Friessche Verschiebung vonortho-undpara-Methoxyphenylacetaten. Die Bildung von Ketoestern

R Martin, N Gros, V Böhmer, H Kämmerer

Index: Martin, Robert; Gros, Nicole; Boehmer, Volker; Kaemmerer, Hermann Monatshefte fuer Chemie, 1980 , vol. 111, p. 81 - 92

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Citation Number: 4

Abstract

Abstract During the Fries rearrangement of o-and p-methoxy phenyl acetates with AlCl 3 in nitromethane at 20° C substitution occurs mainly in the p-position of the phenolic residue to yield p-acylphenols. Larger quantities of o-acylphenols are obtained only, if this p-position is already substituted. With o-methoxy phenyl acetates the substitution of the acid residue to yield ketoesters is observed as a side reaction. Those ketoesters are obtained as main ...

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