期刊
CHEMICAL COMMUNICATIONS
卷 52, 期 16, 页码 3328-3331出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cc10132h
关键词
-
资金
- NSFC [21472039, 21402046]
- Hunan Provincial Natural Science Foundation of China [13JJ2018]
- Hunan Province Science and Technology Project [2015JC3052]
The Cu-catalyzed oxidative [2+2+1] annulation of 1,n-enynes (n = 6, 7) with alpha-carbonyl alkyl bromides through C-Br/C-H functionalization has been developed. Using Ag2CO3/tert-butyl hydroperoxide (TBHP) as co-oxidants, alpha-carbonyl alkyl bromides provide two bonds, the alpha-C(sp(3))-Br bonds and the alpha-C(sp(3))-H bonds, to cyclize with the 1,n-enynes and Cu(MeCN)(4)PF6, thus forming three new C-C bonds and two rings in a single reaction.
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