3,4-Difluorobenzeneboronic acid → HCID 73334920, compound

Participants

Reaction Steps

The title compound, white solid (72 mg, 86%), MS (ISP) m/z=335.3 [(M+H)+], mp 317.5° C., was prepared in accordance with the general method of example 1 from 6-bromo-8,9-difluoro-3,4-dihydro-2H-pyrazino[1,2-a]indol-1-one (intermediate 4) (75.3 mg, 0.25 mmol) and commercially available 3,4-difluoro-phenylboronic acid (51.3 mg, 0.325 mmol).

Provenance & Evidence