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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 729618Generated: October 29, 2026

Tetrahydrofuran → [4-(4-Amino-isoquinolin-1-yl)-piperazin-1-yl]-(2-fluoro-phenyl)-methanone

https://huagongshe.com/reaction/729618

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetrahydrofuranHCID 8028—
ReactantAmmonium HydroxideHCID 14923—
ReactantSodium DithioniteHCID 24489—
Reactant(2-Fluoro-phenyl)-[4-(4-nitro-isoquinolin-1-yl)-piperazin-1-yl]-methanoneHCID 69055062—
SolventWaterHCID 962—
Product[4-(4-Amino-isoquinolin-1-yl)-piperazin-1-yl]-(2-fluoro-phenyl)-methanoneHCID 5783282265.1%

Reaction Steps

Add Na2S2O4 (60.87 g, 39.4 mmol) followed by NH4OH 32% (15 mL) to (2-fluoro-phenyl)-[4-(4-nitro-isoquinolin-1-yl)-piperazin-1-yl]-methanone (3 g, 7.89 mmol) in 170 mL of 1:1 mixture of THF:H2O and stir for 90 min. Dilute with water and extract with AcOEt several times. Combine organics and wash with saturated aq. sodium chloride, dry over Na2SO4 and evaporate under reduced pressure to give 1.8 g of the title compound as a solid. LCMS ES+ (m/z) 351.2 [M+H].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07582638B2
Source datasetuspto-grants-2009_09
ORD IDord-57a70230a3bf4ae287e5f288719c0262
Source noteuspto-grants-2009_09