Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. 84-65-1, Name is Anthracene-9,10-dione, SMILES is O=C1C2=C(C=CC=C2)C(C3=CC=CC=C13)=O, belongs to thiomorpholine compound. In a document, author is Chan, Wing Chi, introduce the new discover, COA of Formula: C14H8O2.
Evaluation and optimization of synthetic routes from dihydroartemisinin to the alkylamino-artemisinins artemiside and artemisone: A test of N-glycosylation methodologies on a lipophilic peroxide
10-Alkylamino-artemisinins including artemiside and artemisone display enhanced activities against malaria. Earlier, dihydroartemisinin (DHA) TMS ether was converted by trimethylsilyl bromide into the 10-beta-bromide that with amine nucleophiles provided the amino-artemisinins. In an attempt to develop more economic approaches, direct N-glycosylation of DHA was examined but 2-deoxyartemisinin was invariably obtained. However, hydroxyl group activation by conversion into the 10 beta-halide in non-polar solvents with anhydrous HCl and Group I and II metal halides, oxalyl chloride or thionyl chloride with catalytic DMSO, and oxalyl bromide did succeed. The beta-halides were converted in situ by thiomorpholine into artemiside, and by thiomorpholine-1,1-dioxide into artemisone respectively in scalable reactions. Hydrogen peroxide-acetonitrile or the urea-hydrogen peroxide complex efficiently oxidized the sulfide artemiside to the sulfone artemisone. Overall, a generalized approach to 10-alkylamino-artemisinins is now available. (C) 2018 Elsevier Ltd. All rights reserved.
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 84-65-1 is helpful to your research. COA of Formula: C14H8O2.
Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem