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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 81357Generated: October 25, 2026

Diisopropylethylamine → 2-chloro-4-[5-chloro-4-(2-methyl-3-oxo-2,3-dihydro-1H-isoindol-4-yloxy)-pyrimidin-2-ylamino]-5-methoxy-N-(1-methyl-piperidin-4-yl)-benzamide

https://huagongshe.com/reaction/81357

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
Reactant4-Amino-1-methylpiperidineHCID 2737531—
Reactant2-chloro-4-[5-chloro-4-(2-methyl-3-oxo-2,3-dihydro-1H-isoindol-4-yloxy)-pyrimidin-2-ylamino]-5-methoxy-benzoic acidHCID 58522629—
SolventDimethylformamideHCID 6228—
Product2-chloro-4-[5-chloro-4-(2-methyl-3-oxo-2,3-dihydro-1H-isoindol-4-yloxy)-pyrimidin-2-ylamino]-5-methoxy-N-(1-methyl-piperidin-4-yl)-benzamideHCID 58522655—

Reaction Steps

2-chloro-4-[5-chloro-4-(2-methyl-3-oxo-2,3-dihydro-1H-isoindol-4-yloxy)-pyrimidin-2-ylamino]-5-methoxy-benzoic acid (65 mg), TBTU (60 mg) and DIPEA (0.1 mL) are suspended in DMF (0.50 mL) and stirred for 5 min. 1-methylpiperidin-4-amine (18 mg) is added and the reaction mixture is stirred for a further 20 min. The reaction mixture is purified by HPLC without working up. (IC50=1 nmol).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08846689B2
Source datasetuspto-grants-2014_09
ORD IDord-9aa7c2c2978a4154bab6733964e95079
Source noteuspto-grants-2014_09