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Efficient Synthesis of Salicylates by Catalytic [3 + 3] Cyclizations of 1,3-Bis(silyl enol ethers) with 1,1,3,3-Tetramethoxypropane

Muhammad Sher, T. H. Tam Dang, Zafar Ahmed, Muhammad A. Rashid, Christine Fischer and Peter Langer*

*Institut für Chemie, Universität Rostock, Albert-Einstein-Str. 3a, 18059 Rostock, Germany, Email: peter.langeruni-rostock.de

M. Sher, T. H. T. Dang, Z. Ahmed, M. A. Rashid, C. Fischer, P. Langer, J. Org. Chem., 2007, 72, 6284-6286.

DOI: 10.1021/jo070974a (free Supporting Information)


Abstract

Salicylic acid derivatives were prepared by Me3SiOTf-catalyzed [3 + 3] cyclization of 1,3-bis(silyl enol ethers) with 1,1,3,3-tetramethoxypropane under mild conditions in moderate yields.

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Key Words

cyclizations


ID: J42-Y2007-2570