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The title compounds are diterpenoids isolated from the Himalayan yew (Taxus wallichiana Zucc.). The crystal structures allow us to rationalize some peculiar features of the NMR data of the taxane 4(20)-epoxides. Conformational differences between epoxide, olefin-type and oxetane-type compounds like paclitaxel are summarized.
Supporting information
| Crystallographic Information File (CIF) Contains datablocks taxoid, 1, 2 |
| Structure factor file (CIF format) Contains datablock 1 |
| Structure factor file (CIF format) Contains datablock 2 |
CCDC references: 129355; 129356
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