反应详情

A mixture of 8-chloro-dibenz[b,f][1,4]oxazepine (1.02 g) and the product of Example 3 (0.26 g) and diphenyl ether (3 mL) was heated to reflux for 1.75 hours. The mixture was rapidly filtered thourough a small column of silica gel and the filtrate was concentrated. The residue was purified by chromatography on silica gel to obtain the title compound (0.173 g).

1. temperatureto reflux for 1.75 hours
2. filtrationThe mixture was rapidly filtered thourough a small column of silica gel
3. concentrationthe filtrate was concentrated
4. customThe residue was purified by chromatography on silica gel