Abstract
Reactivity data for a number of reactions taking place at Si atoms in organosilicon compounds containing a variety of alkyl groups have been examined for statistical correlations with steric parameters. Four practically equivalent sets of parameters are now available for quantitative description of steric effects of alkyl substituents in organosilicon compounds. Alkyl substituents contribute to the reactivity exclusively with their steric effects. Steric effects in silicon compounds are additive.
Highlights
To correlate structural effects with chemical and physical properties it is necessary to differentiate between steric and electronic effects in relation to a property
Reactivity data for a number of reactions taking place at Si atoms in organosilicon compounds containing a variety of alkyl groups have been examined for statistical correlations with steric parameters
Several quantitative scales have been proposed for description of steric effects by alkyl substituents on organosilicon compounds
Summary
To correlate structural effects with chemical and physical properties it is necessary to differentiate between steric and electronic effects in relation to a property. Abstract Reactivity data for a number of reactions taking place at Si atoms in organosilicon compounds containing a variety of alkyl groups have been examined for statistical correlations with steric parameters. Four practically equivalent sets of parameters are available for quantitative description of steric effects of alkyl substituents in organosilicon compounds.
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