Tetrahedron letters

Selectivity in palladium catalyzed arylation: Synthetic application leading to aromatized ionone natural products

H Hagiwara, Y Eda, K Morohashi, T Suzuki, M Ando…

Index: Hagiwara, Hisahiro; Eda, Yasushi; Morohashi, Kimie; Suzuki, Toshio; Ando, Masayoshi; Ito, Nobuhiko Tetrahedron Letters, 1998 , vol. 39, # 23 p. 4055 - 4058

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Citation Number: 20

Abstract

The selectivity in aromatic substitution vs conjugate addition during palladium catalyzed reactions has been controlled simply by changing the base. These reaction conditions have been applied to the syntheses of aromatized β-ionone natural products 1 and its dihydro- derivatives 7.

~78%

~45%

~37%

~68%

~77%

~57%

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