INTRAMOLECULAR CYCLIZATION OF γ-ACETYLENIC ACIDS USING DENDRIMER-ENCAPSULATED Pd2+ CATALYSTS
作者:Kiyotomi Kaneda、Zen Maeno、Tomoo Mizugaki、Koichiro Jitsukawa、Takato Mitsudome
DOI:10.3987/com-12-s(n)96
日期:——
Polyamine dendrimer-encapsulated Pd2+ catalysts were prepared by complexation of PdCl2 with internal tertiary amino groups of the dendrimer. The fifth-generation Pd2+ dendrimer catalyst showed cooperative catalysis between Pd2+ species and the internal nanocavity consisting of regularly arranged tertiary amino groups to promote the intramolecular cyclization of gamma-acetylenic acids efficiently.