title: A chiral bis(betaine) catalyst for the Mannich reaction of azlactones and aliphatic imines.
authors.affiliation: Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, 230026 China.
authors.forename: Wen-Quan
authors.initials: WQ
authors.lastname: Zhang
authors.forename: Ling-Feng
authors.initials: LF
authors.lastname: Cheng
authors.forename: Jie
authors.initials: J
authors.lastname: Yu
authors.forename: Liu-Zhu
authors.initials: LZ
authors.lastname: Gong