Potassium Carbonate → 4-(3-Cyclohexylmethyl-1H-indol-5-yloxy)-3,5-bis-trifluoromethyl-benzaldehyde

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Reaction Steps

Analogously to the procedure of Example V, 2.0 g (8.72 mmol) of 5-hydroxy-3-cyclohexylmethyl-indole are dissolved in 50 ml of DMSO, 1.33 g (9.59 mmol) of potassium carbonate are added, the mixture is stirred for 10 min at room temperature and afterwards 2.41 g (8.72 mmol) of 3,5-bis-trifluoromethyl-4-chlorobenzaldehyde are introduced in portions. After stirring overnight at 50° C., the batch is worked up analogously to Example V and the crude product is chromatographed on silica gel 60 by means of toluene.

Provenance & Evidence