Solvent-Free, Continuous Synthesis of Hydrazone-Based Active Pharmaceutical Ingredients by Twin-Screw Extrusion

Deborah E. Crawford, Andrea Porcheddu, Aaron S. McCalmont, Francesco Delogu, Stuart L. James, Evelina Colacino

Research output: Contribution to journalArticlepeer-review

86 Citations (Scopus)
235 Downloads (Pure)

Abstract

Twin-screw extrusion (TSE) was used to synthesize hydantoin-based active pharmaceutical ingredients (APIs) such as nitrofurantoin and dantrolene, employing minimal or no solvent. Postsynthetic workup was not required. This work demonstrates that solvent-free synthesis can be conducted in a continuous manner for pharmaceutical products.
Original languageEnglish
Pages (from-to)12230-12238
Number of pages9
JournalACS Sustainable Chemistry & Engineering
Volume8
Issue number32
Early online date05 Aug 2020
DOIs
Publication statusPublished - 17 Aug 2020

Keywords

  • Renewable Energy, Sustainability and the Environment
  • General Chemical Engineering
  • Environmental Chemistry
  • General Chemistry

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