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Paper | Regular issue | Vol 36, No. 9, 1993, pp.1989-1995
Published online, 1st January, 1970
DOI: 10.3987/COM-92-6323
Monoacetoxylation of Methylenedioxy Groups in Dimethyl 4,4’-Dimethoxy-2,3,2’,3’-bismethylenedioxy-1,1’-biphenyl-6,6’-dicarboxylate with Lead Tetraacetate

Masayuki Kimura,* Yoshiyuki Matsuoka, and Kunio Hosaka

*Tsumura Reserach Institute for Biology and Chemistry (TRIBIC), Tsumura & Co., 3586 Yoshiwara, Ami-machi, Inashiki-gun, Ibaraki 300-1192, Japan

Abstract

The utility of lead tetraacetate as a reagent for the monoacetoxylation of a methylenedioxy group in dimethyl 4,4’-dimethoxy-2,3,2’,3’-bismethylenedioxy-1,1’-biphenyl-6,6’-dicarboxylate (1a) is demonstrated. Mechanistic feature of the monoacetoxylation is discussed.