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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1406964Generated: November 2, 2026

Water → HCID 25013867, compound

https://huagongshe.com/reaction/1406964

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
Reactant1-MethylpiperazineHCID 53167—
Reactant5-(6-(2-chloroethoxy)-2-(3-fluoro-4-(phenyl)phenyl)-7-methoxyquinazolin-4-ylamino)-1H-indazole-1-carboxylateHCID 86642407—
SolventDimethyl SulfoxideHCID 679—
ProductHCID 25013867HCID 25013867—

Reaction Conditions

Temperature85 °C

Reaction Steps

A mixture of 5-(6-(2-chloroethoxy)-2-(3-fluoro-4-(phenyl)phenyl)-7-methoxyquinazolin-4-ylamino)-1H-indazole-1-carboxylate (0.35 g, 0.55 mmol) and 4-methyl piperazine in DMSO (1.5 mL) was heated at 85° C. for 3 h. The mixture was allowed to cool to RT, upon which it was poured into water (100 mL). The solid that formed was collected via filtration and purified by preparative TLC (SiO2, CH2Cl2:MeOH 9:1) to give the desired compound. The lower running spot was isolated and then taken up in CH2Cl2 (6 mL) and TFA (5 mL). The mixture was stirred for 2.5 h at RT. The volatiles were removed in vacuo to give a solid which was triturated with Et2O, filtered and dried under vacuum to give the desired product 2-(3-fluoro-4-(phenyl)phenyl)-N-(1H-indazol-5-yl)-7-methoxy-6-(2-(4-methylpiperazin-1-yl)ethoxy)quinazolin-4-amine (0.111 g, 0.184 mmol, 33%). MS 604.5 (M+1). HPLC retention time 5.10 mins.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08916576B2
Source datasetuspto-grants-2014_12
ORD IDord-a2990a5786a64e5ea9f342e4efb4bebd
Source noteuspto-grants-2014_12