反应详情

The starting substance is prepared as follows: To a solution of 1 g (5.5 millimoles) of 2-benzoyl-pyridine in 10 ml of dichloromethane a solution of 1.04 g (5.5 millimoles) of O-(p-toluenesulfonyl)-hydroxylamine in 20 ml of dichloromethane is added. The reaction mixture is allowed to stand for 2 hours, then ether is added. 1.5 g (74%), of 1-amino-2-benzoyl-pyridinium-p-toluene sulfonate are obtained.

1. customThe starting substance is prepared