Copper-ion Assisted Photochemical Vapor Generation of Bromide and Bromate

2021 ◽  
Author(s):  
Richard Macedo de Oliveira ◽  
Daniel Borges ◽  
Patricia Grinberg ◽  
Zoltan Mester ◽  
Ralph E Sturgeon
Keyword(s):  
Acetic Acid ◽  
Acid Medium ◽  
Copper Ion ◽  
Vapor Generation ◽  
Acetic Acid Medium ◽  
Photochemical Vapor Generation

Significant enhancements in the photochemical vapor generation (PVG) efficiencies of both Br- and BrO3- species from a 2 % acetic acid medium occur in the presence of 10 mg L-1...

Micro-determination of pyrrole derivatives with N-bromosuccinimide in acetic acid medium

The Analyst ◽  
1976 ◽  
Vol 101 (1208) ◽  
pp. 867
Author(s):  
J. P. Sharma ◽  
V. K. S. Shukla ◽  
A. K. Dubey
Keyword(s):  
Acetic Acid ◽  
Acid Medium ◽  
Acetic Acid Medium ◽  
Pyrrole Derivatives

scholarly journals Perborate Oxidation of Substituted 5-Oxoacids in Aqueous Acetic Acid Medium: A Kinetic and Mechanistic Study

2014 ◽  
Vol 2014 ◽  
pp. 1-7 ◽  
Author(s):  
S. Shree Devi ◽  
B. Muthukumaran ◽  
P. Krishnamoorthy
Keyword(s):  
Acetic Acid ◽  
Acid Medium ◽  
Reaction Rate ◽  
Reaction Medium ◽  
Activation Parameters ◽  
Reaction Rates ◽  
Mechanistic Study ◽  
Aqueous Acetic Acid ◽  
Sodium Perborate ◽  
Acetic Acid Medium

Kinetics and mechanism of oxidation of substituted 5-oxoacids by sodium perborate in aqueous acetic acid medium have been studied. The reaction exhibits first order both in [perborate] and [5-oxoacid] and second order in [H+]. Variation in ionic strength has no effect on the reaction rate, while the reaction rates are enhanced on lowering the dielectric constant of the reaction medium. Electron releasing substituents in the aromatic ring accelerate the reaction rate and electron withdrawing substituents retard the reaction. The order of reactivity among the studied 5-oxoacids is p-methoxy ≫ p-methyl > p-phenyl > –H > p-chloro > p-bromo > m-nitro. The oxidation is faster than H2O2 oxidation. The formation of H2BO3+ is the reactive species of perborate in the acid medium. Activation parameters have been evaluated using Arrhenius and Eyring’s plots. A mechanism consistent with the observed kinetic data has been proposed and discussed. Based on the mechanism a suitable rate law is derived.

scholarly journals Fabrication of TiO2/Carbon Photocatalyst using Submerged DC Arc Discharged in Ethanol/Acetic Acid Medium

2017 ◽  
Vol 202 ◽  
pp. 012058 ◽  
Author(s):  
T E Saraswati ◽  
A O Nandika ◽  
I F Andhika ◽  
Patiha ◽  
C Purnawan ◽  
...  
Keyword(s):  
Acetic Acid ◽  
Acid Medium ◽  
Acetic Acid Medium ◽  
Ethanol Acetic Acid ◽  
Dc Arc

Copolymerization of Aniline with P-Phenylenediamine in an Acetic Acid Medium

2017 ◽  
pp. 3-14 ◽  
Author(s):  
A. H. Durgaryan ◽  
N. A. Durgaryan ◽  
R. H. Arakelyan ◽  
N. A. Miraqyan
Keyword(s):  
Acetic Acid ◽  
Acid Medium ◽  
Acetic Acid Medium

Electrochemical Behavior of Tocopherols on Microelectrodes in Acetic Acid Medium

2002 ◽  
Vol 14 (4) ◽  
pp. 297-302 ◽  
Author(s):  
Slawomir Michalkiewicz ◽  
Monika Tutaj ◽  
Maria Kaczor ◽  
Jan Malyszko
Keyword(s):  
Acetic Acid ◽  
Acid Medium ◽  
Electrochemical Behavior ◽  
Acetic Acid Medium

Evidence for photochemical synthesis of fluoromethane

2020 ◽  
Vol 35 (9) ◽  
pp. 1720-1726
Author(s):  
Ralph E. Sturgeon ◽  
Enea Pagliano
Keyword(s):  
Acetic Acid ◽  
Acid Medium ◽  
Halogen Atom ◽  
Photochemical Synthesis ◽  
Atom Transfer ◽  
Acetic Acid Medium ◽  
Catalytic Capacity

Cu2+ – assisted photomethylation of fluoride in dilute acetic acid medium is suggested to occur by radical halogen atom transfer, with Cu(ii) acting in a catalytic capacity.

scholarly journals An efficient approach for the synthesis of novel methyl sulfones in acetic acid medium and evaluation of antimicrobial activity

2020 ◽  
Vol 44 (5) ◽  
pp. 1386-1394
Author(s):  
Gollapudi RAVI KUMAR ◽  
Chandra Rao DASIREDDY ◽  
Ravi VARALA ◽  
Vijay KOTRA ◽  
Hari Babu BOLLIKOLLA
Keyword(s):  
Antimicrobial Activity ◽  
Acetic Acid ◽  
Acid Medium ◽  
Room Temperature ◽  
Fungal Infections ◽  
Reaction Conditions ◽  
Acetic Acid Medium ◽  
Mass Spectral ◽  
Allyl Alcohols ◽  
Near Future

A series of nine methyl sulphones (3a–3i) starting from the aldehydes (1a–1i) were synthesized in two consecutive steps. In the first step, preparation of allyl alcohols (2a–2i) from their corresponding aldehydes by the reaction of sodium borohydride in methanol at room temperature is reported. Finally, methyl sulphones are synthesized by condensing sodium methyl sulfinates with allyl alcohols in the presence of BF3.Et2O in acetic acid medium at room temperature for about 2–3 h. The reaction conditions are simple, yields are high (85%–95%), and the products were obtained with good purity. All the synthesized compounds were characterized by their 1H, 13C NMR, and mass spectral analysis. All the title compounds were screened for antimicrobial activity. Among the compounds tested, the compound 3f has inhibited both Gram positive and Gram negative bacteria effectively and compound 3i has shown potent antifungal activity. These promising components may help to develop more potent drugs in the near future for the treatment of bacterial and fungal infections.

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