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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1035445Generated: November 2, 2026

3-tert-Butyl-5-isocyanato-1-p-tolyl-1H-pyrazole → 1-(3-tert-butyl-1-p-tolyl-1H-pyrazol-5-yl)-3-(3-(2-methyl-3-oxo-3,4-dihydropyrido[2,3-b]pyrazin-8-yloxy)phenyl)urea

https://huagongshe.com/reaction/1035445

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-tert-Butyl-5-isocyanato-1-p-tolyl-1H-pyrazoleHCID 17987855—
Reactant8-(3-aminophenoxy)-2-methylpyrido[2,3-b]pyrazin-3(4H)-oneHCID 46901594—
Product1-(3-tert-butyl-1-p-tolyl-1H-pyrazol-5-yl)-3-(3-(2-methyl-3-oxo-3,4-dihydropyrido[2,3-b]pyrazin-8-yloxy)phenyl)ureaHCID 4690042757%

Reaction Steps

Method F2 was used with 8-(3-aminophenoxy)-2-methylpyrido[2,3-b]pyrazin-3(4H)-one and 3-tert-butyl-5-isocyanato-1-p-tolyl-1H-pyrazole to afford the title compound as a white solid (89 mg, 57%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08546387B2
Source datasetuspto-grants-2013_10
ORD IDord-57f6add136f74642a1c2677737c3f691
Source noteuspto-grants-2013_10