ChemInform Abstract: Asymmetric Synthesis of Spiropyrazolones by Sequential Organo‐ and Silver Catalysis

An asymmetric Michael addition and a formal Conia‐ene reaction give rise to a stereoselective one‐pot synthesis of spiropyrazolones.

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Bibliographische Detailangaben
Veröffentlicht in:	ChemInform 2016-05, Vol.47 (22), p.no-no
Hauptverfasser:	Hack, Daniel, Duerr, Alexander B., Deckers, Kristina, Chauhan, Pankaj, Seling, Nico, Ruebenach, Lukas, Mertens, Lucas, Raabe, Gerhard, Schoenebeck, Franziska, Enders, Dieter
Format:	Artikel
Sprache:	eng
Schlagworte:	catalysis, phase‐transfer catalysis diastereoselective syntheses, enantioselective syntheses (incl. cis/trans‐isomerism) indan derivatives organocatalysis pyrazole derivatives ring closure reactions, annulation reactions spirocyclic compounds (heterocyclic compounds)
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Beschreibung
Zusammenfassung:	An asymmetric Michael addition and a formal Conia‐ene reaction give rise to a stereoselective one‐pot synthesis of spiropyrazolones.
ISSN:	0931-7597 1522-2667
DOI:	10.1002/chin.201622111