Angewandte Chemie International Edition

Cover image for Vol. 54 Issue 37

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, ChemPlusChem, Zeitschrift für Chemie

52_24/2013Cover Picture: Regioselectively Functionalized Pyridines from Sustainable Resources (Angew. Chem. Int. Ed. 24/2013)

In the sustainable Ir-catalyzed synthesis of pyridine derivatives described by R. Kempe and S. Michlik in their Communication on page 6326 ff., alcohols and 1,3-amino alcohols are deoxygenated and selectively linked in C-N and C-C bond-forming steps. Three equivalents of hydrogen gas are liberated per generated pyridine unit (see reaction scheme). The wood and blossums in the background underline the fact that the starting materials can be obtained from renewable resources.

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Also of Interest

In the sustainable Ir-catalyzed synthesis of pyridine derivatives described by R. Kempe and S. Michlik in their Communication on page 6326 ff., alcohols and 1,3-amino alcohols are deoxygenated and selectively linked in C-N and C-C bond-forming steps. Three equivalents of hydrogen gas are liberated per generated pyridine unit (see reaction scheme). The wood and blossums in the background underline the fact that the starting materials can be obtained from renewable resources.

Supramolecular Hydrogelfor001

In their Communication on page 6180 ff., J. Li et al. describe a novel star–star supramolecular architecture that self-aggregates into a 3D network in response to temperature change, forming a thermo-responsive reversible hydrogel.


Porphyrin Analoguesfor002

The unusual bis-zwitterionic character of the isostructural, isoelectronic “pyrrol-free” analogue of porphyrin is one of the topics discussed by D. Jacquemin, O. Siri, and co-workers in their Communication on page 6250 ff.


Photoactivationfor003

In their Communication on page 6330 ff., C. Schultz and co-workers demonstrate that regionally limited photoactivation simultaneously leads to a local protein kinase C and a global calcium response.


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