137956-29-7Relevant academic research and scientific papers
Methanesulfonic acid/phosphorus oxychloride (MAPO) as a new efficient reagent in the fries rearrangement
Kaboudin, Babak
, p. 12865 - 12872 (2007/10/03)
Methanesulfonic acid/phosphorus oxychloride (MAPO) was found to be a new efficient reagent in the Fries rearrangement of phenolic esters. Fries rearrangement of phenolic esters in the presence of MAPO, gave acylaryl methane sulfonates as major products.
A REEXAMINATION OF THE RETRO-FRIES REARRANGEMENT OF SOME o-HYDROXYKETONES
Martin, Robert,Lafrance, Jean Ronald,Demerseman, Pierre
, p. 539 - 548 (2007/10/02)
The retro-Fries rearrangement, catalyzed by protic and Lewis acids, was studied for some o-hydroxyketones.The results are consistent with the mechanism of an heterolytic cleavage and rearrangement.It appears that, in general, Lewis acids do not induce the retro-Fries rearrangement of o-hydroxyketones.However, in certain cases, it may be brought about the presence of a protic acid generated in situ, from a solvent-catalyst interaction.
