Selectivity in the photochlorination of 2,3-dimethylbutane with molecular chlorine in noncomplexing solvents

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DOIResolve DOI: http://doi.org/10.1021/jo00257a005
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TypeArticle
Journal titleJournal of Organic Chemistry
ISSN0022-3263
Volume53
Issue22
Pages52205225; # of pages: 6
AbstractThe factors affecting changes in the measured selectivity for the photochlorination of 2,3-dimethylbutane (DMB) in alkane solvents and in CCl 4 have been identified. At low chlorine concentrations in CCl 4 as solvent, the selectivities, S m = [2-ClDMB]/[1-ClDMB], are dramatically enhanced because of CCl 4 and Cl 3C • participation in the overall chain process. In the absence of CCl 4, the selectivities may also increase at very low chlorine concentrations because residual O 2 and peroxyl radicals participate in the overall chain process. In the absence of either of the above phenomena, S m was calculated to be 0.64, a value that compares well with a value of 0.62, which we have measured in the gas phase.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC)
Peer reviewedYes
NPARC number21276675
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Record identifier2b35578e-879c-44d6-b2f0-d04f67962b3b
Record created2015-10-13
Record modified2016-05-09
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