Abstract
Chemical investigation of the flowers of Cassia siamea (Leguminosae), resulted in the isolation of two novel tetracycles connecting 5-(2-hydroxypropyl)benzene-1,3-diol, cassibiphenols A (1) and B (2). The structures were elucidated by analysis of the 1D, 2D NMR, and HRMS spectra. Synthesis of a tetracyclic core of 1 and 2 led to determine the absolute configuration of 1 and C-12 of 2.
Original language | English |
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Pages (from-to) | 1362-1365 |
Number of pages | 4 |
Journal | Tetrahedron Letters |
Volume | 55 |
Issue number | 7 |
DOIs | |
Publication status | Published - 12 Feb 2014 |
Keywords
- Biphenyl
- Cassia siamea
- Cassibiphenols A and B
- Partial synthesis
- Structure elucidation