4.4 Article

Synthesis of 3-Nitropyrrolidines via Dipolar Cycloaddition Reactions Using a Modular Flow Reactor

Journal

SYNLETT
Volume -, Issue 5, Pages 749-752

Publisher

GEORG THIEME VERLAG KG
DOI: 10.1055/s-0029-1219344

Keywords

microreactor; flow chemistry; pyrrolidine; dipolar cycloaddition; solid-supported reagents

Funding

  1. Cambridge European Trust
  2. Ralph Raphael Studentship award
  3. Royal Society
  4. BP endowment
  5. EPSRC [EP/G028125/1] Funding Source: UKRI
  6. Engineering and Physical Sciences Research Council [EP/G028125/1] Funding Source: researchfish

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The generation and subsequent use of unstabilised azomethine ylides in dipolar cycloaddition reactions within a flow microreactor is demonstrated. The 3-nitropyrrolidines produced were furthermore subjected to chemoselective hydrogenation reactions using the H-Cube (R) system. To ensure product purities in excess of 90-95%, immobilised scavengers were successfully employed.

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