Journal
ORGANIC LETTERS
Volume 19, Issue 19, Pages 5182-5185Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.7b02452
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Funding
- ERC under the European Union's Seventh Framework Programme/ERC [279850]
- Royal Society
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The tetramisole-promoted catalytic enantioselective [2,3]-sigmatropic rearrangement of quaternary ammonium salts bearing a (Z)-3-fluoro-3-arylprop-2-ene group generates, after addition of benzylamine, a range of beta-fluoro-beta-aryl-alpha-aminopentenamides containing a stereogenic tertiary fluorine substituent. Cyclic and acyclic nitrogen substituents as well as various aromatic substituents are tolerated, giving the beta-fluoro-beta-aryl-alpha-aminopentenamide products in up to 76% yield, 96:4 dr, and 98:2 er.
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