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The Cover Feature illustrates the product selectivity due to confinement in metal organic frameworks (MOFs). In their Minireview, A. Dhakshinamoorthy, A. M. Asiri and H. Garcia, have shown that shape selective catalysis arises from spatial constraints provided by MOF cavities while no such selectivity is observed with non-porous solids. This Minireview is organized according to the nature of active sites covering a wide reaction range, including cyanosilylation, epoxide ring opening, Friedel-Crafts alkylation, Knoevenagel condensation, olefin hydrogenation and oxidation of sulfur compounds. This work illustrates that product selectivity is highly influenced by effective pore engineering of MOFs. Credit Statement: The ZIF-8 structure is by Claire L. Hobday et al. (Nature Communications 2018, 9, 1429: Springer Nature) and is used under CC-BY-4.0 International License. Modifications to this figure include coloring. More information can be found in the Minireview by A. Dhakshinamoorthy, A. M. Asiri and H. Garcia.
The asymmetric unit of the title compound, C(17)H(14)N(2)O(4), contains two independent mol-ecules in which the benzene rings are in a trans arrangement with respect to the C=C double bond and the rings are inclined by 4.3 (1) and 22.1 (1)° with respect to each other.
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
