Angewandte Chemie International Edition

Cover image for Vol. 56 Issue 31

Editor: Peter Gölitz, Deputy Editors: Neville Compton, Haymo Ross

Online ISSN: 1521-3773

Associated Title(s): Angewandte Chemie, Chemistry - A European Journal, Chemistry – An Asian Journal, ChemistryOpen, ChemPhotoChem, ChemPlusChem, Zeitschrift für Chemie

49_40/2010Cover Picture: Cooperative Catalytic Reactions Using Organocatalysts and Transition-Metal Catalysts: Enantioselective Propargylic Alkylation of Propargylic Alcohols with Aldehydes (Angew. Chem. Int. Ed. 40/2010)

A transition-metal catalyst and an organocatalyst work cooperatively to mediate the enantioselective propargylic alkylation reaction. This process is described by Y. Nishibayashi and co-workers in their Communication on page 7289 ff. The authors liken the cooperative action of the catalysts to that of chopsticks.

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Also of Interest

Coordinated Amine–Boranesfor001

What happens when amine–boranes, such as ammonia–borane, react with coordinatively unsaturated transition-metal complexes? Answers to this question are given in the Minireview by S. Sabo-Etienne and G. Alcaraz on page 7170 ff.

Applications of DNAfor002

In recent years, chemists have begun to develop DNA for “laboratory” applications in catalysis, encoding, and stereochemical control. Key advances in these three exciting research areas are summarized by S. K. Silverman in his Review on p. 7180 ff.

Anion Receptorsfor003

The exceptional π-electron-acceptor strength of HAT(CN)6 renders it an excellent colorimetric anion sensor. As described by K. Dunbar et al. on p. 7202 ff., HAT(CN)6 is a unique case of a π-electron-deficient entity that exhibits concomitant anion–π and charge-transfer interactions.