Chemistry Letters p. 1061 - 1064 (1982)
Update date:2022-08-03
Topics:
Takeshita, Hitoshi
Mametsuka, Hiroaki
Uchida, Kingo
By pyrolysis over 140 deg C, several 2-alkenyloxytropones gave terminal dienes and regenerated tropolones.The elimination proceeded in the electrocyclic 6?+2?+2?-mode on the Claisen intermediates.This was applied to a synthesis of thujopsadiene.
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