3-cyclopentyl-2-(1-oxo-1H-phthalazin-2-yl)-propionic acid 、
1-(3-aminopyrazol-1-yl)-2-methyl-propan-2-ol 以afforded 3-cyclopentyl-N-[1-(2-hydroxy-2-methyl-propyl)-1H-pyrazol-3-yl]-2-(1-oxo-1H-phthalazin-2-yl)-propionamide as a white solid (48 mg, 11%)的产率得到3-cyclopentyl-N-[1-(2-hydroxy-2-methyl-propyl)-1H-pyrazol-3-yl]-2-(1-oxo-1H-phthalazin-2-yl)-propionamide