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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2244366Generated: October 29, 2026

Methyl iodide → HCID 68701854, compound

https://huagongshe.com/reaction/2244366

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl iodideHCID 6328—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 178469277HCID 178469277—
SolventMethanolHCID 887—
ProductHCID 68701854HCID 6870185431%

Reaction Steps

To a solution of 100 mg of 3-methyl-5-methylamino-1H-pyrazole-4-carboxylic acid ethyl ester (0.55 mmol) in methanol (5 ml) were added 52 mg of sodium hydroxide (1.3 mmol) and 77 mg of iodomethane (0.54 mmol) and the mixture was stirred at RT over night. The reaction mixture was then concentrated in vacuo at low temperature and 33 mg (31%) of 1,3-dimethyl-5-methylamino-1H-pyrazole-4-carboxylic acid ethyl ester were isolated from the remaining solid by HPLC (reversed phase, MeCN/water 20:80 to 50:50). MS (ISP) 198.2 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07678818B2
Source datasetuspto-grants-2010_03
ORD IDord-6bf639905d1641a797edaacb0a7443ef
Source noteuspto-grants-2010_03