Substitution électrophile armatique. VI. Détermination des constantes σ+ pour les groupes Si(CH3)3 et Sn(CH3)3
- 1 January 1964
- journal article
- research article
- Published by Wiley in Helvetica Chimica Acta
- Vol. 47 (7) , 2037-2041
- https://doi.org/10.1002/hlca.19640470744
Abstract
Rates of reaction between iodine and p‐trimethylsilyl‐ and p‐trimethylstannyl‐phenyl‐trimethyltin in methanol have been determined. These rates show that for the (CH3)3Si‐ substituent, the donor inductive effect and the withdrawing mesomeric effect of the metal cancel each other; for the (CH3)3Sn substituent, the donor inductive effect is preponderant.Keywords
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