3-(tert-Butylaminosulphonyl)benzeneboronic acid → HCID 25050018, compound

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The title compound was prepared from 4-(3-bromo-phenyl)-7-ethoxy-8-trifluoromethyl-1,3-dihydro-benzo[b][1,4]diazepin-2-one (Example B.3) (200 mg, 0.50 mmol) and commercially available 3-tert-butylsulfamoyl-benzeneboronic acid [CAS-no. 221290-14-8] (144 mg, 0.55 mmol) according to the general procedure II. Obtained as an off-white solid (169 mg, 65%). MS (ISP) 559.7 [(M+H)+]; mp 215-218° C.

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