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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 50821Generated: October 26, 2026

Carbon Dioxide → 5-((tert-Butoxycarbonyl)amino)-2-fluoroisonicotinic acid

https://huagongshe.com/reaction/50821

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCarbon DioxideHCID 280—
Reactanttert-Butyl (6-fluoropyridin-3-yl)carbamateHCID 11031143—
Product5-((tert-Butoxycarbonyl)amino)-2-fluoroisonicotinic acidHCID 1061106525%

Reaction Steps

Reaction of 5-[N-(tert-butoxycarbonyl)amino]-2-fluoropyridine (5.3 g, 25 mmol) sequentially with n-Butyl and CO2 as described in the following example gives 5-(N-(tert-butoxycarbonyl)amino]-2-fluoropyridine-4-carboxylic acid (1.60 g, 25%). 1H NMR (DMSO) δ 9.83 (1H, brs) 8.84 (1H, s), 7.49 (1H, d, J=2.9 Hz), 1.47 (9H, s).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06713484B2
Source datasetuspto-grants-2004_03
ORD IDord-210111a3c51b405a8f165469c378029b
Source noteuspto-grants-2004_03