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M. Rueping, E. Sugiono
Table 11 Scope of the first enantioselective Brønsted acid catalyzed Nazarov
cyclization
Scheme 8. Isomerization without loss of enantioselectivities
We have developed the first enantioselective Brønsted acid catalyzed
Nazarov reaction. This efficient method is not only the first example of
an organocatalytic electrocyclic reaction but it also provides the corre-
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