Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 56, Issue 46, Pages 14698-14701Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201708900
Keywords
alkynes; asymmetric synthesis; cyclization; heterocycles; palladium
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Funding
- National Natural Science Foundation of China [21232006, 21272249]
- Chinese Academy of Sciences
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A novel palladium(II)-catalyzed cyclization of aniline-tethered alkynyl cyclohexadienones is reported. This reaction offers an atom-economical and redox-neutral access to various cyclohexenone-fused tetrahydropyrano[3,4-b] indoles with high yield and excellent enantioselectivity. Remarkably, this work represents the first example on a transition-metal-catalyzed asymmetric intramolecular aminopalladation/1,4 addition sequence.
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