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. Author manuscript; available in PMC: 2010 Aug 2.
Published in final edited form as: J Am Chem Soc. 2008 Dec 10;130(49):16490–16491. doi: 10.1021/ja8074852

Figure 1.

Figure 1

(A) Structures of the massadines (1–2) and axinellamines (3–4). (B) Retrosynthetic analysis of the massadines (1–2). (C) Chemoselective silver(II) oxidation. (D) Selected failed approaches.