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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 550516Generated: October 29, 2026

1-Methylpiperazine → N-[4-(benzyloxy)-3-methylphenyl]-3-[2-(4-methylpiperazin-1-yl)ethoxy]-1H-pyrazolo[3,4-d]pyrimidin-4-amine

https://huagongshe.com/reaction/550516

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-MethylpiperazineHCID 53167—
ReactantHCID 86620009HCID 86620009—
ProductN-[4-(benzyloxy)-3-methylphenyl]-3-[2-(4-methylpiperazin-1-yl)ethoxy]-1H-pyrazolo[3,4-d]pyrimidin-4-amineHCID 6702061455%

Reaction Steps

The procedure described in Example 55 was repeated using 2-[(4-{[4-(benzyloxy)-3-methylphenyl]amino}-1H-pyrazolo[3,4-d]pyrimidin-3-yl)oxy]ethyl methanesulfonate (prepared as described in Example 110) and N-methylpiperazine to give the title compound in 55% yield; NMR Spectrum: 2.10 (s, 3H), 2.22 (s, 3H), 2.22-2.55 (m, 8H), 2.77 (t, 2H), 4.41 (t, 2H), 5.13 (s, 2H), 7.01 (d, 1H), 7.31-7.48 (m, 7H), 8.17 (s, 1H), 8.24 (s, 1H); Mass Spectrum: 474 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07947676B2
Source datasetuspto-grants-2011_05
ORD IDord-1a971e576e744a3b854e217106fc33f6
Source noteuspto-grants-2011_05