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Updated: Mar 11, 2026

High-throughput and Comprehensive Drug Surveillance Using Multisegment Injection-Capillary Electrophoresis-Mass Spectrometry
Published on: April 23, 2019
Ultrafast chiral separations for high throughput enantiopurity analysis.
Chandan L Barhate1, Leo A Joyce2, Alexey A Makarov2
1Process Research & Development, MRL, Merck & Co., Inc., Rahway, NJ 07065, USA. erik.regalado@merck.com christopher_welch@merck.com and Department of Chemistry, University of Texas at Arlington, Arlington, TX 76019, USA.
Ultrafast chromatographic enantioseparations now enable sub-minute analysis of enantiopurity for pharmaceutical compounds. This breakthrough supports high-throughput screening in drug development and synthetic chemistry.
Area of Science:
- Analytical Chemistry
- Pharmaceutical Sciences
- Organic Chemistry
Background:
- Traditional enantiopurity analysis takes 5-20 minutes, hindering high-throughput research.
- Many researchers doubt the applicability of sub-minute enantioseparations for real-world compounds.
Purpose of the Study:
- To develop and demonstrate ultrafast chromatographic enantioseparations for pharmaceutically relevant molecules.
- To validate the routine applicability of sub-minute enantioseparation methods.
Main Methods:
- Supercritical Fluid Chromatography (SFC) for ultrafast enantioseparations.
- Reversed-Phase Liquid Chromatography (RP-LC) for ultrafast enantioseparations.
- Development of sub-minute resolution methods for diverse drug compounds and intermediates.
Main Results:
- Achieved sub-minute enantioseparations for the majority of tested pharmaceutically-related drugs and intermediates.
- Demonstrated the feasibility of ultrafast high-throughput analysis using both SFC and RP-LC.
- Provided examples of routine method development for enantioselective synthesis support.
Conclusions:
- Ultrafast chromatographic enantioseparations are now achievable and broadly applicable.
- Sub-minute enantioseparation methods can be routinely implemented to accelerate pharmaceutical research and development.
- This advancement significantly enhances the efficiency of enantioselective synthesis investigations.
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