Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 56, Issue 51, Pages 16338-16341Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201707759
Keywords
C-F activation; germanes; heterogeneous catalysis; hydrogermylation; silanes
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Funding
- Graduate School SALSA (School of Analytical Sciences Adlershof) - DFG
- Cluster of Excellence UniCat (Unifying Concepts in Catalysis) - DFG
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Functionalization reactions of the refrigerants HFO-1234yf (2,3,3,3-tetrafluoropropene) and HFO-1234ze (1,3,3,3-tetrafluoropropene) were developed. The selectivity and reactivity towards CF3 groups of C-F activation reactions can be controlled by employing either a germane or a silane as the hydrogen source. Unique transformations were designed to accomplish consecutive hydrogermylation and C-F activation steps. This allowed for an unprecedented transformation of an olefinic C-F bond into a C-H bond by heterogeneous catalysis. These reactions are catalyzed by nanoscopic aluminum chlorofluoride (ACF) under very mild conditions.
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