Dichloromethane → HCID 23132504, compound

Participants

Reaction Steps

1-(4-Chlorophenyl)-3-[2-(6,7-dimethoxyquinazolin-4-ylamino)benzothiazol-6-yl]urea was prepared from 4-chlorophenyl isocyanate (17.4 mg, 0.113 mmol) and N2-(6,7-dimethoxyquinazolin-4-yl)benzothiazole-2,6-diamine (40 mg, 0.113 mmol) according to GP 3. Preparative TLC of the reaction mixture (dichloromethane:methanol=9:1) furnished a yellowish solid (33.9 mg, 67 μmol, 59%). LC/ESI-MS: m/z=507 [M(35Cl)+H]+; m/z=505 [M(35Cl)−H]−; R′, =3.50 min.

Provenance & Evidence