Compounds containing a chiral oxazoline ring have become one of the most successful,
versatile, and commonly used classes of ligands for asymmetric catalysis due to their ready …

Chalcones are a class of naturally occurring flavonoid compounds associated to a variety of
biological and pharmacological properties. Several reviews have been published describing …

Novel N,N,P-Tridentate Ligands for the Highly Enantioselective Copper-Catalyzed 1,4-Addition
of Dialkylzincs to Enones | Organic Letters ACS ACS Publications C&EN CAS Find my …

The development of asymmetric Michael additions for carbon–carbon bond formation is an
important challenge in organic synthesis. 1–5 These reactions have been performed under …

A [3+ 2] cycloaddition of diethyl 1, 2-oxiranephosphonate to aryl isocyanates catalyzed by
lanthanide cations is described. The reaction is highly regioselective and 5-substituted 2 …

Chiral piperazines were used as efficient catalysts in the addition of unmodified aldehydes
to nitroalkenes. The nature of the solvent, temperature, and catalyst load were found to …

Novel norephedrine-based chiral ligands with multiple stereogenic centers were
conveniently prepared from norephedrine and N-substituted pyrrole. These novel chiral …

Abstract Enantioselective copper-catalyzed 1, 4-addition of dialkylzincs to enones
proceeded in the presence of 0.1 mol% of Cu (OTf) 2 and 0.25 mol% of an N, N, P-ligand …

A Michael addition reaction of cyclic ketones and piperidones to a vinyl phosphonate is
described. The reaction, catalyzed by chiral diamines, produced geminal γ …

Enantioselective copper-catalyzed 1, 4-additions of dialkylzincs to enones were carried out
in the presence of 1mol% of Cu (OTf) 2 and 2.5 mol% of an N, N, P-ligand possessing a tert …