Methylamine → 2-(Methylamino)-2-oxoethyl 4-{5-[4-(trifluoromethyl)phenyl]-2-pyridyl}-1-piperazinecarboxylate

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Reaction Steps

The process is performed according to the procedure described in Example 1 (step 1.4.). Starting with 2.77 g (6.33 mmol) of 2-(ethyloxy)-2-oxoethyl 4-{5-[4-(trifluoromethyl)phenyl]-2-pyridyl}-1-piperazine-carboxylate, obtained in step 4.1., and 15.80 ml (31.67 mmol) of a solution of methylamine (2M) in tetrahydrofuran, and after chromatography on silica gel, eluting with a 97/3 mixture of dichloromethane and methanol, followed by recrystallization from ethyl acetate, 1.69 g of product are obtained in the form of a white solid.

Provenance & Evidence