1,1'-Carbonyldiimidazole → HCID 58772590, compound

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Reaction Steps

The title compound (900 mg, 80%) as a yellow solid was prepared from 1-(6-chloro-5-(4-chlorophenyl)pyridazin-3-yl)hydrazine (1.02 g, 4.0 mmol) and 1,1′-carbonyl diimidazole (3.24 g, 20.0 mmol) according to the procedures described for 6-(2-chlorophenyl)-7-(4-chlorophenyl)-[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one (Example 1G). LC/MS (method A): retention time=2.77 min, (M+H)+=281.

Provenance & Evidence