Journal of the Chemical Society. Perkin transactions I p. 1261 - 1268 (1996)
Update date:2022-08-02
Topics:
Miyashita, Kazuyuki
Kondoh, Katsunori
Tsuchiya, Katsutoshi
Miyabe, Hideto
Imanishi, Takeshi
Thermolysis of 2-(N-acylamino)benzyl methyl ethers, in the presence of an acid catalyst and triphenylphosphine, or 2-(N-acylamino)benzylphosphonium salts is found to serve as a novel method for indole formation, in particular for the synthesis of 2-trifluoromethylindoles. The reaction of the benzyl methyl ethers is suggested to involve a phosphonium intermediate, which thermally decomposes to the indoles.
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