Sideritis pusilla

The beyerene diterpenoids isolated from Sideritis pusilla possess a C-l 4a-hydroxy-group. The 7,18-diacetate of pusillatriol (78) was prepared75 by rearrangement of the 15,16-epoxide of 7,18-diacetoxysideridiol, thus interrelating the two... 

Atiserenes.—The lla,16,17-trihydroxyatiserene structure has been proposed128 for atisideritol, obtained from Sideritis pusilla (Labiatae), on the basis of chemical and spectroscopic evidence. 

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See also in sourсe #XX -- [ ]

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