Organocatalytic enantioselective Diels-Alder reaction of dienes with alpha-(N,N-Diacylamino)acroleins |
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| Authors: | Ishihara Kazuaki Nakano Kazuhiko Akakura Matsujiro |
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| Institution: | Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan. ishihara@cc.nagoya-u.ac.jp |
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| Abstract: | 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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