hydrogen bromide; acetic acid 3 h; Heating;

1: 94 percent / thionylchloride / CH2Cl2; dimethylformamide / 3 h / Heating 2: 1) NaH / 1) DMF, 0 deg C, 2) DMF, 30 min 3: 76 percent / glacial acetic acid, HBr (30percent) / 3 h / Heating View Scheme

1: 1) NaH / 1) DMF, 0 deg C, 2) DMF, 30 min 2: 76 percent / glacial acetic acid, HBr (30percent) / 3 h / Heating View Scheme

1: 1) NaH / 1) DMF, 0 deg C, 2) DMF, 30 min 2: 76 percent / glacial acetic acid, HBr (30percent) / 3 h / Heating View Scheme

silver(I) acetate in acetic acid Title compound not separated from byproducts;