1: aniline With hydrogenchloride; sodium nitrite in water Diazotization; 2: ethyl 3-oxo-3-phenylpropionate With sodium acetate in ethanol; water T=0°C; Addition; 2 h; Further stages.;

acetic anhydride; zinc in acetic acid T=0 - 20°C; Acylation; 2.16667 h;

acetic anhydride; acetic acid; zinc

acetic acid; zinc