Slade, Jannie P.J. Marais, Linette Bennie, Elfranco Malan
Publikováno v:
Phytochemistry. 65:215-220
The rare series of trimeric proteracacinidins is extended by identification of the first analogs with exclusive C-C interflavanyl bonds, i.e. epioritin-(4beta-->6)-oritin-(4alpha-->6)-epioritin-4alpha-ol,oritin-(4beta-->6)-oritin-(4alpha-->6)-epiorit
Publikováno v:
Phytochemistry. 60:521-532
The series of naturally occurring proanthocyanidins with 7,8-dihydroxylated A-rings is extended by identification of the proteracacinidins epioritin-(4beta--6)-oritin-4alpha-ol, epioritin-(4beta--6)-ent-oritin-4alpha-ol, ent-oritin-(4beta--6)-epiorit
Autor:
Maxine F. Miller
Publikováno v:
Oecologia. 97:265-270
This study investigated the interactions of large African herbivores and bruchid seed beetles with Acacia seeds. The germination of bruchid-infested and uninfested seeds was compaed. The effects of pod consumption by large herbivores on bruchid infes
Publikováno v:
ChemInform. 26
A new proteracacinidin analogue with a unique double linkage, ent-oritin-(4β→7, 5→6)-epioritin-4α-ol was isolated from the heartwood of Acacia caffra .
Akademický článek
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Publikováno v:
Phytochemistry. 44:529-531
The first (2S)-7,8,4′-trihydroxyflavan-epioritin-4α-ol dimer was isolated from the heartwood of Acacia caffra. Reduction of 7,8,4′-trihydroxyflavanone to the flavan-4-ol was subsequently used in an acid-catalysed condensation with epioritin-4α-
Autor:
Elfranco Malan
Publikováno v:
Phytochemistry. 40:1519-1521
The proteracacinidin ent -oritin-(4 β → 5) epioritin-4β-ol with 8- O -methylepioritin-4α-ol, 3- O -methyl-7,8,4′-trihydroxy-flavone and other teracacidin analogues were isolated from the heartwood of Acacia caffra .
Akademický článek
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Publikováno v:
Phytochemistry. 59(6)
The rare series of (4--5)-linked proteracacinidins is extended by identification of oritin-(4alpha--5)-epioritin-4beta-ol, ent-epioritin-(4alpha--5)-epioritin-4beta-ol, epioritin-(4beta--5)-epioritin-4alpha-ol and ent-oritin-(4beta--5)-epioritin-4alp
Publikováno v:
ChemInform. 32
The rare series of doubly-linked proteracacinidin-type oligoflavanoids is extended by identification of four new analogues, oritin-(4α→7, 5→6)-epioritin-4α-ol 3, oritin-(4β→7, 5→6)-epioritin-4α-ol 5, epioritin-(4β→7, 5→6)-epioritin-4