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James Levi Knippel

As seen in: Wiley Online Library, ACS Publications
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Articles

A General Strategy for the Asymmetric Preparation of α‐Stereogenic Allyl Silanes, Germanes, and Boronate Esters via Dual Copper Hydride‐ and Palladium‐Catalysis

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By James Levi Knippel, Anton Z. Ni, Alexander W. Schuppe, Stephen L. Buchwald
| Wiley Online Library Verified
Stereodefined metalloids (−SiR3, −BR2, −GeR3,) are useful synthetic intermediates due to their ability to engage with electrophiles in carbon-carbon and carbon-heteroatom bond forming reactions.1 Enantioenriched allyl metalloids are particularly important for their diverse applications, including addition into carbonyls,2 stereospecific cross-couplings,3 and functional group interconversions (Figure 1A).4 In many cases, complexes with chiral auxiliaries on the metalloid atom, such as...
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Enantioselective Hydroalkenylation of Olefins with Enol Sulfonates Enabled by Dual Copper Hydride and Palladium Catalysis

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By Alexander W. Schuppe, Gustavo M. Borrajo-Calleja, Stephen L. Buchwald, James Levi Knippel
| ACS Publications
Download Hi-Res ImageDownload to MS-PowerPointCite This:J. Am. Chem. Soc. 2021, XXXX, XXX RETURN TO ARTICLES ASAPPREVCommunicationNEXT Alexander W. Schuppe, James Levi Knippel, Gustavo M. Borrajo-Calleja Gustavo M. Borrajo-Calleja Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States , and Stephen L.
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