(3,4,5-Trifluorophenyl)boronic Acid (contains varying amounts of Anhydride) → HCID 90035875, compound

Participants

Reaction Steps

The title compound, grey solid (45 mg, 51%), MS (ISP) m/z=356.6 [(M+H)+], mp 253° C., was prepared in accordance with the general method of example 1 from 6-bromo-10-methyl-1-oxo-1,2,3,4-tetrahydro-pyrazino[1,2-a]indole-8-carbonitrile (intermediate 16) (76 mg, 0.25 mmol) and commercially available 3,4,5-trifluoro-phenylboronic acid (57.2 mg, 0.325 mmol).

Provenance & Evidence