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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 925653Generated: October 29, 2026

4-Chlorophenylboronic acid → 6-(4-Chloro-phenyl)-8-fluoro-3,4-dihydro-2H-pyrazino[1,2-a]indol-1-one

https://huagongshe.com/reaction/925653

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Chlorophenylboronic acidHCID 74299—
Reactant6-Bromo-8-fluoro-3,4-dihydro-2H-pyrazino[1,2-a]indol-1-oneHCID 90036902—
Product6-(4-Chloro-phenyl)-8-fluoro-3,4-dihydro-2H-pyrazino[1,2-a]indol-1-oneHCID 90035906—

Reaction Steps

The title compound, light grey solid (75 mg, 95%), MS (ISP) m/z=315.1 [(M+H)+], mp 322° C., was prepared in accordance with the general method of example 1 from 6-bromo-8-fluoro-3,4-dihydro-2H-pyrazino[1,2-a]indol-1-one (intermediate 1) (70.8 mg, 0.25 mmol) and commercially available 4-chloro-phenylboronic acid (50.8 mg, 0.325 mmol).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09284321B2
Source datasetuspto-grants-2016_03
ORD IDord-9528b46f94204dfeb5ce09baa09c1086
Source noteuspto-grants-2016_03