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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1291837Generated: October 31, 2026

1-(4-Pyridyl)piperazine → HCID 18918312, compound

https://huagongshe.com/reaction/1291837

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(4-Pyridyl)piperazineHCID 70517—
ReactantHCID 18918531HCID 18918531—
CatalystHydrochloric AcidHCID 313—
SolventIsopropanolHCID 3776—
ProductHCID 18918312HCID 1891831234.3%

Reaction Steps

To a solution of methyl 4-bromoquinolin-6-yloxyacetate (169 mg) in isopropanol(10 ml) was added 1-(4-pyridyl)piperazine (93 mg) followed by 2 drops of saturated ethereal HCl. The resulting mixture was refluxed for 18 hours. The mixture was filtered and concentrated. Purification by flash column chromatography on silica, eluting with methanol/dichloromethane (10% to 15% v/v in 1% increments) gave methyl 4-[4-(4-pyridyl)piperazin-1-yl]quinolin-6-yloxyacetate (74 mg) as a solid: NMR(d6DMSO) δ 3.2-3.4(m,4H), 3.6-3.7(m,4H), 3.75(s, 3H), 5.0(s,2H), 6.95(d,2H), 7.05(d,1H), 7.25(d,1H), 7.45(dd,1H), 7.9(d,1H), 8.25(d,2H), 8.6(d,1H); m/e 379(M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05753659
Source datasetuspto-grants-1998_05
ORD IDord-dfc00c7c3aea40fbb1c4dc3ad10b40b5
Source noteuspto-grants-1998_05