Porous Capsules with a Large Number of Active Sites: Nucleation/Growth under Confined Conditions

Garai S, Rubcic M, Bögge H, Gouzerh P, Müller A (2015)
Chemistry - A European Journal 21(11): 4321-4325.

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This work deals with the generation of large numbers of active sites and with ensuing nucleation/growth processes on the inside wall of the cavity of porous nanocapsules of the type (pentagon)(12)(linker)(30) equivalent to {(Mo-VI)Mo-5(VI)}(12){Mo-2(V)(ligand)}(30). A first example refers to sulfur dioxide capture through displacement of acetate ligands, while the grafted sulfite ligands are able to trap {MoO3H}(+) units thereby forming unusual {(O2SO)(3)MoO3H}(5-) assemblies. A second example relates to the generation of open coordination sites through release of carbon dioxide upon mild acidification of a carbonate-type capsule. When the reaction is performed in the presence of heptamolybdate ions, MoO42- ions enter the cavity where they bind to the inside wall while forming new types of polyoxomolybdate architectures, thereby extending the molybdenum oxide skeleton of the capsule. Parallels can be drawn with Mo-storage proteins and supported MoO3 catalysts, making the results relevant to molybdenum biochemistry and to catalysis.
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Garai S, Rubcic M, Bögge H, Gouzerh P, Müller A. Porous Capsules with a Large Number of Active Sites: Nucleation/Growth under Confined Conditions. Chemistry - A European Journal. 2015;21(11):4321-4325.
Garai, S., Rubcic, M., Bögge, H., Gouzerh, P., & Müller, A. (2015). Porous Capsules with a Large Number of Active Sites: Nucleation/Growth under Confined Conditions. Chemistry - A European Journal, 21(11), 4321-4325.
Garai, S., Rubcic, M., Bögge, H., Gouzerh, P., and Müller, A. (2015). Porous Capsules with a Large Number of Active Sites: Nucleation/Growth under Confined Conditions. Chemistry - A European Journal 21, 4321-4325.
Garai, S., et al., 2015. Porous Capsules with a Large Number of Active Sites: Nucleation/Growth under Confined Conditions. Chemistry - A European Journal, 21(11), p 4321-4325.
S. Garai, et al., “Porous Capsules with a Large Number of Active Sites: Nucleation/Growth under Confined Conditions”, Chemistry - A European Journal, vol. 21, 2015, pp. 4321-4325.
Garai, S., Rubcic, M., Bögge, H., Gouzerh, P., Müller, A.: Porous Capsules with a Large Number of Active Sites: Nucleation/Growth under Confined Conditions. Chemistry - A European Journal. 21, 4321-4325 (2015).
Garai, Somenath, Rubcic, Mirta, Bögge, Hartmut, Gouzerh, Pierre, and Müller, Achim. “Porous Capsules with a Large Number of Active Sites: Nucleation/Growth under Confined Conditions”. Chemistry - A European Journal 21.11 (2015): 4321-4325.
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PMID: 25653204
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