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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1159937Generated: October 31, 2026

N-[3-(3-{2-[{3-[(4-Amino-2-fluorophenyl)oxy]propyl}(methyl)amino]-4-pyrimidinyl}pyrazolo[1,5-a]pyridin-2-yl)phenyl]-2,6-difluorobenzamide → 3-Fluoro-4-[2-(1-piperidinyl)ethoxy]phenylamine

https://huagongshe.com/reaction/1159937

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-[3-(3-{2-[{3-[(4-Amino-2-fluorophenyl)oxy]propyl}(methyl)amino]-4-pyrimidinyl}pyrazolo[1,5-a]pyridin-2-yl)phenyl]-2,6-difluorobenzamideHCID 59513855—
Reactant1-[2-(2-Fluoro-4-nitrophenoxy)ethyl]piperidineHCID 59513865—
Product3-Fluoro-4-[2-(1-piperidinyl)ethoxy]phenylamineHCID 19627249—

Reaction Steps

In a manner analogous to Example 125, 0.57 g of the title compound was prepared from 1-{2-[(2-fluoro-4-nitrophenyl)oxy]ethyl}piperidine as a brown oil: 1H NMR (CDCl3, 400 MHz) δ 1.44-1.46 (m, 2H), 1.57-1.63 (m, 4H), 2.50-2.57 (m, 4H), 2.74 (t, 2H, J=6.2 Hz), 3.50 (brs, 2H), 4.08 (t, 2H, J=6.2 Hz), 6.35 (ddd, 1H, J=8.6, 2.5, and 1.5 Hz), 6.45 (dd, 1H, J=12.7 and 2.8 Hz), and 6.81 (t, 1H, J=8.8 Hz).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07812022B2
Source datasetuspto-grants-2010_10
ORD IDord-31cba8b349fa48329330f19b37d26a45
Source noteuspto-grants-2010_10