期刊
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
卷 2019, 期 34, 页码 5998-6002出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201901092
关键词
Triphenylphosphine; Selectfluor; Carboxylic acids; Acid anhydrides; Acyl fluorides
资金
- National Natural Science Foundation of China [21602190]
- Foundation of Department of Science and Technology of Henan Province [172102210456]
- Henan Key Scientific Research Project [17A150049, 18A150049]
- Nanhu Scholars Program for Young Scholars of XYNU
By taking the advantage of PPh3/Selectfluor system, carboxylic acids are efficiently converted into the pivotal intermediates acyloxyphosphonium ions that can selectively react with a second carboxylic acid or fluoride to in situ yield the corresponding acid anhydrides or acyl fluorides. The developed protocol features commercially availabile reagents, no involvement of base, room temperature conditions, and simple experimental procedure. Additionally, various amides or esters are readily achieved, respectively, with the addition of amines or alcohols.
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