Journal
JOURNAL OF FLOW CHEMISTRY
Volume 5, Issue 1, Pages 2-5Publisher
AKADEMIAI KIADO RT
DOI: 10.1556/JFC-D-14-00033
Keywords
isotope exchange; deuterium labeling; flow chemistry; C-H activation; microreactor; immobilized catalyst
Categories
Funding
- Janssen Pharmaceutica N.V.
- Dutch Science Foundation [12464]
- European Union [333659]
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Deuterated compounds are important in drug discovery and development, e.g., to prepare the so-called stable isotopically labeled internal standards. However, their preparation can be challenging, and its scalability could be difficult with regard to safety aspects. Herein, we report the first continuous-flow iridium( I)-catalyzed ortho-directed hydrogen-deuterium exchange reaction in microreactors. An immobilized iridium( I) catalyst was loaded in continuous- flow microreactors, such as continuous stirred tank reactors and packed-bed reactors. Best results were obtained in a packed-bed reactor allowing deuterium labeling up to M +7.
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