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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2240179Generated: October 31, 2026

Iodoethane → 1,3-diethyl-1H-indazole-6-carboxylic acid methoxy-methyl-amide

https://huagongshe.com/reaction/2240179

Reaction equation

Participants

RoleNameHCIDCharge
ReactantIodoethaneHCID 6340—
ReactantEthyl AcetateHCID 8857—
ReactantPotassium tert-butoxideHCID 23665647—
ReactantHCID 178438012HCID 178438012—
SolventTetrahydrofuranHCID 8028—
Product1,3-diethyl-1H-indazole-6-carboxylic acid methoxy-methyl-amideHCID 59810833111.2%

Reaction Steps

A mixture of potassium tert-butoxide (0.144 g, 1.28 mmol) and iodoethane (0.20 g, 1.28 mmol) in THF (1 mL) was added to a solution of 3-ethyl-1H-indazole-6-carboxylic acid methoxy-methyl-amide (0.20 g, 0.86 mmol) in THF (3 mL) and the resulting mixture stirred at room temperature for 16 hours. Ethyl acetate (30 mL) was then added and the product was extracted with 0.5 N HCl (10 mL). The aqueous layer was then re-extracted with ethyl acetate (30 mL). The organics were combined, dried, filtered and concentrated to afford 250 mg of 1,3-diethyl-1H-indazole-6-carboxylic acid methoxy-methyl-amide that was used without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07723348B2
Source datasetuspto-grants-2010_05
ORD IDord-8cf9140a54db435b80cce6c0da88dc9f
Source noteuspto-grants-2010_05