An analog of ritterazine Y was synthesized from hecogenin acetate in 23 steps via functional group manipulations of hecogenin acetate. Preparation of the north G and south Y units and the late stage Guo-Fuchs asymmetric coupling of the both units afforded the ritterazine Y analog.
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http://dx.doi.org/10.1016/j.steroids.2012.10.021 | DOI Listing |
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