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Target Concepts:
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Query: UMLS:C1835664 (
TOC
)
2,763
document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)
Kinetic solvent effects on hydrogen abstractions involving C-H donors (dienes, ethers, alkylbenzenes) have been corroborated by experiment and theory (UB3LYP/6-311++G**, polarized continuum model). To single out the effect of solvent polarity, rate constants for scavenging of the cumyloxyl radical and fluorescence quenching of 2,3-diazabicyclo[2.2.2]
oct
-2-ene were obtained in binary aprotic mixtures of ethylacetate and acetonitrile. Polar solvents result in a selective stabilization of the reactants (see
TOC
graphic), which results in slower rate constants.
...
PMID:Solvent polarity affects H atom abstractions from C-H donors. 2149 12
