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A styrene based water soluble polymer as a reaction medium for photodimerization of aromatic hydrocarbons in water

Paper ID Volume ID Publish Year Pages File Format Full-Text
28899 44104 2007 4 PDF Available
Title
A styrene based water soluble polymer as a reaction medium for photodimerization of aromatic hydrocarbons in water
Abstract

A styrene based water soluble polymer (polymer-A) has been explored as a host for solubilizing otherwise insoluble aromatic hydrocarbons in water. The increased local concentration of encapsulated aromatic hydrocarbons within the hydrophobic pockets of polymer-A was utilized for performing efficient photodimerization of acenaphthylene (1) and six 9-substituted anthracenes [AnCOOH, AnCHO, AnCH2OH, AnCH3, AnBr and AnCN] in water. Photodimerization of these aromatic hydrocarbons were more efficient than in water and yielded dimers even at low concentrations (∼10−4 M). At the same concentration of anthracenes in organic solvents such as benzene and methanol, no dimers were formed even after 48 h of irradiation. Although the polymer-A was able to increase the local concentration of the reactant aromatics it was unable to orient them towards a single dimer.

Keywords
Water soluble polymer; Photodimerization; Acenaphthylene; Anthracene; Confined medium
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A styrene based water soluble polymer as a reaction medium for photodimerization of aromatic hydrocarbons in water
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 185, Issues 2–3, 25 January 2007, Pages 168–171
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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Price was $35.95
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