7343-55-7

Upstream product

• 2218-96-4 2,4-dinitrothiophenol 
• 75-03-6 ethyl iodide 
• 2217-55-2 bis(2,4-dinitrophenyl) disulphide 
• 122-52-1 triethyl phosphite 
• 31924-73-9 (2,4-dinitro-phenyl)-phenyl-disulfane 
• 74-96-4 ethyl bromide 
• 51256-42-9 Sodium 2,4-dinitrophenyl sulfide 
• 97-00-7 1-chloro-2,4-dinitro-benzene 
• 811-51-8 sodium thioethylate 
• 814-49-3 diethyl chlorophosphate 
• 70-34-8 2,4-Dinitrofluorobenzene 
• 75-08-1 ethanethiol 
• 2253-67-0 bis-(2,4-dinitro-phenyl)-sulfide 
• 528-76-7 2,4-dinitrobenzenesulfenyl chloride 

Downstream Products

• 837-21-8 ethyl-(2,4-dinitro-phenyl)-sulfone 
• 835-57-4 methyl 2,4-dinitrophenyl sulfone 

Relevant academic research and scientific papers

Stimuli-Responsive Polymer Film that Autonomously Translates a Molecular Detection Event into a Macroscopic Change in Its Optical Properties via a Continuous, Thiol-Mediated Self-Propagating Reaction

This Communication describes a chemically responsive polymer film that is capable of detecting low levels of a specific applied molecular signal (thiol) and subsequently initiating a self-propagating reaction within the material that converts the nonfluorescent film into a globally fluorescent material. We illustrate that the intensity of the resulting fluorescent material is independent of the quantity of the applied thiol, whereas the rate to reach the maximum level of signal is directly proportional to the quantity of the signal. In contrast, a control film, which lacks functionality for mediating the self-propagating reaction, provides a maximum change in fluorescence that is directly proportional to the quantity of the applied thiol. This level of nonamplified signal is 78% lower in intensity (when initiated with 100 μM of applied thiol) than is achieved when the material contains functionality that supports the self-powered, self-propagating amplification reaction.

Nucleophilic aromatic substitution for heteroatoms: An oxidative electrochemical approach

The nucleophilic aromatic substitution for heteroatom through electrochemical oxidation of the intermediate σ-complexes (Meisenheimer complexes) in simple nitroaromatic compounds is reported for the first time (NASX process). The studies have been carried out with hydride, cyanide, fluoride, methoxy, and ethanethiolate anions and n-butylamine as a nucleophile, at the cyclic voltammetry (CV) and preparative electrolysis level. The cyclic voltammetry experiments allow for detection and characterization of the σ-complexes and they have led us to a proposal for the mechanism of the oxidation step. Furthermore, the power of the CV technique in the analysis of the reaction mixture throughout the whole chemical and electrochemical process is described.

Co-C bond cleavage in the reactions of alkyl, benzyl and heteroaromaticmethyl cobaloximes with arene sulfenyl chloride: Homolytic and heterolytic pathways

The reactions of arene sulfenyl chlorides, ArSCl, (Ar=Ph, C6Cl5, 2,4 (NO2)2C6H3) with organocobaloximes, RCo(dmgH)2Py, (R=alkyl, benzyl and heteroaromaticmethyl) were carried out under thermal and photochemical conditions. A variety of organic and organometallic products are formed depending upon the substrate cobaloxime. For 3-methoxybenzyl and heteroaromaticmethyl cobaloximes the results suggest that they represent a unique class of cobaloximes whereby both the aromatic ring as well as the Co-C bond are highly activated towards attack by the arene sulfenyl chloride. Both homolytic as well as heterolytic pathways are operative.

In Pursuit of Cyclopropanethione: Cyclopropanethione S-Oxide and S,S-Dioxide

The geometries of cyclopropanethione (1a), methylenethiirane (2a), cyclopropanethione S-oxide (1b), methylenethiirane S-oxide (2b), cyclopropanethione S,S-dioxide (1c), methylenethiirane S,S-dioxide (2c), thioformaldehyde S,S-dioxide (sulfene), and the te

Diaryl Sulfide Cleavage by Sodium Sulfide in Dipolar Aprotic Solvents

The interaction of sodium sulfide with diaryl sulfides that possess electron-withdrawing substituents (e. g., cyano or nitro) on the aromatic rings results in cleavage of the thioether and the formation of sodium aryl sulfides in dipolar aprotic solvents.Exchange reactions between these diaryl sulfides and sodium aryl sulfides are also observed in dipolar aprotic solvents.The cleavage and exchange reactions were employed to prepare mixed diaryl or alkyl aryl sulfides from symmetrical diaryl sulfides.