期刊
SYNLETT
卷 27, 期 8, 页码 1287-1291出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0035-1560600
关键词
dual catalysis; nucleophilic phosphine; formal [4+3] cyclo-addition reaction; aza-spirocycloheptane oxindole; aza-o-quinone methide
资金
- NSFC [21172097, 21202070, 21372105]
- International S&T Cooperation Program of China [2013DFR70580]
- National Natural Science Foundation from Gansu Province of China [1204WCGA015]
- '111' program from MOE of P. R. of China
An intermolecular, quaternary carbon center forming [4+3] cycloaddition reaction catalyzed by Lewis base and Bronsted base has been successfully developed. The dual catalysis exhibits a superior ability to enable a previously challenging reaction, and the corresponding quaternary aza-spirocycloheptane oxindole scaffolds are efficiently synthesized with moderate to high yields.
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