6-[(3S)-3-butan-2-yl-4-methylpiperazine-1-carbonyl]-4-(2-methylpropyl)pyridazine-3-carbonyl azide 、
L-缬氨醇 以
乙醚 为溶剂,
生成 6-((S)-3-sec-butyl-4-methyl-piperazine-1-carbonyl)-4-isobutyl-pyridazine-3-carboxylic acid ((S)-1-hydroxymethyl-2-methyl-propyl)-amide