Title of article
Oligomeric flavanoids. Part 34: Doubly-linked proteracacinidin analogues from Acacia caffra and Acacia galpinii
Author/Authors
Linette Bennie، نويسنده , , Johan Coetzee، نويسنده , , Elfranco Malan، نويسنده , , John R Woolfrey، نويسنده , , Daneel Ferreira، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2001
Pages
7
From page
661
To page
667
Abstract
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-4α-ol 7 and epioritin-(4β→7, 5→6)-oritin-4α-ol 9. The same sources also afforded epioritin-(4β→5, 3→4)-oritin-4α-ol 11 possessing a rare (4β→5)- as well as a unique (3→4)- ether linkage. Their structures and absolute configurations were established via spectroscopic methods.
Keywords
Acacia caffra , Acacia galpinii , proteracacinidin
Journal title
Tetrahedron
Serial Year
2001
Journal title
Tetrahedron
Record number
1081623
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