1-Methylpiperidin-3-amine → 6-Ethyl-5-[(1-methylpiperidin-3-yl)amino]-3-{[3-(methylsulfonyl)phenyl]amino}pyrazine-2-carboxamide

Participants

Reaction Conditions

Reaction Steps

A mixture of 5-chloro-6-ethyl-3-{[3-(methylsulfonyl)phenyl]amino}pyrazine-2-carboxamide (Preparation Example 353) (8.8 mg), 1-methyl-piperidin-3-ylamine (8.0 mg) and NMP (0.5 mL) was heated at 190° C. for 30 minutes using a microwave reaction system. After the reaction liquid was cooled, the organic layer was distilled off under reduced pressure, and the residue was separated and purified by HPLC (column: SunFire® C18, 5 μm, 19 mm×100 mm, solvent: MeOH/0.1% HCOOH—H2O=10/90 (0 min)-10/90 (1 min)-95/5 (9 min)-95/5 (12 min), flow rate: 25 mL/min) to give (6-ethyl-5-[(1-methylpiperidin-3-yl)amino]-3-{[3-(methylsulfonyl)phenyl]amino}pyrazine-2-carboxamide (2.4 mg).

Provenance & Evidence