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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2273997Generated: October 30, 2026

2,4-Difluorophenyl isocyanate → Nelotanserin

https://huagongshe.com/reaction/2273997

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,4-Difluorophenyl isocyanateHCID 593258—
Reactant3-(4-Bromo-1-methyl-1H-pyrazol-5-yl)-4-methoxyanilineHCID 11572741—
SolventAcetonitrileHCID 6342—
ProductNelotanserinHCID 11683556—

Reaction Steps

reacting 3-(4-bromo-2-methyl-2H-pyrazol-3-yl)-4-methoxy-phenylamine with 2,4-difluorophenyl-isocyanate in the presence of acetonitrile to form a reaction mixture comprising 1-[3-(4-bromo-2-methyl-2H-pyrazol-3-yl)-4-methoxy-phenyl]-3-(2,4-difluoro-phenyl)-urea; and

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09126946B2
Source datasetuspto-grants-2015_09
ORD IDord-620188a991c14db3b854a69252cf2b77
Source noteuspto-grants-2015_09