Phenethylamine, m-trifluoromethyl- → 6-methyl-N-[2-[3-(trifluoromethyl)phenyl]ethyl]furo[2,3-d]pyrimidin-4-amine

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A mixture of 1.9 g of 2-[3-(trifluoromethyl)phenyl]ethylamine and 1.6 g of 4-chloro-6-methylfuro[2,3-d]pyrimidine was heated for ten minutes at 230° C. The mixture was then cooled and the product extracted in ethyl acetate/water. The organic phase was separated, washed with water, dried over magnesium sulfate, filtered, and concentrated. The residue was chromatographed on a silica column using toluene and acetone as eluent. Yield 0.97 g. M.P. 119° C.

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