Cyclohexene → 5-[3-(4-Aminophenyl)propyl]-3-(4-fluorophenyl)-1-methyl-4-(4-pyridyl)pyrazole

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45 mg of 5-[3-(4-nitrophenyl)propyl]-3-(4-fluorophenyl)-1-methyl-4-(4-pyridyl)pyrazole was dissolved in 6 ml of methanol, followed by the addition of 2 ml of cyclohexene. Then, 45 mg of 10% palladium-carbon was added thereto, followed by heating under reflux for 2 hours. After the reaction mixture was filtered, the filtrated was concentrated to obtain 43 mg of the title compound quantitatively as a colorless amorphous substance.

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