Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. 68515-73-1, Name is (3R,4S,5S,6R)-2-(Decyloxy)-6-(hydroxymethyl)tetrahydro-2H-Pyran-3,4,5-triol, SMILES is O[C@H]1C(OCCCCCCCCCC)O[C@H](CO)[C@@H](O)[C@@H]1O, belongs to dioxoles compound. In a document, author is Oh, Chang Ho, introduce the new discover, Quality Control of (3R,4S,5S,6R)-2-(Decyloxy)-6-(hydroxymethyl)tetrahydro-2H-Pyran-3,4,5-triol.
Au(I)-Catalyzed Hydrative Rearrangement of 1,1-Diethynylcarbinol Acetates to Functionalized Cyclopentenones and Allenones
Atom-economical syntheses of isomeric 5-acetoxy-2-alkyl-2-cyclopentenones (2) and acetoxymethyl (x-alkylailen ones (3) have been described via Au-catalyzed hydrative rearrangement of 1,1-diethynyl-carbinol acetates (1). In anhydrous condition, Au(I)-catalyzed [3,3]-rearrangement of 1 afforded the 3-alkynylallenyl acetate 4 in low yield. Treatment of 1 with Au(I) catalyst in wet CH2Cl2 produced either 2 or 3 as a major product depending on the temperature, reaction time. and catalyst loading. D has been proposed as an intermediate, which might be formed via Au(I)-induced internal oxacyclization of the intermediate 4 followed by chemoselective nucleophilic attack by the water molecule. Formation of 2 or 3 might be explained via sequential 1,3-dioxole ring opening and gold-promoted 5-endo-dig carbocyclization or simple protonation of the intermediate D, respectively.
The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 68515-73-1 is helpful to your research. Quality Control of (3R,4S,5S,6R)-2-(Decyloxy)-6-(hydroxymethyl)tetrahydro-2H-Pyran-3,4,5-triol.
Reference:
1,3-Benzodioxole – Wikipedia,
,Dioxole | C3H4O2 – PubChem