A Novel Method for Direct Construction of Indole Skeletons by Intramolecular Carbopalladation of Allenes Followed by Nucleophilic Substitution - Hiroi, Kunio; Hiratsuka, Yuko; Watanabe, Kazuhiro; Abe, Ikuko; Kato, Fumiko; Hiroi, Mayumi (Synlett, 2001)