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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 449343Generated: October 29, 2026

Triethylamine → 1-[7-[2-amino-6-(4-methylpiperazin-1-yl)pyrimidin-4-yl]-3,4-dihydro-1H-isoquinolin-2-yl]-2-cyclopentylethanone

https://huagongshe.com/reaction/449343

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantCyclopentylacetic acidHCID 71606—
ReactantBenzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphateHCID 151348—
Reactant4-(4-methylpiperazin-1-yl)-6-(1,2,3,4-tetrahydroisoquinolin-7-yl)pyrimidin-2-amine HCl saltHCID 67541489—
Product1-[7-[2-amino-6-(4-methylpiperazin-1-yl)pyrimidin-4-yl]-3,4-dihydro-1H-isoquinolin-2-yl]-2-cyclopentylethanoneHCID 59496762—

Reaction Steps

Triethylamine (24 uL, 0.17 mmol) was added to a mixture of 4-(4-methylpiperazin-1-yl)-6-(1,2,3,4-tetrahydroisoquinolin-7-yl)pyrimidin-2-amine HCl salt (15 mg, 0.034 mmol), cyclopentaneacetic acid (5.2 uL, 0.041 mmol) (Aldrich, Cat. #125490), and benzotriazol-1-yloxytris(dimethylamino)phosphonium hexafluorophosphate (17 mg, 0.038 mmol) (Chem-Impex, Cat. #00604) in N,N-dimethylformate (0.5 mL). The mixture was stirred at r.t. for 30 min., and then purified by RP-LCMS (pH=10) to afford the desired product. Analytic LCMS (M+H)+: m/z=435.2.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08481732B2
Source datasetuspto-grants-2013_07
ORD IDord-bee29ed5da99409fa15959ec835e3bbd
Source noteuspto-grants-2013_07