6-Piperazin-1-yl-pyridazin-3-carboxylic acid (3-methylbutyl)amide → HCID 86597212, compound

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Reaction Steps

Following the procedure of Example 3, making variations only as required to use 1-methyl-5-trifluoromethyl-1H-pyrazole-4-carbonyl chloride in place of isoxazole-5-carbonyl chloride to react with 6-piperazin-1-yl-pyridazine-3-carboxylic acid (3-methylbutyl)amide, the title compound was obtained as a white powder (47% yield). 1H NMR (300 MHz, CDCl3) δ 8.04, 7.82, 7.54, 6.99, 3.97, 3.90-3.54, 3.51-3.44, 1.75-1.62, 1.53-1.46, 0.92. MS (ES+) m/z 454.3 (M+1).

Provenance & Evidence