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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2187366Generated: October 29, 2026

Methyl 5-(1,8-naphthyridin-2-yl)pentanoate → Methyl 5-(5,6,7,8-tetrahydro-1,8-naphthyridin-2-yl)pentanoate

https://huagongshe.com/reaction/2187366

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl 5-(1,8-naphthyridin-2-yl)pentanoateHCID 11447926—
ReactantHCID 178418361HCID 178418361—
CatalystHCID 178418390HCID 178418390—
SolventEthanolHCID 702—
ProductMethyl 5-(5,6,7,8-tetrahydro-1,8-naphthyridin-2-yl)pentanoateHCID 11265157—

Reaction Steps

A mixture of 1-4 (630 mg, 2.58 mmol) and 10% Pd/carbon (95 mg) in EtOH (25 mL) was stirred under a balloon of hydrogen for 72 h. Following filtration and evaporative removal of the solvent, the residue was chromatographed (silica gel, 70% ethyl acetate/hexanes) to give 1-5 as a colorless oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06410526B1
Source datasetuspto-grants-2002_06
ORD IDord-d5dcc19c47644c50a8c4bbf9634b2722
Source noteuspto-grants-2002_06