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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 556825Generated: October 26, 2026

Ethyl 2,5-dimethoxy-tetrahydrofuran-3-carboxylate → tert-Butyl 3-((2-(5-cyanopyrazin-2-ylamino)-5-(3-(ethoxycarbonyl)-1H-pyrrol-1-yl)pyridin-4-ylamino)methyl)piperidine-1-carboxylate

https://huagongshe.com/reaction/556825

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 2,5-dimethoxy-tetrahydrofuran-3-carboxylateHCID 19106911—
ReactantTert-butyl 3-((5-amino-2-(5-cyanopyrazin-2-ylamino)pyridin-4-ylamino)methyl)piperidine-1-carboxylateHCID 66745373—
SolventAcetic AcidHCID 176—
Producttert-Butyl 3-((2-(5-cyanopyrazin-2-ylamino)-5-(3-(ethoxycarbonyl)-1H-pyrrol-1-yl)pyridin-4-ylamino)methyl)piperidine-1-carboxylateHCID 71022175—

Reaction Conditions

Temperature80 °C

Reaction Steps

tert-Butyl 3-((5-amino-2-(5-cyanopyrazin-2-ylamino)pyridin-4-ylamino)methyl)piperidine-1-carboxylate (163 mg, 0.384 mmol) (Synthesis 101-C) and ethyl 2,5-dimethoxy-tetrahydrofuran-3-carboxylate (196 mg, 0.96 mmol) were dissolved in acetic acid (4 mL) and the solution was stirred at 80° C. for 6.5 h. The reaction mixture was evaporated to dryness and the residue was used directly in the next step.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08058045B2
Source datasetuspto-grants-2011_11
ORD IDord-625ac2df9b314bfbbef2599a6caaa828
Source noteuspto-grants-2011_11