Angewandte Chemie International Edition

Cover image for Vol. 56 Issue 28

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

53_16/2014Cover Picture: Organocatalytic Asymmetric Formation of Steroids (Angew. Chem. Int. Ed. 16/2014)

Inspired by “Mountain View”, a painting by Paul Klee, K. A. Jørgensen and co-workers present the organocatalytic asymmetric formation of steroids in their Communication on page 4137 ff. The picture applies mosaic shapes in analogy with the artistic elements of Paul Klee to illustrate the organocatalytic asymmetric formation of steroids. The A and B ring in the steroid (to the left) and the D ring (to the right) are merged by the green organocatalyst in the middle towards the blue sky.

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Also of Interest

Inspired by “Mountain View”, a painting by Paul Klee, K. A. Jørgensen and co-workers present the organocatalytic asymmetric formation of steroids in their Communication on page 4137 ff. The picture applies mosaic shapes in analogy with the artistic elements of Paul Klee to illustrate the organocatalytic asymmetric formation of steroids. The A and B ring in the steroid (to the left) and the D ring (to the right) are merged by the green organocatalyst in the middle towards the blue sky.

Annulation Methodsfor001

S. Katukojvala et al. describe in their Communication on page 4076 ff. the direct [4+2] benzannulation of pyrroles to indoles by using a rhodium enalcarbenoid generated by rhodium(II)-catalyzed decomposition of enaldiazo compounds.


Redox-Non-Innocent Ligandsfor002

E. Otten and co-workers describe formazanate anions as unique ligands in coordination chemistry in their Communication on page 4118. The redox chemistry of these ligands allows the full characterization of bis(formazanate) zinc complexes in three oxidation states.


Enzyme Inhibitionfor003

In their Communication on page 4098 ff., N. P. Farrell and co-workers present evidence that zinc inhibits the pro-apoptotic protein caspase-3 through interacting with the active-site histidine residue rather than with the catalytic dyad.


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