acetic acid; sodium nitrite folgende Reduktion mit Zink und Essigsaeure, anfangs bei 10grad, und Kochen des Reaktionsprodukts mit 10prozentig. HCl;

hydrogenchloride wiederholte Einwirkung von SnCl2 und konz.HCl auf das Reaktionsprodukt;

1: 70 percent / sodium bicarbonate / ethyl acetate; H2O / Ambient temperature 2: 56 percent / 61 percent sodium hydride in paraffine / dimethylformamide / -50 deg C, up to 10 deg C View Scheme

1: 70 percent / sodium bicarbonate / ethyl acetate; H2O / Ambient temperature 2: 56 percent / 61 percent sodium hydride in paraffine / dimethylformamide / -50 deg C, up to 10 deg C 3: 84 percent / phosphoryl chloride / dimethylformamide / 0 deg C then rt. View Scheme

1: 70 percent / sodium bicarbonate / ethyl acetate; H2O / Ambient temperature 2: 56 percent / 61 percent sodium hydride in paraffine / dimethylformamide / -50 deg C, up to 10 deg C 3: 84 percent / phosphoryl chloride / dimethylformamide / 0 deg C then rt. 4: 87 percent / potassium hydroxide / methanol; H2O / Ambient temperature View Scheme

sodium hydrogencarbonate in water; ethyl acetate Ambient temperature;

in benzene 4 h; Heating;

1: 72 percent / benzene / 4 h / Heating 2: 90 percent / POCl3 / 3 h / Heating View Scheme

sodium acetate in acetic acid T=90 - 100°C; 3 h;