3,4-Difluorobenzeneboronic acid → HCID 90036117, compound

Participants

Reaction Steps

The title compound, light yellow solid (79 mg, 96%), MS (ISP) m/z=331.1 [(M+H)+], mp 230.5° C., was prepared in accordance with the general method of example 1 from 7-bromo-9-fluoro-2,3,4,5-tetrahydro-[1,4]diazepino[1,2-a]indol-1-one (intermediate 2) (74.3 mg, 0.25 mmol) and commercially available 3,4-difluoro-phenylboronic acid (51.3 mg, 0.325 mmol).

Provenance & Evidence