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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 217811Generated: October 29, 2026

1-Chloro-4-isocyanato-2-(trifluoromethyl) benzene → 1-(4-Chloro-3-(trifluoromethyl)phenyl)-3-(2-(methylthio)-4-(3-oxo-3,4-dihydropyrido[3,2-b]pyrazin-8-yloxy)phenyl)urea

https://huagongshe.com/reaction/217811

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Chloro-4-isocyanato-2-(trifluoromethyl) benzeneHCID 2733265—
Reactant8-(4-amino-3-(methylthio)phenoxy)pyrido[3,2-b]pyrazin-3(4H)-oneHCID 46901091—
Product1-(4-Chloro-3-(trifluoromethyl)phenyl)-3-(2-(methylthio)-4-(3-oxo-3,4-dihydropyrido[3,2-b]pyrazin-8-yloxy)phenyl)ureaHCID 4413152792%

Reaction Steps

Using Method F2 with 8-(4-amino-3-(methylthio)phenoxy)pyrido[3,2-b]pyrazin-3(4H)-one and 4-chloro-3-trifluoromethylphenyl isocyanate, the title compound (48 mg, 92%) was obtained as a pale white powder.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08198279B2
Source datasetuspto-grants-2012_06
ORD IDord-7cbf3fe44966495488e6aeb2b7ecad37
Source noteuspto-grants-2012_06