1286738-49-5Relevant articles and documents
PyBidine-Cu(OTf)2-catalyzed asymmetric [3+2] cycloaddition with imino esters: Harmony of Cu-lewis acid and imidazolidine-NH hydrogen bonding in concerto catalysis
Arai, Takayoshi,Ogawa, Hiroki,Awata, Atsuko,Sato, Makoto,Watabe, Megumi,Yamanaka, Masahiro
supporting information, p. 1595 - 1599 (2015/01/30)
A bis(imidazolidine)pyridine (PyBidine)-Cu(OTf)2 complex catalyzing the endo-selective [3+2] cycloaddition of nitroalkenes with imino esters was applied to the reaction of methyleneindolinones with imino esters to afford spiro[pyrrolidin-3, 3′-