Angewandte Chemie International Edition

Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Cover image for Vol. 52 Issue 25

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, Zeitschrift für Chemie

Cover Picture: Topochemical Photodimerization in the Coordination Polymer [{(CF3CO2)(μ-O2CCH3)Zn}2(μ-bpe)2]n through Single-Crystal to Single-Crystal Transformation (Angew. Chem. Int. Ed. 15/2005)

44_15/2005Railroad polymers are one-dimensional metal coordination polymers that form a molecular ladder structure. The cover picture shows such a structure, comprised of Zn–(4,4'-bipyridylethylene) units, which undergoes [2 + 2] photochemical cycloaddition across the rails to form another 1D coordination polymeric structure accompanied by quantitative single-crystal to single-crystal transformation. For more details see the Communication by J. J. Vittal and co-workers on page 2237 ff. (The cover picture was designed by Bellam Sreenivasulu.)

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Also of Interest

Nanotechnologyfor001

Nanoparticles are key components in heterogeneous catalysis and future energy technologies. In their Review on page 2190 ff., A. Wokaun et al. discuss how electronic and morphological factors affect the properties of metal nanoparticles.


Large Cyclopeptidesfor002

Two copper centers catalyze the cycloaddition reaction between an azide and an alkyne. In their Communications on pages 2210 ff. and 2215 ff., M. G. Finn and co-workers show how this reaction can be used for the selective production of large cyclic dimers from resin- tethered peptides.


Helical Polymersfor003

In their Communication on page 2275 ff., E. W. Meijer and co-workers discuss how a chiral supramolecular “sergeant” affects the backbone stereochemistry during the polymerization of achiral “soldier” monomers.


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