✍ Scribed by Christian Müller; Marije G. Nijkamp; Dieter Vogt
No coin nor oath required. For personal study only.
The cover picture shows the concept of operating a homogeneous catalyst under continuous operation conditions: The recycling of molecular‐weight‐enlarged transition‐metal complexes by suitable filtration methods and equipment in order to combine the advantages of both classical homogeneous and heterogeneous catalysis. Various aspects of molecular‐weight enlargement and immobilization of catalysts, and recent developments, are reported in the Microreview by D. Vogt et al. on p. 4011 ff.
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The cover picture shows the hexagonal 2:4 coordination complex formed between 1,3-bis(3Ј-pyridylethynyl)benzene and copper(II) acetate. The ligand, synthesized by the Sonagashira coupling of 1,3-ethynylbenzene with 3-bromopyridine, was designed to form hexagonal coordination complexes with metals th
The cover picture shows two examples of stable polynuclear ruthenium systems containing delocalized carbon-rich bridges with unusual topologies. In this work, the synthesis, the spectroscopic and voltammetric studies of a new family of bis(allenylidene) and mixed allenylideneϪacetylide complexes are