Effet stérique dans la réaction de l'iodure de potassium sur les α‐chlorocétones
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The Arrhenius parameters for the reaction of potassium iodide on the α-chloroketones CH3—CO—CHCl—R (R=Me, Et, iso-Pr or t.Bu), in anhydrous acetone, have been measured.
The differences of reactivity are explained by a steric effect the order of magnitude of which is shown to be analogous to that already observed in SN2 reactions on aliphatic halides R—CH2X.
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