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Issue 28, 2012
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Relay catalysis: combined metal catalyzed oxidation and asymmetric iminium catalysis for the synthesis of Bi- and tricyclic chromenes

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Abstract

A catalytic asymmetric oxidative iminium–allenamine cascade allows the use of propargyl alcohols as stable substrates and yields valuable chiral bicyclic 4H-chromenes. A subsequent Michael addition–condensation domino reaction provides complex tricyclic 4H-chromenes in a highly enantioselective fashion.

Graphical abstract: Relay catalysis: combined metal catalyzed oxidation and asymmetric iminium catalysis for the synthesis of Bi- and tricyclic chromenes

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Supplementary files

Article information


Submitted
07 Jan 2012
Accepted
10 Feb 2012
First published
23 Feb 2012

Chem. Commun., 2012,48, 3406-3408
Article type
Communication

Relay catalysis: combined metal catalyzed oxidation and asymmetric iminium catalysis for the synthesis of Bi- and tricyclic chromenes

M. Rueping, J. Dufour and M. S. Maji, Chem. Commun., 2012, 48, 3406
DOI: 10.1039/C2CC00129B

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