Gamma-methylidene-delta-valerolactones as a coupling partner for cycloaddition: palladium-catalyzed [4 + 3] cycloaddition with nitrones.
Shintani
Ryo
R
Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan.
Murakami
Masataka
M
Hayashi
Tamio
T