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.name: (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
The Schiff bases derived from salicylaldehydes and o-amino thiophenol (1, 1?) react with uranyl salts to yield two series of uranyl-thioschiff base complexes of the type (3-6) and (3?-6?). These Schiff bases act as tridentate ONS donor ligands. Similar reaction of o aminothiophenol with diketones yield benzthiazolines (2, 2?) and rearranged to thioschiff bases of N2S2 donor systems in uranyl complexes (7, 7?). The peroxo derivatives of the formulae (8, 8?) and (9, 9?) have also been isolated. The complexes have been characterised by elemental analyses, IR and thermal studies. The peroxo contents have been determined by redox titration and are found to be thermally stable.
Note that a catalyst decreases the activation energy for both the forward and the reverse reactions and hence accelerates both the forward and the reverse reactions.name: (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, you can also check out more blogs about499-40-1
Reference：
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics