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a H.COCHN -SOCH HN H3COCHN- b HAN- SO Ng -X hay 11 d HỌCO SHN- -SO2 -X X=H, F, Me, Ome a; Triethylamine, CHC13, 50°C, 5
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a H.COCHN -SOCH HN H3COCHN- b HAN- SO Ng -X hay 11 d HỌCO SHN- -SO2 -X X=H, F, Me, Ome a; Triethylamine, CHC13, 50°C, 5
a H.COCHN -SOCH HN H3COCHN- b HAN- SO Ng -X hay 11 d HỌCO SHN- -SO2 -X X=H, F, Me, Ome a; Triethylamine, CHC13, 50°C, 5 h (57% yeild, yellow crystals) b; HCI 6N, reflux, 2 h (82% yeild, yellow crystals) c; NaNO2, HCI, 0 °C, NaN3, 3 h (45-72% yeild, yellow crystals) d; MeSO,CI, CH2Cl2, Triethylamine, r.t 3 h (65-78% yeild, white crystals)