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Highly enantioselective addition of ketones to nitroolefins catalyzed by new thiourea–amine bifunctional organocatalysts

✍ Scribed by Tsogoeva, Svetlana B.; Wei, Shengwei

Book ID: 117990028
Publisher: Royal Society of Chemistry
Year: 2006
Tongue: English
Weight: 236 KB
Volume: 13
Category: Article
ISSN: 1359-7345
DOI: 10.1039/b517937h

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## Abstract A highly enantioselective Michael reaction of aromatic ketones with nitroolefins was accomplished in the presence of a chiral bifunctional primary amine–thiourea catalyst and 4‐nitrobenzoic acid as the co‐catalyst; the corresponding adducts were obtained in excellent enantioselectivitie