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Issue 37, 2013
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N-Heterocyclic carbene-catalyzed highly enantioselective synthesis of substituted dihydropyranopyrazolones

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Abstract

Highly optically pure multisubstituted dihydropyrano[2,3-c]pyrazol-6-(1H)-ones were synthesized via the N-heterocyclic carbene-catalyzed enantioselective [4 + 2] annulation of α-chloroaldehydes and pyrazolone-derived oxodienes.

Graphical abstract: N-Heterocyclic carbene-catalyzed highly enantioselective synthesis of substituted dihydropyranopyrazolones

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Article information


Submitted
15 Jul 2013
Accepted
31 Jul 2013
First published
01 Aug 2013

Org. Biomol. Chem., 2013,11, 6255-6257
Article type
Communication

N-Heterocyclic carbene-catalyzed highly enantioselective synthesis of substituted dihydropyranopyrazolones

H. Zhang, H. Lv and S. Ye, Org. Biomol. Chem., 2013, 11, 6255
DOI: 10.1039/C3OB41455H

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