Reexamen de la transposition de Fries des acetate et propionate de creosol
The Fries rearrangement of creosol acetate and propionate yields meta acylphenols through meta ketoesters according to an intermolecular process.The acyl group undergoes a migration to the meta position, solely due to the combination of the electronic effects of the other substituents.A similar directing effect occurs in a transacylation reaction between a ketoester of creosol and the creosol itself.The two hitherto unknown propiophenones stemming from isocreosol are synthesized and described.
Martin, Robert,Gavard, Jean-Pierre,Delfly, Michel,Demerseman, Pierre,Tromelin, Anne
p. 659 - 662
(2007/10/02)
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