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 Solvolysis of the complexes of trivalent thallium with olefins

M. Strašák

Department of Analytical Chemistry, Faculty of Pharmacy, Komenský University, 880 34 Bratislava


Abstract: The influence of the ionization power of the solvent (water-ethanol mixt.) on solvolysis of the σ complexes of trivalent thallium with olefins was investigated. The rate of solvolysis decreases with increasing concn. of ethanol. The two-parameter Grunwald-Winstein equation was applied to the study of reaction mechanism. The low values of the parameter m in the solvolysis of allyl alc. and 2,4,4-trimethyl-1-pentene suggest the SN2 mechanism for  RCH = CH2 and RRC = CH2 alkenes. On the other hand, the relatively high value of m in the solvolysis of 2,4,4-trimethyl-2-pentene suggests the SN1 mechanism for the solvolysis of internally branched alkenes.

Full paper in Portable Document Format: 352a165.pdf


Chemical Papers 35 (2) 165–172 (1981)

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