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  • Organocatalytic enantioselective Diels-Alder reaction of dienes with alpha-(N,N-Diacylamino)acroleins.

Organocatalytic enantioselective Diels-Alder reaction of dienes with alpha-(N,N-Diacylamino)acroleins.

Organic letters (2008-06-07)
Kazuaki Ishihara, Kazuhiko Nakano, Matsujiro Akakura
摘要

Catalytic and highly enantioselective Diels-Alder reaction of cyclic and acyclic dienes with alpha-phthalimidoacroleins provides cyclic alpha-quaternary alpha-amino acid precursors. The conformationally flexible chiral ammonium salt of H-L-Phe-L-Leu-N(CH(2)CH(2)) 2-reduced triamine with pentafluorobenzensulfonic acid is very effective as an asymmetric catalyst for the Diels-Alder reaction.

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Sigma-Aldrich
酞酰亚胺, ≥99%
Sigma-Aldrich
酞酰亚胺 钾盐, 98%
Sigma-Aldrich
酞酰亚胺 钾盐, purum, ≥99.0% (NT)