Tetrahedron Letters p. 6807 - 6810 (1992)
Update date:2022-09-26
Topics:
Corey, E. J.
Ishihara, Kazuaki
The new chiral bis(oxazoline) ligand 8 has been synthesized from (S)-phenylglycine and has been shown to form effective catalysts for enantioselective Diels-Alder addition in combination with ferric iodide, magnesium iodide or magnesium tetraphenylborate.Catalytic activation of the dienophile, 3-acryloyl-1,3-oxazolidine-2-one (4), in the magnesium system is proposed to involve tetrahedrally coordinated magnesium in a dispositive complex (10).
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(1948)
