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 92420-89-8, Name is (2S,3S,4S,5R,6R)-2-(Methoxycarbonyl)-6-(2,2,2-trichloro-1-iminoethoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate,molecular formula is C15H18Cl3NO10, is a conventional compound. this article was the specific content is as follows.Synthetic Route of 92420-89-8
The synthesis of morphine-3,6-di-beta-D-glucuronide as the monolithium salt from a fully protected morphine-6-beta-D-glucuronide 12 via selective 3-deacetylation followed by Lewis acid-catalyzed 3-glucuronidation, and stepwise deprotection with lithium hydroxide is described.
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Reference：
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics