反应条件
1: [3H]-Nicotinic acid With O,N-dimethyl-hydroxylamine hydrochloride; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine in dichloromethane T=20°C; 4 h; 2: chloro(phenylmethyl)-magnesium in tetrahydrofuran T=-78°C; 2 h; 3: With ammonium chloride in tetrahydrofuran; water
