Enantioselective acces to five- and six- membered nitogen - containing heterocycles, based on the asymetric Michael addition of chiral imines and chiral enamino esters.

Abstract

The addition reaction of chiral imines, (ent-10, 48, 70) and chiral enamino esters (52, 55, 73) with maleic anhydride (32), citraconic anhydride (57), a-chloroacrylonitrile (29), and nitroethylene (74), has been investigated. (...)