The electron-releasing effects of mono-, bis-, and tris-(trimethylsilyl) methyl groups. The importance of hyperconjugation in the electronic effects of α-metalloalkyl …
AR Bassindale, C Eaborn, DRM Walton…
Index: Bassindale,A.R. et al. Journal of Organometallic Chemistry, 1969 , vol. 20, p. 49 - 56
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Citation Number: 52
Abstract
Abstract The rates of cleavage of the aryl-Si bonds in (Me 3 Si) x CH 3-x C 6 H 4 SiMe 3 compounds by aqueous methanolic perchloric acid, and thus the electron release by the (Me 3 Si) x CH 3-x groups, increase in the order x= 0< 3< 1< 2 for both the m-and p- compounds. The 19 F chemical shifts in the p-(Me 3 Si) 3 CH 3-x C 6 H 4 F compounds indicate the same order of electron release. This order is not consistent with attribution of ...
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