反应详情

The sub-title compound was prepared from 4,5-dichloro-2-nitroaniline (470 mg, 2.3 mmol), 5-aza-spiro[2.4]heptane (320 mg, 3.3 mmol) and potassium carbonate (470 mg, 3.4 mmol) in DMSO (5 mL) in analogy to example 3, step (a). Yield: 550 mg (91%). Rf(TLC): 0.85 (silica gel, DCM:EtOH 99:1). HPLC-method F: Rf=1.01 min. MS m/z: 533 [2M+H]+.