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A Modular, Argon-Driven Flow Platform for Natural Product Synthesis and Late-Stage Transformations
Merlin Kleoff1, Johannes Schwan1, Mathias Christmann1
1Institut für Chemie und Biochemie, Organische Chemie, Freie Universität Berlin, Takustraße 3, 14195 Berlin, Germany.
Organic Letters
|March 10, 2021
Summary
A novel modular flow platform utilizes 3D-printed parts for flexible natural product synthesis. This approach minimizes waste through gas-driven flow and enables reproducible, inert reactions using "Schlenk-in-flow" techniques.
Area of Science:
- Organic Chemistry
- Chemical Engineering
- Sustainable Chemistry
Background:
- Natural product synthesis often requires complex setups and generates significant waste.
- Achieving inert conditions for sensitive reagents in flow chemistry can be challenging.
- Modular and adaptable platforms are needed to improve efficiency and sustainability in synthesis.
Purpose of the Study:
- To design a flexible, modular flow platform for natural product synthesis.
- To develop and implement sustainable practices, including waste reduction, in flow chemistry.
- To establish robust methods for handling air- and moisture-sensitive reagents under inert conditions in flow.
Main Methods:
- Development of a modular flow platform with interchangeable 3D-printed components.
- Implementation of switchable liquid- and gas-driven flow systems.
- Adaptation of "Schlenk-in-flow" techniques for handling sensitive reagents.
- Application of the platform to natural product synthesis transformations.
Main Results:
- The modular platform demonstrated high flexibility for various reaction setups.
- Switching to gas-driven flow significantly minimized reagent and solvent waste, enhancing sustainability.
- Developed "Schlenk-in-flow" techniques enabled safe and reproducible handling of sensitive reagents.
- Successful and reproducible natural product synthesis transformations were achieved using the platform.
Conclusions:
- The designed modular flow platform offers a flexible and sustainable approach to natural product synthesis.
- The integration of gas-driven flow and "Schlenk-in-flow" techniques enhances reaction efficiency and safety.
- This platform provides a versatile tool for advancing synthetic chemistry with improved environmental credentials.
