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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 61553Generated: October 30, 2026

Trifluoroacetic acid → N-(3-(4-(1H-indazol-5-ylamino)quinazolin-2-yl)phenyl)-3-(4-isopropyl piperazin-1-yl)propanamide

https://huagongshe.com/reaction/61553

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactanttert-butyl 5-(2-(3-(3-(4-isopropylpiperazin-1-yl)propanamido)phenyl)quinazolin-4-ylamino)-1H-indazole-1-carboxylateHCID 59361908—
SolventDichloromethaneHCID 6344—
ProductN-(3-(4-(1H-indazol-5-ylamino)quinazolin-2-yl)phenyl)-3-(4-isopropyl piperazin-1-yl)propanamideHCID 11950893—

Reaction Steps

To tert-butyl 5-(2-(3-(3-(4-isopropylpiperazin-1-yl)propanamido)phenyl)-quinazolin-4-ylamino)-1H-indazole-1-carboxylate (60 mg, 0.094 mmol) was added a solution of 1:1 TFA:CH2Cl2 (4 mL) and stirred at RT for 2 h. The reaction mixture was concentrated in vacuo and the crude product was purified by prep HPLC (method 10-35_90 mins) to afford N-(3-(4-(1H-indazol-5-ylamino)quinazolin-2-yl)phenyl)-3-(4-isopropylpiperazin-1-yl)propanamide. (61 mg, 0.11 mmol, 100%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09440961B2
Source datasetuspto-grants-2016_09
ORD IDord-576a956430014cf398648c48c230fb95
Source noteuspto-grants-2016_09