Tetrahedron

Synthesis of functionalized 2-alkoxybenzoates, 2-aryloxybenzoates and xanthones based on formal [3+ 3] cyclocondensations of 3-alkoxy-and 3-aryloxy-1-silyloxy-1, …

G Mroß, H Reinke, C Fischer, P Langer

Index: Mross, Gerson; Reinke, Helmut; Fischer, Christine; Langer, Peter Tetrahedron, 2009 , vol. 65, # 19 p. 3910 - 3917

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Citation Number: 6

Abstract

Functionalized 2-alkoxy-and 2-aryloxybenzoates were prepared by formal [3+ 3] cyclocondensations of 3-alkoxy-and 3-aryloxy-1-silyloxy-1, 3-butadienes with 3-silyloxy-2-en- 1-ones. The reaction of 2-aryloxybenzoates with concentrated sulfuric acid resulted in the formation of xanthones.

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[Mross, Gerson; Langer, Peter Tetrahedron Letters, 2006 , vol. 47, # 48 p. 8519 - 8521]

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