Diisopropylethylamine → 6-[(2-{[6-(2,4-Dichlorophenyl)imidazo[1,2-a]pyrazin-8-yl]amino}ethyl)amino]nicotinonitrile

Participants

Reaction Conditions

Reaction Steps

108 mg (0.3625 mmol) of the 8-chloro-6-(2,4-dichlorophenyl)imidazo[1,2-a]pyrazine (Example 5A) were initially charged in 3 ml of DMSO, and 150 mg (0.543 mmol) of 6-[(2-aminoethyl)amino]nicotinonitrile (Example 2A) and 0.63 ml (3.62 mmol) of N,N-diisopropylethylamine were added. The mixture was heated at 120° C. for 12 h. Purification by chromatography on silica gel 60 (mobile phase: dichloromethane/methanol 100:1) gave 12 mg (7% of theory) of the product.

Provenance & Evidence