Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 355, Issue 13, Pages 2531-2537Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201300373
Keywords
arylsulfonyloxindoles; asymmetric synthesis; 3,3-disubstituted oxindoles; nitroalkanes; organocatalysis; quaternary stereogenic centers
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Funding
- NSFC [20732006]
- MOST (973 program) [2009CB825300]
- Ministry of Education
- CAS
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An enantioselective organocatalytic addition of nitroalkanes to oxindolylideneindolenines in the presence of bifunctional organocatalysts has been established to provide an efficient entry to 3,3-disubstituted oxindole derivatives in high yields and with excellent enantioselectivities. The transformation has been applied to the preparation of the key intermediate for a formal total synthesis of (+)-gliocladin C.
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