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Serratene Triterpenoids from Palhinhaea cernua var. sikkimensis
2009 Volume 57 Issue 12 Pages 1381-1384
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2009 Volume 57 Issue 12 Pages 1381-1384
Seven new serratene triterpenoids, 3α,21β,29-trihydroxy-16-oxoserrat-14-en-24-oic acid (1), 3β,21β,29-trihydroxy-16-oxoserrat-14-en-24-oic acid (2), 3β,21β,29-trihydroxyserrat-14-en-24-oic acid 3β-(4-hydroxybenzoate) (3), 3β,21β,29-trihydroxyserrat-14-en-24-oic acid 3β-(4-hydroxy-3-methoxybenzoate) (4), 3β,14α,15α,21β,29-pentahydroxyserrat-14-en-24-oic acid 3β-(4-hydroxybenzoate) (5), 3α,21β,24,29-tetrahydroxyserrat-14-en-16-one (6), 3α,21β,30-trihydroxyserrat-14-en-16-one (7) were isolated from Palhinhaea cernua var. sikkimensis, together with twelve known compounds (8—19). Their chemical structures were elucidated on the basis of spectroscopic evidence and comparison with literature values.
