Acetone → HCID 68420671, compound

Participants

Reaction Steps

1-Benzyloxycarbonylpiperazine (6.35 g) was dissolved in acetone (40 mL) and 4-methoxyphenyl isothiocyanate (5.19 g) were added under ice-cooling. The mixture was stirred at room temperature for 2 days. The reaction solution was concentrated under reduced pressure, and the residue was dissolved in dichloromethane (80 mL). Methyl iodide (2.7 mL) was added under ice-cooling, and the mixture was stirred at room temperature for 17 hr. The reaction solution was added to a saturated a aqueous sodium hydrogen carbonate solution, and the mixture was extracted with dichloromethane. The extract solution washed with saturated brine, dried and concentrated under reduced pressure to give 1-benzyloxycarbonyl-4-[(methylthio)(4-methoxyphenyl)iminomethyl]piperazine (12.8 g) as a brown oil.

Provenance & Evidence