Malonate-type bis(oxazoline) ligands with sp2 hybridized bridge carbon: synthesis and application in Friedel–Crafts alkylation and allylic alkylation
作者:Hongliang Chen、Fengpei Du、Lei Liu、Jing Li、Qiuying Zhao、Bin Fu
DOI:10.1016/j.tet.2011.09.106
日期:2011.12
the Friedel–Crafts reaction and allylicalkylation. The Cu(II) complex of ligand 4b bearing the benzyl group afforded good to excellent enantioselectivity for the F–C adducts (up to >99% ee) between indole and alkylidene malonate, and the palladium complex of ligand 4c bearing the phenyl group afforded excellent enantioselectivity (up to 94% ee) for the allylicalkylation product.