期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 357, 期 14-15, 页码 3057-3063出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201500514
关键词
aryldifluoroacetylation; cyclization; dearomatization; photoredox catalytic reaction; synthetic methods
资金
- Nature National Science Foundation of China [21172106, 21074054, 21372114]
- National Basic Research Program of China [2010CB923303]
- Research Fund for Doctoral Program of Higher Education of China [20120091110010]
A visible light-mediated difluoroacetylation of cinnamamides with ethyl bromodifluoroacetate as a CF2 radical precursor is described. The reaction incorporates tandem cyclization or cyclization/dearomatization processes. The latter process occurs when there is a p-RO substituent on the aniline. This protocol affords straightforward new routes to separately synthesize quinoline-2-ones and spiro[4.5]decanes in moderate to good yields.
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