Kristian Rahbek Knudsen

The First Catalytic Asymmetric Aza-Henry Reaction of Nitronates with Imines:  A Novel Approach to Optically Active β-Nitro-α-Amino Acid- and α,β-Diamino Acid Derivatives

Kristian Rahbek Knudsen, Tine Risgaard, Nagatoshi Nishiwaki et al. · Journal of the American Chemical Society · 2001 · 227 citations

Chemical Engineering, Enantioselective Synthesis, Engineering +13

Catalytic Enantioselective Addition of Nitro Compounds to Imines—A Simple Approach for the Synthesis of Optically Activeβ-Nitro-α-Amino Esters

Nagatoshi Nishiwaki, Kristian Rahbek Knudsen, Kurt V. Gothelf et al. · Angewandte Chemie International Edition · 2001 · 190 citations

Optically Activeβ-nitro-α-amino Esters, Engineering, Asymmetric Nitro-mannich Reaction +10

Asymmetric organocatalytic conjugate addition of malonates to enones using a proline tetrazole catalyst

Kristian Rahbek Knudsen, Claire E. T. Mitchell, Steven V. Ley · Chemical Communications · 2005 · 169 citations

Useful Organocatalyst, Novel Organocatalysts, Asymmetric Addition +11

A chiral molecular recognition approach to the formation of optically active quaternary centres in aza-Henry reactions

Kristian Rahbek Knudsen, Karl Anker Jørgensen · Organic & Biomolecular Chemistry · 2005 · 138 citations

Chemical Engineering, Enantioselective Synthesis, Engineering +14

The use of a continuous flow-reactor employing a mixed hydrogen–liquid flow stream for the efficient reduction of imines to amines

Steen Saaby, Kristian Rahbek Knudsen, Mark Ladlow et al. · Chemical Communications · 2005 · 123 citations