Barium complexes with crown-ether-functionalised amidinate and iminoanilide ligands for the hydrophosphination of vinylarenes
作者:Erwann Le Coz、Hanieh Roueindeji、Thierry Roisnel、Vincent Dorcet、Jean-François Carpentier、Yann Sarazin
DOI:10.1039/c9dt01512d
日期:——
The detailed multistep syntheses of two nitrogen-based sterically congested iminoanilidine and amidine proligands bearing a tethered 15-member aza-ether-crown macrocycle, namely I^Acrown}H and Amcrown}H, are reported. These proligands react with [BaN(SiMe2H)2}2·(thf)n] to generate the heteroleptic barium complexes [I^Acrown}BaN(SiMe2H)2] (5) and [Amcrown}BaN(SiMe2H)2] (6) in high yields. These