海量图书期刊资源,随时随地畅享阅读乐趣
An Unusual Reaction of a Pyridinium Ylide with 1,1-Dicyanoethylene DerivativesYamada, Shinji; Ohta, Emiko · Chemistry Letters · 2008
Enantioselective Cyclopropanation Reaction Using a Conformationally Fixed Pyridinium Ylide Through a Cation—π Interaction.Shinji Yamada; Jun Yamamoto; Emiko Ohta · 2007
Enantioselective cyclopropanation reaction using a conformationally fixed pyridinium ylide through a cation–π interactionShinji Yamada; Jun Yamamoto; Emiko Ohta · 2007