Multistep Solvent-Free 3 m2 Footprint Pilot Miniplant for the Synthesis of Annual Half-Ton Rufinamide Precursor

The development of a pilot-scale synthesis of the rufinamide precursor in flow chemistry is reported. Complex steps such as Taylor-flow, segmented flow, and high-temperature processing at high pressure (high-p,T) are successfully combined, overcoming the mixing and heat transfer issues of the scale-...

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Bibliographic Details
Published inACS sustainable chemistry & engineering Vol. 7; no. 20; pp. 17237 - 17251
Main Authors Escribà-Gelonch, Marc, de Leon Izeppi, Gerardo Antonio, Kirschneck, Dirk, Hessel, Volker
Format Journal Article
LanguageEnglish
Published American Chemical Society 21.10.2019
Subjects
Intensification
Rufinamide
Multiphase
Solvent-free
Scale-up
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Summary:The development of a pilot-scale synthesis of the rufinamide precursor in flow chemistry is reported. Complex steps such as Taylor-flow, segmented flow, and high-temperature processing at high pressure (high-p,T) are successfully combined, overcoming the mixing and heat transfer issues of the scale-up. The cascaded multistep process operates essentially solvent-free in just 3 m2 giving a productivity of 47 g/h (>400 kg/year), which increases by a factor of 7 the lab-scale productivity previously reported as a scale-up proof-of-concept. This publication also includes an economic study of the feasible implementation of this technology for a possible manufacturer, as well as an outline on business development strategies of how to implement such a disruptive technology.
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ISSN:2168-0485
2168-0485
DOI:10.1021/acssuschemeng.9b03931