The Reaction of Phenolic Compounds with Isoprenoids. Part VII.¹⁾ ortho-Prenylation of Phenol in the Presence of Alkali-Metal Catalysts

Shigetoshi Yamada Department of Synthetic Chemistry, Shizuoka University, Hamamatsu, 432, Japan

Futara Ono Department of Synthetic Chemistry, Shizuoka University, Hamamatsu, 432, Japan

Takao Katagiri Department of Synthetic Chemistry, Shizuoka University, Hamamatsu, 432, Japan

Juntaro Tanaka Department of Synthetic Chemistry, Shizuoka University, Hamamatsu, 432, Japan

Abstract

ortho-Prenylphenols and its derivatives occur frequently in plants and microorganism,²⁾ and have been assumed to be essential intermediates in the biosynthesis of some natural products. ortho-Prenylphenols have been synthesized by the Friedel-Crafts reaction of prenyl alcohols or prenyl halides with phenols,^3)-6) or by direct alkylation of phenols with polyprenyl halides in the alkaline media.⁷⁾ These reactions had no

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The Reaction of Phenolic Compounds with Isoprenoids. Part VII.¹⁾ ortho-Prenylation of Phenol in the Presence of Alkali-Metal Catalysts

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The Reaction of Phenolic Compounds with Isoprenoids. Part VII.1) ortho-Prenylation of Phenol in the Presence of Alkali-Metal Catalysts

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The Reaction of Phenolic Compounds with Isoprenoids. Part VII.¹⁾ ortho-Prenylation of Phenol in the Presence of Alkali-Metal Catalysts