title: Highly rigid diphosphane ligands with a large dihedral angle based on a chiral spirobifluorene backbone.
authors.affiliation: State Key Laboratory and Institute of Elemento-organic Chemistry, Nankai University, Tianjin 300071, China, Fax: (+86) 222-350-6177.
authors.forename: Xu
authors.initials: X
authors.lastname: Cheng
authors.affiliation: State Key Laboratory and Institute of Elemento-organic Chemistry, Nankai University, Tianjin 300071, China, Fax: (+86) 222-350-6177.
authors.forename: Qi
authors.initials: Q
authors.lastname: Zhang
authors.affiliation: State Key Laboratory and Institute of Elemento-organic Chemistry, Nankai University, Tianjin 300071, China, Fax: (+86) 222-350-6177.
authors.forename: Jian-Hua
authors.initials: JH
authors.lastname: Xie
authors.affiliation: State Key Laboratory and Institute of Elemento-organic Chemistry, Nankai University, Tianjin 300071, China, Fax: (+86) 222-350-6177.
authors.forename: Li-Xin
authors.initials: LX
authors.lastname: Wang
authors.affiliation: State Key Laboratory and Institute of Elemento-organic Chemistry, Nankai University, Tianjin 300071, China, Fax: (+86) 222-350-6177.
authors.forename: Qi-Lin
authors.initials: QL
authors.lastname: Zhou