Tetrahedron Letters p. 1751 - 1754 (1982)
Update date:2022-07-30
Topics:
Kende, Andrew S.
Roth, Bruce
Kubo, Isao
A stereospecific sequence from the octalindione 2 leads in 21 steps to the new insecticide ajugarin-IV.Formation of the butenolide portion is conveniently achieved from acid 21 by sucessive use of the reagents tris(trimethylsiloxy)ethylene and ketenylidenetriphenylphosphorane.
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(2008)
