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Lichun Shen

University of Minnesota

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Featured researches published by Lichun Shen.

Tetrahedron Letters | 2002

Chiral enamide. Part 1: Epoxidations of chiral enamides. A viable approach to chiral nitrogen stabilized oxyallyl cations in [4+3] cycloadditions

Hui Xiong; Richard P. Hsung; Lichun Shen; Juliet M. Hahn

Abstract The first study of stereoselective epoxidations of chiral enamides is described here. Its potential in the synthesis of chiral α-keto aminals as a viable approach to nitrogen stabilized oxyallyl cations in stereoselective [4+3] cycloadditions is also illustrated.

Journal of the American Chemical Society | 2003

A Copper-Catalyzed C−N Bond Formation Involving sp-Hybridized Carbons. A Direct Entry to Chiral Ynamides via N-Alkynylation of Amides

Michael O. Frederick; Jason A. Mulder; Michael R. Tracey; Richard P. Hsung; Jian Huang; Kimberly C. M. Kurtz; Lichun Shen; Christopher J. Douglas

Journal of Organic Chemistry | 2006

Copper(II)-Catalyzed Amidations of Alkynyl Bromides as a General Synthesis of Ynamides and Z-Enamides. An Intramolecular Amidation for the Synthesis of Macrocyclic Ynamides

Xuejun Zhang; Yanshi Zhang; Jian Huang; Richard P. Hsung; Kimberly C. M. Kurtz; Jossian Oppenheimer; Matthew E. Petersen; Irina K. Sagamanova; Lichun Shen; Michael R. Tracey

Organic Letters | 2003

Highly Stereoselective Synthesis of Novel α-Haloenamides via a Mild and Efficient Hydrohalogenation of Ynamides

Jason A. Mulder; Kimberly C. M. Kurtz; Richard P. Hsung; Heather A. Coverdale; Michael O. Frederick; Lichun Shen; Craig A. Zificsak

Organic Letters | 2005

Highly Regioselective Radical Cyclizations of Allenamides

Lichun Shen; Richard P. Hsung

Organic Letters | 2005

Copper-Catalyzed Stereospecific N-Allenylations of Amides. Syntheses of Optically Enriched Chiral Allenamides

Lichun Shen; Richard P. Hsung; Yanshi Zhang; and Jennifer E. Antoline; Xuejun Zhang

Tetrahedron Letters | 2003

Pauson–Khand cycloaddition reactions of chiral ynamides. Observation of an unusual endo-addition with norbornadiene

Lichun Shen; Richard P. Hsung

Tetrahedron Letters | 2008

Saucy-Marbet Rearrangements of Alkynyl Halides in the Synthesis of Highly Enantiomerically Enriched Allenyl Halides

Yu Tang; Lichun Shen; Becky J. Dellaria; Richard P. Hsung

ChemInform | 2007

Synthesis of N-Sulfenyl Allenamides via [2,3]-Sigmatropic Rearrangements

Lichun Shen; Richard P. Hsung

ChemInform | 2006

N‐Arylalkanamides, Ynamides, Enamides, Dienamides, and Allenamides

Michael R. Tracey; Richard P. Hsung; J. Antoline; Kimberly C. M. Kurtz; Lichun Shen; B. W. Slafer; Yanshi Zhang

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Richard P. Hsung

University of Wisconsin-Madison

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Kimberly C. M. Kurtz

University of Wisconsin-Madison

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Michael R. Tracey

University of Minnesota

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Hui Xiong

University of Minnesota

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Jason A. Mulder

University of Minnesota

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Jennifer E. Antoline

University of Wisconsin-Madison

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Jian Huang

University of Minnesota

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Juliet M. Hahn

University of Minnesota

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Michael O. Frederick

Scripps Research Institute

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Xuejun Zhang

University of Wisconsin-Madison

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