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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 454881Generated: October 25, 2026

tert-butyl 4-(3-((1-(quinolin-2-yl)azetidin-3-yl)oxy)pyrazin-2-yl)-5,6-dihydropyridine-1(2H)-carboxylate → Tert-butyl 4-(3-((1-(quinolin-2-yl)azetidin-3-yl)oxy)pyrazin-2-yl)piperidine-1-carboxylate

https://huagongshe.com/reaction/454881

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-butyl 4-(3-((1-(quinolin-2-yl)azetidin-3-yl)oxy)pyrazin-2-yl)-5,6-dihydropyridine-1(2H)-carboxylateHCID 58547770—
CatalystPalladiumHCID 23938—
SolventMethanolHCID 887—
ProductTert-butyl 4-(3-((1-(quinolin-2-yl)azetidin-3-yl)oxy)pyrazin-2-yl)piperidine-1-carboxylateHCID 5854812986%

Reaction Steps

A mixture of tert-butyl 4-(3-((1-(quinolin-2-yl)azetidin-3-yl)oxy)pyrazin-2-yl)-5,6-dihydropyridine-1(2H)-carboxylate (459 mg, 1.0 mmol) and wet Pd—C (50%, 300 mg) in MeOH (20 mL) was stirred under H2 (30 psi) at room temperature overnight then the reaction mixture was filtered through and washed with MeOH. The filtrate was concentrated in vacuo to give tert-butyl 4-(3-((1-(quinolin-2-yl)azetidin-3-yl)oxy)pyrazin-2-yl)piperidine-1-carboxylate (400 mg, 0.86 mmol, yield 86%). ESI-MS (M+1): 463 calc. for C26H31N5O3 462.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08497265B2
Source datasetuspto-grants-2013_07
ORD IDord-0de6415f186e4d5cb889264940e7bf3d
Source noteuspto-grants-2013_07