Structural Effects in Radical Clocks and Mechanisms of Grignard Reagent Formation: Special Effect of a Phenyl Substituent in a Radical Clock when the Crossroads of …
…, JM Mattalia, C Marchi??Delapierre…
Index: Hazimeh, Hassan; Mattalia, Jean-Marc; Marchi-Delapierre, Caroline; Kanoufi, Frederic; Combellas, Catherine; Chanon, Michel European Journal of Organic Chemistry, 2009 , # 17 p. 2775 - 2787
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Abstract
Abstract A large class of radical clocks is based on the intramolecular trapping of a reactive radical by a suitably located unsaturated system. Depending on the substituents present on this unsaturated system, the rate of cyclisation may vary drastically. This property has been repeatedly used to diagnose the participation of very short-lived radicals in the mechanisms of a wide variety of reactions. For reactions occurring in homogeneous solution, a phenyl ...
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