1: 4-nitro-aniline With hydrogenchloride; sodium nitrite in water T=0 - 4°C; 0.25 h; 2: 1-N,N-dimethylaminonaphthalene With potassium acetate in water; acetic acid T=20°C; 1.5 h; Cooling with ice;
参考文献
Rolic AG
Patent: EP1256602 A1, 2002 ;
Location in patent: Page 14 ;