(3,4,5-Trifluorophenyl)boronic Acid (contains varying amounts of Anhydride) → HCID 90036214, compound

Participants

Reaction Steps

The title compound, light grey solid (72 mg, 81%), MS (ISP) m/z=356.4 [(M+H)+], mp 248.5° C., was prepared in accordance with the general method of example 1 from 7-bromo-1-oxo-2,3,4,5-tetrahydro-[1,4]diazepino[1,2-a]indole-9-carbonitrile (intermediate 20) (76.0 mg, 0.25 mmol) and commercially available 3,4,5-trifluoro-phenylboronic acid (57.2 mg, 0.325 mmol).

Provenance & Evidence