Publications by authors named "Karl B Hansen"

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Correction to "Highly Efficient Asymmetric Synthesis of Sitagliptin".
Karl B Hansen, Yi Hsiao, Feng Xu, Nelo Rivera, Andrew Clausen

J Am Chem Soc· August 2020

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Magnesium coordination-directed n-selective stereospecific alkylation of 2-pyridones, carbamates, and amides using α-halocarboxylic acids.
Yuan-Qing Fang, Matthew M Bio, Karl B Hansen, Matthew S Potter, Andrew Clausen

J Am Chem Soc· November 2010

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Highly efficient asymmetric synthesis of sitagliptin.
Karl B Hansen, Yi Hsiao, Feng Xu, Nelo Rivera, Andrew Clausen

J Am Chem Soc· July 2009

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A case of remote asymmetric induction in the peptide-catalyzed desymmetrization of a bis(phenol).
Chad A Lewis, Jeffrey L Gustafson, Anna Chiu, Jaume Balsells, David Pollard, Karl B Hansen

J Am Chem Soc· December 2008

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Organic chemistry: How to beat an alcohol problem.
Karl B Hansen

Nature· December 2008

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Remote desymmetrization at near-nanometer group separation catalyzed by a miniaturized enzyme mimic.
Chad A Lewis, Anna Chiu, Michele Kubryk, Jaume Balsells, David Pollard, Karl B Hansen

J Am Chem Soc· December 2006

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Detection and elimination of product inhibition from the asymmetric catalytic hydrogenation of enamines.
Karl B Hansen, Thorsten Rosner, Michele Kubryk, Peter G Dormer, Joseph D Armstrong

Org Lett· October 2005

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Highly selective hydrolytic kinetic resolution of terminal epoxides catalyzed by chiral (salen)Co(III) complexes. Practical synthesis of enantioenriched terminal epoxides and 1,2-diols.
Scott E Schaus, Bridget D Brandes, Jay F Larrow, Makoto Tokunaga, Karl B Hansen

J Am Chem Soc· February 2002

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Regio- and Enantioselective Cyclization of Epoxy Alcohols Catalyzed by a [Co(salen)] Complex.
Michael H Wu, Karl B Hansen, Eric N Jacobsen

Angew Chem Int Ed Engl· July 1999

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