期刊
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
卷 2018, 期 6, 页码 781-784出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201701640
关键词
Synthetic methods; Cross-coupling; Alkynes; Decarboxylation; Oxidation; Chorination
资金
- National Research Foundation of Korea (NRF) - Korea Government (MSIP) [NRF-2015R1A4A1041036, NRF-2017R1A2B2002929]
2,2-Dichloro-1,2-diarylethanones were synthesized from diarylalkynes and trichloroisocyanuric acid. The reaction was conducted in CH3CN/H2O at room temperature for 12 h. In addition, the desired 2,2-dichloro-1,2-diarylethanones could be prepared from aryl bromides and propiolic acid through sequential Pd-catalyzed decarboxylative coupling and chlorination. This method showed moderate to good yields and good tolerance toward functional groups such as chlorides, bromides, aldehydes, and ketones.
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