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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2394930Generated: October 30, 2026

Ethylamine → N-Ethyl-1-methyl-1H-pyrazole-4-carboxamide

https://huagongshe.com/reaction/2394930

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthylamineHCID 6341—
Reactant1-Methyl-1H-pyrazole-4-carboxylic acidHCID 643160—
SolventWaterHCID 962—
ProductN-Ethyl-1-methyl-1H-pyrazole-4-carboxamideHCID 1947472254.7%

Reaction Steps

N-Ethyl-1-methyl-1H-pyrazole-4-carboxamide was prepared from 1-methyl-1H-pyrazole-4-carboxylic acid and 70% ethylamine in water using the methods of steps a and b of Example 248. The product was purified by flash chromatography with 10% ethyl acetate-hexane and recovered as a white solid in 54.7% yield. m.p. 103°-106 ° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05811411
Source datasetuspto-grants-1998_09
ORD IDord-8389d8a3d45346428ff4ba74c716f914
Source noteuspto-grants-1998_09