An improved synthesis of pennogenin
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DOI: 10.1016/j.tet.2018.11.009
Abstract: Abstract An improved synthesis of pennogenin, a bioactive component of Chinese herb “Chonglou” (Paris), is described. A ring-switching process opened the ring E of diosgenin and allowed the use of a hydroxyl-directed diboration/oxidation to introduce… read more here.
Keywords: synthesis pennogenin; improved synthesis;