反应详情

A solution of 2-(1-benzylpiperidin-4-ylamino)nicotinic acid (311 mg, 1.0 mmol, 1.0 eq) prepared in Preparation Example 16, and thionyl chloride (1.5 mmol) in 5 ml of methylene chloride was stirred for 1 hr under reflux. The reaction mixture was cooled to room temperature and immediately used in the next step without further purification.

1. temperatureunder reflux
2. customimmediately used in the next step without further purification