Journal Article Asymmetric Synthesis of Multisubstituted Dihydrobenzofurans by Intramolecular Conjugate Addition of Short-Lived C–O Axially Chiral Enolates

Tomohara, Keisuke  ,  Kasamatsu, Koji  ,  Yoshimura, Tomoyuki  ,  Furuta, Takumi  ,  Kawabata, Takeo

64 ( 7 )  , pp.899 - 906 , 2016-07-01 , The Pharmaceutical Society of Japan = 日本薬学会
Enantioselective intramolecular conjugate addition reactions of short-lived C–O axially chiral enolates have been developed. The reactions proceeded with inversion of the configuration and provided dihydrobenzofurans with contiguous tetra- and trisubstituted carbon centers in up to 96% enantiomeric excess (ee).

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