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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 472415Generated: October 27, 2026

4-(2-(Pyrrolidin-1-yl)ethoxy)aniline → N(8)-(2-Methanesulfonyl-benzyl)-N(2)-[4-(2-pyrrolidin-1-yl-ethoxy)-phenyl]-[1,2,4]triazolo[1,5-a]pyridine-2,8-diamine

https://huagongshe.com/reaction/472415

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(2-(Pyrrolidin-1-yl)ethoxy)anilineHCID 6493749—
Reactant2,2'-Bis(dicyclohexylphosphino)-1,1'-biphenylHCID 24946987—
Reactant(2-Chloro-[1,2,4]triazolo[1,5-a]pyridin-8-yl)-(2-methanesulfonyl-benzyl)-amineHCID 67479011—
ProductN(8)-(2-Methanesulfonyl-benzyl)-N(2)-[4-(2-pyrrolidin-1-yl-ethoxy)-phenyl]-[1,2,4]triazolo[1,5-a]pyridine-2,8-diamineHCID 67481482—

Reaction Steps

N(8)-(2-Methanesulfonyl-benzyl)-N(2)-[4-(2-pyrrolidin-1-yl-ethoxy)-phenyl]-[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)-(2-methanesulfonyl-benzyl)-amine (75.0 mg, 0.223 mmol) and 4-(2-pyrrolidin-1-yl-ethoxy)-phenylamine (51.0 mg, 0.247 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 (0.037 g, 33%). 1H NMR (400 MHz, CDCl3, δ, ppm): 8.11 (d, J=7.8 Hz, 1H), 7.84 (d, J=6.6 Hz, 1H), 7.67-7.58 (m, 2H), 7.52 (t, J=6.9 Hz, 1H), 7.46 (d, J=8.8 Hz, 2H), 6.92 (d, J=8.8 Hz, 2H), 6.68 (t, J=7.5 Hz, 1H), 6.52 (s, 1H), 6.42 (d, J=7.6 Hz, 1H), 5.28 (t, J=6.0 Hz, 1H), 4.96 (d, J=6.2 Hz, 2H), 4.12 (t, J=5.6 Hz, 2H), 3.16 (s, 3H), 2.96-2.88 (m, 2H), 2.67 (br s, 4H), 1.89-1.76 (m, 4H). MS=507 (MH)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08633173B2
Source datasetuspto-grants-2014_01
ORD IDord-24d2f058d4474c74a84abc563dd61b68
Source noteuspto-grants-2014_01