Blay, G.; Fernández, I.; Muñoz Roca, María del Carmen; Pedro, J.R.; Recuenco, A.; Vila, C.(American Chemical Society, 2011-06-18)
Chiral complexes of 1,10-bi-2-naphthol-based ligands with
zirconium tert-butoxide catalyze the Friedel Crafts alkylation of pyrroles
with R-ketoesters to afford tertiary alcohols in good yields and ee up to 98%.
The ...