A new spirosecokaurenoid, enanderinanin F 1 and its C-6 epimer, angustifolin were isolated from the aerial parts of Isodon enanderianus. The structure of 1 was determined on the basis of spectral data, especially by 2...A new spirosecokaurenoid, enanderinanin F 1 and its C-6 epimer, angustifolin were isolated from the aerial parts of Isodon enanderianus. The structure of 1 was determined on the basis of spectral data, especially by 2D techniques. The C-13 NMR data of angustifolin were revised by 2D NMR.展开更多
文摘A new spirosecokaurenoid, enanderinanin F 1 and its C-6 epimer, angustifolin were isolated from the aerial parts of Isodon enanderianus. The structure of 1 was determined on the basis of spectral data, especially by 2D techniques. The C-13 NMR data of angustifolin were revised by 2D NMR.
