The absolute rate constant for the addition of pivaloyl radical to protonated benzothiazole is determined by evaluating the ratio of decarbonylation and aromatic attack. The high rate constant (7.1 × 105 l mol–1 s–1 at 5 °C) is discussed in terms of polar effects and a divergence from the classical reactivity: selectivity relationship is suggested.
Nucleophilic character of acyl radicals. Absolute rate constant for the acylation of protonated benzothiazole by pivaloyl radical
Caronna, Tullio;Citterio, Attilio;Minisci, Francesco
1976-01-01
Abstract
The absolute rate constant for the addition of pivaloyl radical to protonated benzothiazole is determined by evaluating the ratio of decarbonylation and aromatic attack. The high rate constant (7.1 × 105 l mol–1 s–1 at 5 °C) is discussed in terms of polar effects and a divergence from the classical reactivity: selectivity relationship is suggested.File in questo prodotto:
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