反应详情

The pyridine from step (a) above (5 g, 3.38 mmol) and tert-butylpiperazinecarboxylate (6.29 g, 3.38 mmol, Aldrich) reacted under the conditions of Example 3a to give the title compound as an orange oil. MS (ESI, pos. ion) m/z: 298 (M+1).