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Chiral helical Lewis acids for asymmetric Diels-Alder catalysts

✍ Scribed by Maruoka, Keiji; Murase, Noriaki; Yamamoto, Hisashi


Book ID
120301530
Publisher
American Chemical Society
Year
1993
Tongue
English
Weight
740 KB
Volume
58
Category
Article
ISSN
0022-3263

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Asymmetric Diels-Alder reaction catalyse
✍ F. Rebiere; O. Riant; H.B. Kagan πŸ“‚ Article πŸ“… 1990 πŸ› Elsevier Science 🌐 English βš– 906 KB

Diels-Alder reaction between cyclopentadiene and various dienophiles (mainly methacrolein) at -78Β°C was catalysed by various chiral aluminum alcoholates. The catalysts were prepared by reaction of EtAICl2 with several families of dial (or their monoether monoalcohol derivatives) . The most enantiose