反应详情

Compound 2 was synthesised from 2-(4-chloro-3,5-diphenyl-1H-pyrazolo[3,4-c]pyridazin-1-yl)acetic acid following a similar procedure outlined in Example 17 (Compound 1), using N,N′-dimethylethylenediamine instead of N-methylpiperazine in the final step.