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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 472427Generated: October 31, 2026

4-(4-Methylpiperazin-1-yl)aniline → N(2)-[4-(4-Methyl-piperazin-1-yl)-phenyl]-N(8)-pyridin-3-ylmethyl-[1,2,4]triazolo[1,5-a]pyridine-2,8-diamine

https://huagongshe.com/reaction/472427

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(4-Methylpiperazin-1-yl)anilineHCID 737253—
Reactant2,2'-Bis(dicyclohexylphosphino)-1,1'-biphenylHCID 24946987—
Reactant(2-Chloro-[1,2,4]triazolo[1,5-a]pyridin-8-yl)-pyridin-3-ylmethyl-amineHCID 67481455—
ProductN(2)-[4-(4-Methyl-piperazin-1-yl)-phenyl]-N(8)-pyridin-3-ylmethyl-[1,2,4]triazolo[1,5-a]pyridine-2,8-diamineHCID 49839376—

Reaction Steps

N(2)-[4-(4-Methyl-piperazin-1-yl)-phenyl]-N(8)-pyridin-3-ylmethyl-[1,2,4]triazolo[1,5-a]pyridine-2,8-diamine was prepared from (2-chloro-[1,2,4]triazolo[1,5-a]pyridin-8-yl)-pyridin-3-ylmethyl-amine (75.0 mg, 0.289 mmol) and 4-(4-methyl-piperazin-1-yl)-phenylamine (61.0 mg, 0.319 mmol) with 2,2′-bis-dicyclohexylphosphanyl-biphenyl (25.0 mg, 0.0457 mmol) as the ligand in a manner analogous to Example 2d. Product isolated as a tan foam (0.075 g, 63%). 1H NMR (400 MHz, CDCl3, δ, ppm): 8.66 (s, 1H), 8.55 (d, J=4.1 Hz, 1H), 7.83 (d, J=6.5 Hz, 1H), 7.72 (d, J=7.8 Hz, 1H), 7.47 (d, J=8.9 Hz, 2H), 7.31-7.25 (m, 1H), 6.95 (d, J=8.9 Hz, 2H), 6.66 (t, J=7.3 Hz, 1H), 6.57 (s, 1H), 6.30 (d, J=7.7 Hz, 1H), 5.08 (t, J=5.6 Hz, 1H), 4.50 (d, J=5.8 Hz, 2H), 3.17-3.13 (m, 4H), 2.62-2.57 (m, 4H), 2.36 (s, 3H). MS=415 (MH)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08633173B2
Source datasetuspto-grants-2014_01
ORD IDord-fd3d15a20b194041b16907ebbd4c60d0
Source noteuspto-grants-2014_01