Piperazine → 5-Chloro-2-piperazin-1-yl-benzothiazole

Participants

Reaction Conditions

Reaction Steps

A mixture of 0.49 mmol 2,5-dichlorobenzothiazole (CA=[2941-48-2]), 1.47 mmol of piperazine and 1.47 mmol of triethylamine in 5 ml of tetrahydrofuran in a sealed tube was heated at 160° C. for 5 min under microwave irradiation. The reaction mixture was concentrated, and the residue was purified by chromatography (SiO2, methanol/dichloromethane) to yield the title compound as a white solid.

Provenance & Evidence