Eaton's reagent

Eaton's reagent[1] (7.7 wt% phosphorus pentoxide solution in methanesulfonic acid) is used as an alternative to polyphosphoric acid in chemical synthesis to promote acylation reactions.

References

  1. ↑ Eaton, P. E.; Carlson, G. R.; Lee, J. T. (1973). "Phosphorus pentoxide-methanesulfonic acid. Convenient alternative to polyphosphoric acid". J. Org. Chem. 38 (23): 4071. doi:10.1021/jo00987a028.
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