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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1808433Generated: October 30, 2026

3-Aminopyridine → 2-(3-(4-(1H-indazol-5-ylamino)quinazolin-2-yl)phenoxy)-N-(pyridin-3-yl)acetamide

https://huagongshe.com/reaction/1808433

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-AminopyridineHCID 10009—
ReactantDiisopropylethylamineHCID 81531—
ReactantPyBOPHCID 2724699—
Reactant2-(3-(4-((1H-indazol-5-yl)amino)quinazolin-2-yl)phenoxy)acetic acidHCID 59361988—
SolventDimethylformamideHCID 6228—
SolventDichloromethaneHCID 6344—
Product2-(3-(4-(1H-indazol-5-ylamino)quinazolin-2-yl)phenoxy)-N-(pyridin-3-yl)acetamideHCID 11612817—

Reaction Conditions

Temperature50 °C

Reaction Steps

A suspension of 2-(3-(4-(1H-indazol-5-ylamino)quinazolin-2-yl)phenoxy)acetic acid (100 mg, 0.24 mmol), PyBOP® (125 mg, 0.24 mmol), DIEA (250 μL, 0.44 mmol) in CH2Cl2:DMF (4 mL:1 mL) stirred at RT for 10-15 minutes. To this solution of activated acid was added 3-amino pyridine (23 mg, 0.24 mmol) and the reaction mixture was stirred at 50° C. for 1.5 h. Concentrated in vacuo and the crude product was purified using prep HPLC (method 10-35—90 mins) to afford 2-(3-(4-(1H-indazol-5-ylamino)quinazolin-2-yl)phenoxy)-N-(pyridin-3-yl)acetamide. (11 mg, 0.023 mmol, 9%)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08357693B2
Source datasetuspto-grants-2013_01
ORD IDord-7dc226b7bbb24c31b1689fece7104e2f
Source noteuspto-grants-2013_01