Direct separation and quantitative analysis of thyroxine and triiodothyronine enantiomers in pharmaceuticals by high-performance liquid chromatography

Quinine and quinidine derivatives as chiral selectors I. Brush type chiral stationary phases for high-performance liquid chromatography based on cinchonan carbamates and their application as chiral anion exchangers

Michael Lämmerhofer, Wolfgang Lindner · Journal of Chromatography A · 1996 · 336 citations

Pharmacy, Chemistry, Analytical Chemistry +15

Enantioselective anion exchangers based on cinchona alkaloid-derived carbamates: Influence of C8/C9 stereochemistry on chiral recognition

Norbert M. Maier, Lorenzo Nicoletti, Michael L�mmerhofer et al. · Chirality · 1999 · 164 citations

Pharmacy, Chemistry, Molecular Recognition +14

Quinine- versus carbamoylated quinine-based chiral anion exchangers

Alexandra Mandl, Lorenzo Nicoletti, Michael Lämmerhofer et al. · Journal of Chromatography A · 1999 · 159 citations

Pharmacy, Chemistry, Medicinal Chemistry +3

Method for the racemization of optically active amino acids

Shigeki Yamada, Chikara Hongo, Ryuzo Yoshioka et al. · The Journal of Organic Chemistry · 1983 · 144 citations

Natural Sciences, Biochemistry, Chemistry +7

Direct High-Performance Liquid Chromatographic Separation of Peptide Enantiomers:  Study on Chiral Recognition by Systematic Evaluation of the Influence of Structural Features of the Chiral Selectors on Enantioselectivity

Christoph Czerwenka, Michael Lämmerhofer, Norbert M. Maier et al. · Analytical Chemistry · 2002 · 69 citations

Pharmacy, Biochemistry, Chemistry +17