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Cleft molecules as organocatalysts in an asymmetric hetero-Diels–Alder reaction

✍ Scribed by Annika Friberg; Cecilia Olsson; Fredrik Ek; Ulf Berg; Torbjörn Frejd

Book ID
108284199
Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
416 KB
Volume
18
Category
Article
ISSN
0957-4166

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A new class of C 2 -symmetric 3,3 0 -dialkoxy-2,2 0 -bipyrrolidines have been designed and developed for asymmetric organocatalytic Diels-Alder reactions of a,b-unsaturated aldehydes. The bipyrrolidines combined with HClO 4 were found to be effective organocatalysts for enantioselective Diels-Alder