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𝒮 f Parameters—A Measure of the Front Strain of Alkyl Groups

1978; Wiley; Volume: 17; Issue: 8 Linguagem: Inglês

10.1002/anie.197805931

1521-3773

Hans‐Dieter Beckhaus,

Molecular Spectroscopy and Structure

Front strain, i.e. steric repulsion of the attacking or leaving group R in a reaction, is often regarded as the principal factor determining reactivity. 𝒮f has been defined as a measure for front strain and calculated for 48 groups R.