Journal
ORGANIC LETTERS
Volume 17, Issue 17, Pages 4364-4367Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.5b02209
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Funding
- Rutgers University
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Highly chemoselective, palladium(O)-catalyzed, direct cross-coupling between boronic acids and geometrically activated amides is reported. The reaction proceeds via selective activation of the N-C(O) bond, shows excellent functional group tolerance, and delivers the versatile ketone products in high yields. The observed reactivity is consistent with a decrease of nN -> pi*(c=o) conjugation resulting from destabilization of the amide ground state. Notably, the method provides direct access to acyl-metal intermediates from sterically distorted, bench-stable amide precursors under mild catalytic conditions.
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