期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 81, 期 21, 页码 10558-10568出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.6b01553
关键词
-
资金
- Chinese Academy of Sciences [XDB 20020100]
- National Natural Science Foundation of China [21372008, 21272247, 21572247, 21290184]
The enantioselective construction of five-membered spirocyclic oxindoles via a double Michael cascade reaction is described by using dipeptide-based multifunctional quaternary phosphonium salt catalysts. The desired products were obtained in excellent yields (up to 94%) and good to high stereo-selectivities (up to >19:1 dr and 99% ee).
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