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. Author manuscript; available in PMC: 2012 Jun 1.
Published in final edited form as: J Am Chem Soc. 2011 May 11;133(21):8150–8153. doi: 10.1021/ja2032635

Scheme 3. Completion of the Total Synthesis of Epicoccin G (1)a.

Scheme 3

aReagents and conditions. a) O2, TPP (0.02 equiv), CH2Cl2, 400W Philips-MH400/U sunlamp, −45 °C, 0.7 h; then DBU (10.0 equiv), −45→0 °C; 1 h, 52% from 18; b) H2, Pd(OH)2/C (20% w/w, 0.4 equiv), MeOH, 25 °C, 1 h, 86%.