3-(tert-Butylaminosulphonyl)benzeneboronic acid → 3'-(8-Methyl-4-oxo-7-trifluoromethyl-4,5-dihydro-3H-benzo[b][1,4]diazepin-2-yl)-biphenyl-3-sulfonic acid tert-butylamide

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Reaction Steps

The title compound was prepared from 4-(3-bromo-phenyl)-7-methyl-8-trifluoromethyl-1,3-dihydro-benzo[b][1,4]diazepin-2-one (Example B.1) (200 mg, 0.50 mmol) and commercially available 3-tert-butylsulfamoyl-benzeneboronic acid [CAS-no. 221290-14-8] (155 mg, 0.60 mmol) according to the general procedure II. Obtained as a light yellow solid (275 mg, 97%). MS (ISP) 530.1 [(M+H)+]; mp 133° C. (dec).

Provenance & Evidence