[CH:1]1([S:7]Cl)[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1.[CH:9]1([NH:15][S:16]([C:19]2[S:20][C:21]3[CH:27]=[CH:26][C:25]([Cl:28])=[CH:24][C:22]=3[N:23]=2)(=[O:18])=[O:17])[CH2:14][CH2:13][CH2:12][CH2:11][CH2:10]1.C(N(CC)CC)C.C(Cl)(Cl)Cl>CN(C)C=O>[CH:1]1([S:7][N:15]([CH:9]2[CH2:14][CH2:13][CH2:12][CH2:11][CH2:10]2)[S:16]([C:19]2[S:20][C:21]3[CH:27]=[CH:26][C:25]([Cl:28])=[CH:24][C:22]=3[N:23]=2)(=[O:17])=[O:18])[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]12.6 grams of cyclohexyl chlorosulfide (0.0172 mole) prepared as in Example 1 is added slowly to a stirred solution containing 5.4 grams (0.0163 mole) of N-cyclohexyl-5-chlorobenzothiazole-2-sulfonamide, and 2 grams of triethylamine (0.0178 mole) in 150 ml anhydrous dimethylformamide. The temperature is maintained between about 15° and 20° C. After stirring, 100 ml of chloroform is added and the reaction mixture is poured into 2 liters of ice water, and treated as in Example 5.
Loading…