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. Author manuscript; available in PMC: 2014 Aug 8.
Published in final edited form as: Nat Chem. 2013 Mar 24;5(5):410–416. doi: 10.1038/nchem.1597

Figure 3. Tatanans B and C can conceivably arise from cyclization of tatanan A during their biosynthesis.

Figure 3

The total synthesis of tatanan A enabled an exploration of biomimetic cyclization of tatanan A derivatives to tatanans B and C, which proved unsuccessful under a variety of cationic or radical reaction conditions.