Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 57, Issue 51, Pages 16721-16726Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201810145
Keywords
carboxylic acids; computational chemistry; decarbonylation; regioselectivity; transition-metal catalysis
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Funding
- Rutgers University
- NSF (CAREER) [CHE-1650766]
- NSFC [21702182]
- Chinese Thousand Youth Talents Plan
- Zhejiang University
- NSF-MRI grant [CHE-1229030]
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Decarbonylative borylation of carboxylic acids is reported. Carbon electrophiles are generated directly after reagent-enabled decarbonylation of the in situ accessible sterically-hindered acyl derivative of a carboxylic acid under catalyst controlled conditions. The scope and the potential impact of this method are demonstrated in the selective borylation of a variety of aromatics (> 50 examples). This strategy was used in the late-stage derivatization of pharmaceuticals and natural products. Computations reveal the mechanistic details of the unprecedented C-O bond activation of carboxylic acids. By circumventing the challenging decarboxylation, this strategy provides a general synthetic platform to access arylpalladium species for a wide array of bond formations from abundant carboxylic acids. The study shows a powerful combination of experiment and computation to predict decarbonylation selectivity.
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