A practical synthesis of 6-acetylsalicylic acid methyl ester
A new and efficient synthesis of the title compound is reported. The method includes a regioselective ortho-lithiation step in none polar solvents at an ambient temperature and the overall yield for 5 steps is more than 70% from a commercially available 3-hydroxyacetophenone.
Tamaru,Umezu,Maejima,Kageyama,Kimura
p. 2749 - 2756
(2007/10/02)
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