ArticleAnalytical chemistry2024
Direct Enantiomer Differentiation of Drugs and Drug-Like Compounds via Noncovalent Copper-Amino Acid Complexation and Ion Mobility-Mass Spectrometry.
Article in Analytical chemistry, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Chiral Carbohydrate Adducts are Effective for Enantiomeric Ion Mobility Separations.Journal of the American Society for Mass Spectrometry · 2026Article
- Chiral Analysis for High-Throughput Reaction Screening: Recent Advances in Accelerating Asymmetric Catalysis Discovery.Chemistry (Weinheim an der Bergstrasse, Germany) · 2026Review
- Rapid Chiral Analysis of Drugs with Multiple Stereocenters via High-Resolution Ion Mobility.Analytical chemistry · 2026Article
- Mass Spectrometry in Chiral Analysis and Synthesis.Chirality · 2026Article
- Rapid differentiation of D/L-homocysteine, D/L-homocystine, and S-allyl-D/L-cysteine using ion mobility-mass spectrometry.Analytical and bioanalytical chemistry · 2026Article
- Assessment of Variable Traveling Wave Profiles for Small-Molecule Applications in Ion Mobility Spectrometry-Mass Spectrometry (IMS-MS).Journal of the American Society for Mass Spectrometry · 2025Article
- Determination of the Molar Fraction and Enantiomeric Excess of Electrosprayed Amino Acid Anions Employing Photoelectron Circular Dichroism.Analytical chemistry · 2025Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Drug enantiomers can possess vastly different pharmacological properties, yet they are identical in their chemical composition and structural connectivity. Thus, resolving enantiomers poses a great challenge in the field of separation science. Enantiomer separations necessitate interaction of the analyte with a chiral environment─in mass spectrometry-based analysis, a common approach is through a three-point interaction with a chiral selector commonly introduced during sample preparation. In select cases, the structural difference imparted through noncovalent complexation results in enantiomer-specific structural differences, facilitating measurement using a structurally selective analytical technique such as ion mobility-mass spectrometry (IM-MS). In this work, we investigate the direct IM-MS differentiation of chiral drug compounds using mononuclear copper complexes incorporating an amino acid chiral selector. A panel of 20 chiral drugs and drug-like compounds were investigated for separation, and four l-amino acids (l-histidine, l-tryptophan, l-proline, and l-tyrosine) were evaluated as chiral selectors (CS) to provide the chiral environment necessary for differentiation. Enantiomer differentiation was achieved for four chiral molecule pairs (
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