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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1293549Generated: October 29, 2026

6-Fluoroimidazo[1,2-a]pyridine-2-carboxylic acid → 5-Methylimidazo[1,2-a]pyridine-2-carboxylic acid

https://huagongshe.com/reaction/1293549

Reaction equation

Participants

RoleNameHCIDCharge
Reactant6-Fluoroimidazo[1,2-a]pyridine-2-carboxylic acidHCID 22397508—
Reactant5-Methyl-1,8a-dihydro-imidazo[1,2-a]pyridine-2-carboxylic acid ethyl esterHCID 69432298—
Product5-Methylimidazo[1,2-a]pyridine-2-carboxylic acidHCID 2062169—
Product6-Methylimidazo[1,2-a]pyridine-2-carboxylic acidHCID 2759863—
ProductEthyl 6-methylimidazo(1,2-a)pyridine-2-carboxylateHCID 12558372—

Reaction Steps

5-Methyl-imidazo[1,2-a]pyridine-2-carboxylic acid was prepared in a similar manner to 6-fluoro-imidazo[1,2-a]pyridine-2-carboxylic acid (see Example 25) using the commercially available 5-methyl-1,8a-dihydro-imidazo[1,2-a]pyridine-2-carboxylic acid ethyl ester. 6-Methyl-imidazo[1,2-a]pyridine-2-carboxylic acid and 6-methyl-imidazo[1,2-a]pyridine-2-carboxylic acid ethyl ester were prepared in a similar manner to 6-fluoro-imidazo[1,2-a]pyridine-2-carboxylic acid and its ester above.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07238811B2
Source datasetuspto-grants-2007_07
ORD IDord-234caf707cb74005af7652ee21c87dcc
Source noteuspto-grants-2007_07