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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1262249Generated: October 26, 2026

3-(3-Aminophenyl)-1,4-dimethylpiperazin-2-one → 3-{3-[7-(4-Methanesulfonyl-phenyl)-pyrrolo[2,1-f][1,2,4]triazin-2-ylamino]-phenyl}-1,4-dimethyl-piperazin-2-one

https://huagongshe.com/reaction/1262249

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-(3-Aminophenyl)-1,4-dimethylpiperazin-2-oneHCID 57416081—
ReactantHCID 178504663HCID 178504663—
Product3-{3-[7-(4-Methanesulfonyl-phenyl)-pyrrolo[2,1-f][1,2,4]triazin-2-ylamino]-phenyl}-1,4-dimethyl-piperazin-2-oneHCID 66711863—

Reaction Steps

3-{3-[7-(4-Methanesulfonyl-phenyl)-pyrrolo[2,1-f][1,2,4]triazin-2-ylamino]-phenyl}-1,4-dimethyl-piperazin-2-one was prepared from 7-(4-methanesulfonyl-phenyl)-pyrrolo[2,1-f][1,2,4]triazin-2-ol and 3-(3-amino-phenyl)-1,4-dimethyl-piperazin-2-one in an analogous manner to Example 1052a. Product isolated as a yellow foam (75 mg, 50%). LCMS (m/e) 491 (M+H); 1H-NMR (CDCl3, 400 MHz) δ 8.76 (s, 1H), 8.38 (d, 2H, J=8.4 Hz), 8.05 (d, 2H, J=8.4 Hz), 7.68 (s, 1H), 7.51 (d, 1H, J=8.2 Hz) 7.37-7.29 (m, 1H), 7.11 (d, 1H, J=7.6 Hz), 7.08 (d, 1H, J=4.8 Hz), 6.91 (s, 1H), 6.86 (d, 1H, J=4.8 Hz), 3.75-3.65 (m, 1H), 3.66 (s, 1H), 3.25-3.18 (m, 1H), 3.10 (s, 3H), 3.08-3.00 (m, 1H), 2.99 (s, 3H), 2.77-2.67 (m, 1H), 2.18 (s, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08471005B2
Source datasetuspto-grants-2013_06
ORD IDord-ba775418214f4caf9b70652ff562eba1
Source noteuspto-grants-2013_06