Triethylamine → 6-Chloro-2-[[4-(5-chloropyridin-2-yl)-1-piperazinyl]-methyl]imidazo[1,2-a]pyridine

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Reaktionsschritte

Following the general procedure of Example 33, Step 2, and making non-critical variations, 1-(5-chloropyridin-2-yl)piperazine (0.424 g), 6-chloro-2-(chloromethyl)imidazo[1,2-a]pyridine (Example 4, Step 1; 0.517 g), triethylamine (0.282 g), and ethylene glycol (2 mL) give, after crystallization from dichloromethane/ethyl ether, 0.621 g of the title compound; mp 137-138° C.; MS m/z 361, 363; IR 1593, 1480, 1245, 1324, 801, 1304 cm-1 ; 1H NMR (CDCl3) δ2.67, 3.55, 3.75, 6.57, 7.13, 7.41, 7.52, 7.53, 8.10, 8.14.

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