Mass Spectrometry in Chiral Analysis and Synthesis

Area of Science:

• Analytical Chemistry
• Organic Chemistry
• Biochemistry

Background:

• Mass spectrometry (MS) offers unique advantages for chiral chemistry, including high throughput, molecular specificity, and minimal sample requirements.
• Microdroplet technology and non-covalent molecular clusters are key areas of development in MS-based chiral applications.
• Understanding chirality is crucial in drug development and understanding fundamental biological processes like homochirality.

Purpose of the Study:

• To review recent advancements in mass spectrometry for chiral synthesis and analysis.
• To highlight the application of MS in high-throughput reaction screening and enantiomeric excess determination.
• To explore the potential of MS in investigating the origins of homochirality and chiral modifications in cancer biology.

Main Methods:

• Utilizing microdroplet sprays for accelerated nanoscale chemistry and high-throughput reaction screening.
• Employing the kinetic method for chiral analysis via competitive dissociation of molecular clusters.
• Leveraging ion trap mass spectrometry (ITMS) for direct discrimination of enantiomers.

Main Results:

• Demonstrated high-throughput synthesis of heterocyclics and drug candidates using automated MS instrumentation.
• Successfully determined enantiomeric excess using the kinetic method with molecular clusters.
• Revisited and validated direct enantiomer discrimination using ITMS.
• Connected MS findings to research on the serine octamer and chiral post-translational modifications in cancer.

Conclusions:

• Mass spectrometry is a powerful and versatile tool for addressing complex challenges in chiral synthesis and analysis.
• Emerging MS techniques, including microdroplets and cluster analysis, significantly enhance throughput and specificity.
• MS applications extend from drug discovery to fundamental questions in chemical biology and origins of life.