title: Ruthenium- and sulfonamide-catalyzed cyclization between N-sulfonyl imines and alkynes.
abstract: Ruthenium(II)-catalyzed redox-neutral annulative coupling of N-sulfonyl imines with alkynes has been achieved for the synthesis of indenamines, where a sulfonamide cocatalyst is necessary.
authors.affiliation: Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
authors.forename: Peng
authors.initials: P
authors.lastname: Zhao
authors.forename: Fen
authors.initials: F
authors.lastname: Wang
authors.forename: Keli
authors.initials: K
authors.lastname: Han
authors.forename: Xingwei
authors.initials: X
authors.lastname: Li