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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 252954Generated: November 2, 2026

1-Methylpiperazine → HCID 178480622, compound

https://huagongshe.com/reaction/252954

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-MethylpiperazineHCID 53167—
Reactant3H-Pyrazolo[4,3-c]quinolin-3-one, 2,5-dihydro-HCID 317991—
ProductHCID 178480622HCID 178480622—

Reaction Steps

The title compound was prepared following the procedure in Step 5 using 13a and 1-methylpiperazine. 1H-NMR (CD3OD) δ (ppm): 2.44 (3H, s), 2.74 (4H, brm), 3.44 (4H, brm), 7.03 (1H, d, J=2.20 Hz), 7.27 (1H, ddd, J=7.41, 1.64, 1.10 Hz), 7.35 (1H, dd, J=9.07, 2.47 Hz), 7.65 (2H, m), 7.99 (2H, m), 8.17 (1H, d, J=9.07 Hz), 8.53 (1H, s). m/z 360.4 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07872002B2
Source datasetuspto-grants-2011_01
ORD IDord-d74bb6ca1cc34548aca8cf83e116febc
Source noteuspto-grants-2011_01