Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 676-96-0, is researched, Molecular C3H9OP, about Identification of the strong Bronsted acid site in a metal-organic framework solid acid catalyst, the main research direction is metal organic framework solid catalyst Bronsted acid site.HPLC of Formula: 676-96-0.
It remains difficult to understand the surface of solid acid catalysts at the mol. level, despite their importance for industrial catalytic applications. A sulfated zirconium-based metal-organic framework, MOF-808-SO4, was previously shown to be a strong solid Bronsted acid material. In this report, we probe the origin of its acidity through an array of spectroscopic, crystallog. and computational characterization techniques. The strongest Bronsted acid site is shown to consist of a specific arrangement of adsorbed water and sulfate moieties on the zirconium clusters. When a water mol. adsorbs to one zirconium atom, it participates in a hydrogen bond with a sulfate moiety that is chelated to a neighboring zirconium atom; this motif, in turn, results in the presence of a strongly acidic proton. On dehydration, the material loses its acidity. The hydrated sulfated MOF exhibits a good catalytic performance for the dimerization of isobutene (2-methyl-1-propene), and achieves a 100% selectivity for C8 products with a good conversion efficiency.
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Reference:
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem