Enantioselective [2+2] cycloaddition of unactivated alkenes with alpha-acyloxyacroleins catalyzed by chiral organoammonium salts.
Ishihara
Kazuaki
K
Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan. ishihara@cc.nagoya-u.ac.jp
Nakano
Kazuhiko
K