(-)-cis-Clavicipitic Acid
October 23rd, 2007 by Natural Product
To little time, to many tasks to do…
But, fortunately, I always find time to publish some nice total synthesis. Today – one of an ergot alkaloid – (-)-cis-Clavicipitic Acid:

Nice tricyclic structure, isn’t it? This compound was isolated from Clavicepis fusiformis (some kind of fungis, I guess) and SD58. Biological activity of (-)-cis-Clavicipitic Acid is still under investigation (and total synthesis of that target is part of the program). But, let’ see some retrosynthetic analysis…
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