A tricyclic sesquiterpenoid, valeriananoid A 1, has been synthesized via domino Michael reaction of oxophorone 4 and subsequent 6-endo-trig cyclization of a ketyl radical as key steps. (C) 2003 Elsevier Science Ltd. All rights reserved.
A tricyclic sesquiterpenoid, valeriananoid A 1, has been synthesized via domino Michael reaction of oxophorone 4 and subsequent 6-endo-trig cyclization of a ketyl radical as key steps. (C) 2003 Elsevier Science Ltd. All rights reserved.