Nickel/Bis(oxazoline)-Catalyzed Asymmetric Kumada Reactions of Alkyl Electrophiles: Cross-Couplings of Racemic alpha-Bromoketones
The first asymmetric Kumada reactions of alkyl electrophiles are described, specifically, cross-couplings of racemic α-bromoketones with aryl Grignard reagents. Several features of this investigation are of interest. First, the couplings proceed at remarkably low temperature (−40 or −60 °C), which e...
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Format: | Article |
Language: | en_US |
Published: |
American Chemical Society
2011
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Online Access: | http://hdl.handle.net/1721.1/67688 |