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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 550460Generated: October 29, 2026

1-Methylpiperazine → N-{3-chloro-4-[(6-methylpyridin-3-yl)oxy]phenyl}-3-[2-(4-methylpiperazin-1-yl)ethoxy]-1H-pyrazolo[3,4-d]pyrimidin-4-amine

https://huagongshe.com/reaction/550460

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-MethylpiperazineHCID 53167—
Reactant3-(2-chloroethoxy)-N-{3-chloro-4-[(6-methylpyridin-3-yl)oxy]phenyl}-1H-pyrazolo[3,4-d]pyrimidin-4-amineHCID 11654890—
ProductN-{3-chloro-4-[(6-methylpyridin-3-yl)oxy]phenyl}-3-[2-(4-methylpiperazin-1-yl)ethoxy]-1H-pyrazolo[3,4-d]pyrimidin-4-amineHCID 6702056142%

Reaction Steps

The procedure described in Example 23 was repeated using 3-(2-chloroethoxy)-N-{3-chloro-4-[(6-methylpyridin-3-yl)oxy]phenyl}-1H-pyrazolo[3,4-d]pyrimidin-4-amine and N-methylpiperazine to give the title compound in 42% yield; NMR Spectrum: 2.11 (s, 3H), 2.28 (br s, 4H), 2.45 (s, 3H), 2.50 (hidden by DMSO, 4H), 2.80 (t, 2H), 4.44 (t, 2H), 7.20 (d, 1H), 7.26 (br s, 2H), 7.72 (d, 1H), 8.11 (s, 1H), 8.20 (s, 1H), 8.36 (s, 1H), 8.59 (br s, 1H); Mass Spectrum: 495 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07947676B2
Source datasetuspto-grants-2011_05
ORD IDord-66fd1960260c474fb5af56b740207ae0
Source noteuspto-grants-2011_05