4-Chloro-2-(trifluoromethyl)phenyl isocyanate → 1-(4-Chloro-2-trifluoromethylphenyl)-3-[2-(6,7-dimethoxyquinazolin-4-ylamino)benzothiazol-6-yl]urea

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반응 단계

1-(4-Chloro-2-trifluoromethylphenyl)-3-[2-(6,7-dimethoxyquinazolin-4-ylamino)benzothiazol-6-yl]urea was prepared from 4-chloro-2-(trifluoromethyl)phenyl isocyanate (17 μL, 0.113 mmol) and N2-(6,7-dimethoxyquinazolin-4-yl)benzothiazole-2,6-diamine (40 mg, 0.113 mmol) according to GP 3. The solid was filtered off and washed thoroughly with dichloromethane to obtain a yellow solid (27 mg, 48 μmol, 42%). LC/ESI-MS: m/z=575 [M(35Cl)+H]+; m/z=573 [M(35Cl)−H]−; Rt=3.79 min.

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