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Total synthesis of lycogarubin C and lycogalic acid
James S Oakdale1, Dale L Boger
1Department of Chemistry and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, USA.
Organic Letters
|February 13, 2010
Abstract:
Two complementary concise total syntheses of lycogarubin C (1) and lycogalic acid (2, aka chromopyrrolic acid) are detailed utilizing a 1,2,4,5-tetrazine --> 1,2-diazine --> pyrrole Diels-Alder strategy and enlisting acetylenic dienophiles.

