Angewandte Chemie International Edition

Cover image for Vol. 56 Issue 51

Editor: Neville Compton; Editor Emeritus: Peter Gölitz

Online ISSN: 1521-3773

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

50_15b/2011Back Cover: Salalen Titanium Complexes in the Highly Isospecific Polymerization of 1-Hexene and Propylene (Angew. Chem. Int. Ed. 15/2011)

An array of road signs indicating no parking, no entry, and parking make it clear for the bound polymeryl group which quadrant it should occupy. In their Communication on page 3529 ff., M. Kol et al. describe how the combined action of electronic and steric effects in octahedral polymerization catalysts controls enantiofacial monomer insertion, thus leading to ultra-highly isotactic polypropylene. (Artwork by Tremani)

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