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■ A Facile Synthesis of 4-Arylbutyrolactones via the Palladium-catalyzed Arylation of 1,3-Dioxep-5-ene

Takao Sakamoto,* Yoshinori Kondo, and Hiroshi Yamanaka

*Pharmaceutical Institute, Tohoku University, Aramaki, Aoba-ku, sendai 980-8578, Japan

Abstract

1,3-Dioxep-5-ene was arylated by using Heck reaction, and the arylated 1,3-dioxep-4-ene derivatives were easily converted into 4-arylbutyrolactones, intermediates for the synthesis of natural products and biological active compounds.