反应详情

A solution of Boc-piperazine (4.67 g), 2-amino-4-chloromethylthiazole hydrochloride (WO 0190090; 5.1 g) and potassium carbonate (8.4 g) in DMF (100 ml) was mixed at 65° C. for 12 hours. The precipitated insolubles were filtered off, and then the filtrate was concentrated under reduced pressure. The residue was purified with silica gel column to obtain the title compound as a brown solid (5.6 g, 74%).

1. filtrationThe precipitated insolubles were filtered off
2. concentrationthe filtrate was concentrated under reduced pressure
3. customThe residue was purified with silica gel column