Volume 130, Issue 13 p. 3321

Titelbild

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Titelbild: Epoxides as Alkylating Reagents for the Catellani Reaction (Angew. Chem. 13/2018)

Dr. Hong-Gang Cheng,

Dr. Hong-Gang Cheng

http://qhzhou.whu.edu.cn/

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

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Chenggui Wu,

Chenggui Wu

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

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Han Chen,

Han Chen

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

These authors contributed equally.

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Ruiming Chen,

Ruiming Chen

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

These authors contributed equally.

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Guangyin Qian,

Guangyin Qian

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

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Zhi Geng,

Zhi Geng

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

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Qiang Wei,

Qiang Wei

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

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Yuanyuan Xia,

Yuanyuan Xia

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

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Jingyang Zhang,

Jingyang Zhang

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

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Yuming Zhang,

Yuming Zhang

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

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Prof. Dr. Qianghui Zhou,

Corresponding Author

Prof. Dr. Qianghui Zhou

[email protected]

orcid.org/0000-0002-8125-0380

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

The Institute for Advanced Studies, Wuhan University, Wuhan, 430072 China

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Dr. Hong-Gang Cheng,

Dr. Hong-Gang Cheng

http://qhzhou.whu.edu.cn/

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

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Chenggui Wu,

Chenggui Wu

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

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Han Chen,

Han Chen

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

These authors contributed equally.

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Ruiming Chen,

Ruiming Chen

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

These authors contributed equally.

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Guangyin Qian,

Guangyin Qian

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

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Zhi Geng,

Zhi Geng

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

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Qiang Wei,

Qiang Wei

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

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Yuanyuan Xia,

Yuanyuan Xia

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

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Jingyang Zhang,

Jingyang Zhang

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

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Yuming Zhang,

Yuming Zhang

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

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Prof. Dr. Qianghui Zhou,

Corresponding Author

Prof. Dr. Qianghui Zhou

[email protected]

orcid.org/0000-0002-8125-0380

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072 China

The Institute for Advanced Studies, Wuhan University, Wuhan, 430072 China

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First published: 23 February 2018

https://doi.org/10.1002/ange.201801898

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Graphical Abstract

Epoxide sind anspruchsvolle Alkylierungsreagentien in der Catellani-Reaktion. Q. Zhou und Mitarbeiter berichten in ihrer Zuschrift auf S. 3502 über ein kooperatives Katalysatorsystem aus einem Pd^II/XPhos-Komplex und dem Kaliumsalz von 5-Norbornen-2-carbonsäure, das die Verwendung von Epoxiden als Alkylierungsreagentien in Catellani-Reaktionen ermöglicht. Das Titelbild zeigt die Schlüsselkomponenten dieser neuartigen Transformation, mit repräsentativen Gebäuden der Universität Wuhan im Hintergrund. Bildentwurf: Jun Deng, Wuhan University.

Stickstoff-basierte Lewis-Säuren

D. W. Stephan et al. zeigen in ihrer Zuschrift auf S. 3380 ff., dass ein cyclisches (Alkyl)(amino)nitrenium mit kationischem Stickstoffatom eine verbesserte Elektrophilie aufweist.

Syntheseverfahren

B. Ge, L.-M. Liu, H. Wu et al. beschreiben in ihrer Zuschrift auf S. 3412 einen Ansatz, bei dem in Eisstücken eingeschlossene Chemikalien durch Schmelzen in eine Reaktionslösung freigesetzt werden, um Keimbildungs- und Wachstumsprozesse zu unterdrücken.

Naturstoffe

In der Zuschrift auf S. 3444 präsentieren J. Xu et al. die erste Totalsynthese von Astellatol, einem bereits vor drei Jahrzehnten isolierten Naturstoff. Die enantiospezifische Synthese baut das bicyclische Molekülgerüst effizient auf.