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. 2017 May 29;22(6):895. doi: 10.3390/molecules22060895

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© 2017 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Scheme 33 — Multicomponent reaction based on the organocatalyzed enantioselective Michael addition of 1,3-dicarbonyl compounds to nitroolefins catalyzed by 124.