Diisopropylethylamine → HCID 15409148, compound

Participants

Reaction Steps

Following the general procedure of Example 2, Step 3, and making noncritical variations, 2-(chloromethyl)imidazo[1,2-a]pyridine (Example 2, Step 1; 0.245 g), 4-(piperazin-1-yl)benzamide (0.302 g), diisopropylethylamine (Aldrich; 0.256 mL), and ethylene glycol (2 mL) gives 0.313 g of the title compound after chromatography (silica gel, methanol/dichloromethane, 8/92, as eluent) and crystallization from methanol/dichloromethane; mp 249-250° C.; IR (mineral oil) 1608, 1398, 1253, 1739, 3133, 756 cm-1. 1H NMR (CDCl3) δ2.74, 3.36, 3.78, 5.7, 6.78, 6.88, 7.16, 7.55, 7.58, 7.71, 8.09.

Provenance & Evidence