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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 217854Generated: October 30, 2026

3-tert-Butyl-5-isocyanato-1-phenyl-1H-pyrazole → 1-(3-tert-butyl-1-phenyl-1H-pyrazol-5-yl)-3-(3-(2-oxo-1,2-dihydropyrido[2,3-b]pyrazin-8-yloxy)phenyl)urea

https://huagongshe.com/reaction/217854

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-tert-Butyl-5-isocyanato-1-phenyl-1H-pyrazoleHCID 11096760—
Reactant8-(3-aminophenoxy)pyrido[2,3-b]pyrazin-2(1H)-oneHCID 46899946—
Product1-(3-tert-butyl-1-phenyl-1H-pyrazol-5-yl)-3-(3-(2-oxo-1,2-dihydropyrido[2,3-b]pyrazin-8-yloxy)phenyl)ureaHCID 4413253429%

Reaction Steps

Method F2 was used with 8-(3-aminophenoxy)pyrido[2,3-b]pyrazin-2(1H)-one and 3-tert-butyl-5-isocyanato-1-phenyl-1H-pyrazole to afford the title compound as a yellow solid (57 mg, 29%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08198279B2
Source datasetuspto-grants-2012_06
ORD IDord-82002b026ed44950aa376217bb9444c8
Source noteuspto-grants-2012_06