3-Ethoxy-6-methylpyridine-2-carboxylic acid → 3-Ethoxy-6-methyl-N-[(1S,2S)-2-{[5-(trifluoromethyl)pyrazin-2-yl]amino}cyclopentyl]pyridine-2-carboxamide

Participants

Reaction Steps

Prepared according to the procedure for 3-bromo-N-[(1S,2S)-2-{[5-(trifluoromethyl)pyrazin-2-yl]amino}cyclopentyl]pyridine-2-carboxamide (Example 28) from (1S,2S)-1-N-[5-(trifluoromethyl)pyrazin-2-yl]cyclopentane-1,2-diamine hydrochloride (Intermediate 14, 75 mg, 0.27 mmol) and 3-ethoxy-6-methylpyridine-2-carboxylic acid (CAS number 1228188-14-4; 58 mg, 0.32 mmol) and was then purified by column chromatography (silica, 40-100% ethyl acetate/petrol) followed by partitioning between ethyl acetate and a saturated solution of sodium bicarbonate. The organics were filtered through a hydrophobic frit and concentrated in vacuo to afford the title compound.

Provenance & Evidence