Synlett

Palladium-catalyzed alkoxycarbonylation of aryl p-toluenesulfonate

Y Kubota, S Nakada, Y Sugi

Index: Kubota, Yoshihiro; Nakada, Shigekuni; Sugi, Yoshihiro Synlett, 1998 , # 2 p. 183 - 185

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Citation Number: 23

Abstract

Abstract: Methyl-and ethyl arylcarboxylates were synthesized by palladium-catalyzed alkoxycarbonylation of various aryl p-toluenesulfonates (tosylates). Yields were highly dependent on the substituent of aryl tosylates and phosphine ligands used. Ethoxycarbonylation of 4-acetylphenyl tosylate by the use of a bisphosphine ligand gave ethyl 4-acetylbenzoate in quite satisfactory yields.

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