Phytoecdysteroids from Ajuga macrosperma var. breviflora roots.

@article{Castro2008PhytoecdysteroidsFA,
  title={Phytoecdysteroids from Ajuga macrosperma var. breviflora roots.},
  author={Amaya Castro and J. Coll and Yudelsy A. Tandr{\'o}n and Anil Kumar Pant and Chandra Shekhar Mathela},
  journal={Journal of natural products},
  year={2008},
  volume={71 7},
  pages={
          1294-6
        }
}
Three new phytoecdysteroids, ajugacetalsterones C (1) and D (3) and breviflorasterone (2), were isolated from the roots of Ajuga macrosperma var. breviflora along with five known compounds, namely, 20-hydroxyecdysone, cyasterone, makisterone A, 20-hydroxyecdysone 3-acetate, and 20-hydroxyecdysone 2-acetate. The structures of 1-3 were elucidated on the basis of extensive 1D and 2D NMR spectroscopic studies. The new compounds possess acetal oxygen bridges between C-26 and C-20/C-22, or C-26/C-23… 
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This review summarizes the phytochemical progress of the genus Ajuga and lists the compounds isolated up to 2014.
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