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Cover Picture Designed Synthesis of POMЦOrganic Frameworks from {Ni6PW9} Building Blocks under Hydrothermal Conditions (Angew. Chem. Int. Ed. 212008)

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Solid-State Reactions
R. Merkle and J. Maier
Fluorous Tags for Microarrays
N. L. Pohl
Dynamic DNA Systems
U. Feldkamp and C. M. Niemeyer
ACIEFS 47 (21) 3843–4028 (2008) · ISSN 1433–7851 · Vol. 47 · No. 21
2008–47/21
Cover Picture
Shou-Tian Zheng, Jie Zhang, and Guo-Yu Yang*
Rigid carboxylate linkers allow the orientated aggregation of Ni6-substituted
polyoxotungstates under hydrothermal conditions, as G.-Y. Yang et al. describe in
their Communication on page 3909 ff. The syntheses lead to unusual one, two, and
three-dimensional organic polyoxometallte structures formed of monomeric, dimeric,
or polymeric helical secondary structural units.
Solid-State Reactions
The equilibration of an oxide with the surrounding oxygen partial pressure is a
complex, multistep process, but its fine details can nevertheless be studied. In the
Review on page 3874 ff., R. Merkle and J. Maier describe the processes involved in
the incorporation of oxygen in the model perovskite SrTiO3.
Polyoxometalates
The rapid oxidation of water with a stable, entirely inorganic ruthenium
polyoxometalate is presented by C. Hill et al. in their Communication on
page 3896 ff. The results show that the complex remains intact during the reaction.
Supramolecular Catalysis
A supramolecular catalyst reduces a,b-unsaturated carboxylic acids into aldehydes,
as reported by B. Breit and T. Šmejkal on page 3946 ff. The reaction proceeds at
mild conditions, tolerates many functional groups, and liberates CO2 as the only
stoichiometric by-product.
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block, hydrothermal, pomцorganic, ni6pw9, building, 212008, int, framework, cover, angel, synthesis, chem, designer, picture, conditions
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