Tetrahedron Letters p. 2247 - 2250 (1987)
Update date:2022-07-30
Topics:
Ito, Yoshihiko
Nakajo, Eiji
Sho, Katsuhiko
Tamao, Kohei
α-(Phenylmethylsulfonio) ketone triflates (1) are treated with a suspension of KF in aprotic polar solvent to give dimeric 2-acylcyclobutanones (2), which are rearranged to γ,δ-unsaturated δ-valerolactones (3) by acid catalysts.
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(2017)
