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Thiopyrans and Their Benzo Derivatives
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The article was published on 2020-01-01. It has received 1 citations till now. The article focuses on the topics: Ring (chemistry) & Section (typography).read more
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4-Fluoro and 4-Hydroxy Pyrrolidine-thioxotetrahydropyrimidinones: Organocatalysts for Green Asymmetric Transformations in Brine.
TL;DR: The synthesis of both trans- and cis-diastereomers of pyrrolidinine-thioxotetrahydropyrimidinone bearing either a fluorine or a hydroxyl group was accomplished and the new catalysts could efficiently catalyze the reactions in brine, without the use of organic solvent, and by employing an almost stoichiometric amount of reagents.
Journal ArticleDOI
Application of silica vanadic acid as a heterogeneous, selective and highly reusable catalyst for oxidation of sulfides at room temperature
Mohammad Ali Zolfigol,Ardeshir Khazaei,Maliheh Safaiee,Mohammad Mokhlesi,Rahele Rostamian,Mahsa Bagheri,Morteza Shiri,Hendrik G. Kruger +7 more
TL;DR: In this paper, an efficient, highly reusable and heterogeneous catalyst for the selective oxidation of sulfide to sulfoxide using hydrogen peroxide and in the acetonitrile as a solvent at room temperature is presented.
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Sensitive determination of phenylephrine and chlorprothixene at poly(4-aminobenzene sulfonic acid) modified glassy carbon electrode.
TL;DR: The method proposed was successfully applied to the determination of PHE and CPT in drug injections or tablets and proved to be reliable compared with ultraviolet spectrophotometry.
Journal ArticleDOI
On the synthesis and optical properties of sulfur-bridged analogues of triangulenium cations and their precursors
TL;DR: In this paper, a crystal structural analysis of 9-(2,6-dimethoxyphenyl)-1,8-dimethyl-9H-thioxanthen-9-ol 16 was performed and the bond lengths between sulfur and carbon atoms were confirmed to be much longer than that of classical CO or CN in analogous frameworks.
Journal ArticleDOI
Unsymmetrical squarylium dyes with π-extended heterocyclic components and their application to organic dye-sensitized solar cells
TL;DR: In this article, four quaternary salts with extended π-systems were selected as electron-rich heterocyclic components and condensed with indole-based semisquarylium bearing a carboxyl group as an anchor for their immobilization on TiO 2 to obtain four unsymmetrical squarylium dyes ( SQ1-4 ).