Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1262240Generated: November 3, 2026

3-(4-Aminophenyl)-1,4-dimethylpiperazin-2-one → HCID 66712133, compound

https://huagongshe.com/reaction/1262240

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-(4-Aminophenyl)-1,4-dimethylpiperazin-2-oneHCID 57625120—
Reactant7-(2-Methoxyphenyl)-pyrrolo[2,1-f][1,2,4]triazin-2-olHCID 178489276—
ProductHCID 66712133HCID 66712133—

Reaction Steps

3-{4-[7-(2-Methoxy-phenyl)-pyrrolo[2,1-f][1,2,4]triazin-2-ylamino]-phenyl}-1,4-dimethyl-piperazin-2-one was prepared from 7-(2-methoxy-phenyl)-pyrrolo[2,1-f][1,2,4]triazin-2-ol and 3-(4-amino-phenyl)-1,4-dimethyl-piperazin-2-one in an analogous manner to Example 1052a. Product isolated as a yellow solid (55 mg, 42%). m.p.=249-251° C.; LCMS (m/e) 443 (M+H); 1H-NMR (CDCl3, 400 MHz) δ 8.68 (s, 1H), 7.95 (d, 1H, J=7.6 Hz), 7.55 (d, 2H, J=8.4 Hz), 7.46-7.38 (m, 1H), 7.24 (d, 2H, J=8.4 Hz), 7.17-7.09 (m, 1H), 7.06 (d, 1H, J=8.3 Hz), 7.01 (d, 1H, J=4.6 Hz), 6.84 (d, 1H, J=4.6 Hz), 6.79 (bs, 1H), 3.84 (s, 3H), 3.77-3.68 (m, 1H), 3.66 (s, 1H), 3.24-3.17 (m, 1H), 3.05-2.97 (m, 1H), 2.98 (s, 3H), 2.71-2.61 (m, 1H), 2.17 (s, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08471005B2
Source datasetuspto-grants-2013_06
ORD IDord-ca83ac01fd474f849f0f047ba56c1844
Source noteuspto-grants-2013_06