In heterogeneous catalysis, the catalyst is in a different phase from the reactants. At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. In an article, once mentioned the application of 499-40-1, Name is (2R,3S,4R,5R)-2,3,4,5-Tetrahydroxy-6-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)hexanal,molecular formula is C12H22O11, is a conventional compound. this article was the specific content is as follows.Reference of 499-40-1
A novel blue luminescent [Zn(L)(CN)2] complex (L = 2,2?-dipyridylamine) is synthesized and characterized by an X-ray diffraction study; the crystal packing in the Zn complex reveals that the molecules self-assemble by intermolecular hydrogen bonds [N-H…N?C distance = 2.965(7) A] and face-to-face pi=pi aromatic stacking interactions to form two-dimensional sheets.
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Reference：
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics