Andrew M. Clausen

Highly Efficient Asymmetric Synthesis of Sitagliptin

Karl B. Hansen, Yi Hsiao, Feng Xu et al. · Journal of the American Chemical Society · 2009 · 308 citations

Pharmacy, Biochemistry, Medicinal Chemistry +12

Solvent-Free Dynamic Nuclear Polarization of Amorphous and Crystalline <i>ortho</i>-Terphenyl

Ta‐Chung Ong, Melody L. Mak–Jurkauskas, Joseph J. Walish et al. · The Journal of Physical Chemistry B · 2013 · 79 citations · Full text

Natural Sciences, Chemistry, Medicinal Chemistry +16

Identification of Ammonium Chloride as an Effective Promoter of the Asymmetric Hydrogenation of a β-Enamine Amide

Andrew M. Clausen, Brianne Dziadul, Kristine L. Cappuccio et al. · Organic Process Research & Development · 2006 · 65 citations

Engineering, Chemical Engineering, Chemistry +14

Chromatographic Characterization of Phosphonate Analog EDTA-Modified Zirconia Support for Biochromatographic Applications

Andrew M. Clausen, Peter W. Carr · Analytical Chemistry · 1998 · 65 citations

Natural Sciences, Biochemistry, Chemistry +15

Magnesium Coordination-Directed <i>N</i>-Selective Stereospecific Alkylation of 2-Pyridones, Carbamates, and Amides Using α-Halocarboxylic Acids

Yuan‐Qing Fang, Matthew M. Bio, Karl B. Hansen et al. · Journal of the American Chemical Society · 2010 · 64 citations

Pharmacy, Chemistry, Medicinal Chemistry +12