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Synthesis 2013; 45(3): 382-388
DOI: 10.1055/s-0032-1317956
DOI: 10.1055/s-0032-1317956
paper
Bifunctional Tertiary Phosphine-Catalyzed Cascade Michael–Henry Reaction of a β-Nitroolefin and a 2-(1-Substituted 3-oxo-3-phenylpropyl)malononitrile
Weitere Informationen
Publikationsverlauf
Received: 17. August 2012
Accepted after revision: 06. Dezember 2012
Publikationsdatum:
21. Dezember 2012 (online)


Abstract
The bifunctional phosphine catalyst 2′-(diphenylphosphino)biphenyl-2-ol was used in an effective synthesis of highly functionalized cyclohexanols through a cascade Michael–Henry reaction of a β-nitroolefin and a 2-(1-substituted 3-oxo-3-phenylpropyl)malononitrile. The method has the advantages of requiring mild conditions and providing a convenient workup, high diastereoselectivity, good atom economy, and a wide substrate scope, rendering it useful for the synthesis of highly functionalized cyclohexanols.
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- for this article is available online at http://www.thieme-connect.com/ejournals/toc/synthesis.
- Supporting Information