Journal of the American Chemical Society

The Friedel—Crafts Reaction with γ-Valerolactone. I. The Synthesis of Various Polymethylnaphthalenes

WL Mosby

Index: Mosby Journal of the American Chemical Society, 1952 , vol. 74, p. 2564,2569

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Citation Number: 46

Abstract

CORPORATION] of Various y-Valerolactone has been condensed with each of the isomeric xylenes, and the resulting 4-(dimethylpheny1)-pentanoic acids were cyclized to trimethyl-1- tetralones in good yield. Cyclization of 4-(2, 4-dimethylphenyl)-pentanoic acid using polyphosphoric acid was accompanied by a rearrangement resulting in 4, 6, 8-trimethyl-l- tetralone whereas cyclization of the corresponding acid chloride with stannic chloride ...

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