title: Enantioselective synthesis of fluorene derivatives by chiral phosphoric acid catalyzed tandem double Friedel-Crafts reaction.
authors: State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China.
authors: Feng-Lai
authors: FL
authors: Sun
authors: Mi
authors: M
authors: Zeng
authors: Qing
authors: Q
authors: Gu
authors: Shu-Li
authors: SL
authors: You