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pro vyhledávání: '"Toshihiro Munechika"'
Autor:
Yuho Tsuno, Ryoji Fujiyama, Toshihiro Munechika, Aiko Shiiyama, Md. Ashadul Alam, Mizue Fujio
Publikováno v:
Journal of Physical Organic Chemistry. 23:819-827
Solvolysis rates of 2-(aryldimethylsilyl)-1-methylethyl and 2-(aryldimethylsilyl)-1-tert-butylethyl trifluoroacetates were determined conductimetrically in 60% (v/v) aqueous ethanol. The effects of aryl substituents at the silicon atom on the solvoly
Autor:
Ryoji Fujiyama, Toshihiro Munechika
Publikováno v:
Tetrahedron Letters. 34:5907-5910
The solvolysis rates of 2-(aryldimethylsilyl)ethyl chlorides 3 were measured using a conductometric method. The analysis of the Yukawa-Tsuno LArSR equation gives a reaction constant of ϱ=−1.42 and a high resonance demand of r=1.48. This result ind