Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 217829Generated: October 26, 2026

2-Fluoro-5-(trifluoromethyl)phenyl isocyanate → 1-(2-Fluoro-5-(trifluoromethyl)phenyl)-3-(4-(2-oxo-1,2-dihydropyrido[2,3-b]pyrazin-8-yloxy)naphthalen-1-yl)urea

https://huagongshe.com/reaction/217829

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Fluoro-5-(trifluoromethyl)phenyl isocyanateHCID 2733380—
Reactant8-(4-aminonaphthalen-1-yloxy)pyrido[2,3-b]pyrazin-2(1H)-oneHCID 46901250—
Product1-(2-Fluoro-5-(trifluoromethyl)phenyl)-3-(4-(2-oxo-1,2-dihydropyrido[2,3-b]pyrazin-8-yloxy)naphthalen-1-yl)ureaHCID 4413372698%

Reaction Steps

Method F2 was used with 8-(4-aminonaphthalen-1-yloxy)pyrido[2,3-b]pyrazin-2(1H)-one and 1-fluoro-2-isocyanato-4-(trifluoromethyl)benzene to afford the title compound as a white solid (65 mg, 98%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08198279B2
Source datasetuspto-grants-2012_06
ORD IDord-8640ec4fe72544e5ab9172a0ecb6a679
Source noteuspto-grants-2012_06