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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2270128Generated: October 30, 2026

1-Ethyl-1H-pyrazol-5-amine → HCID 9902007, compound

https://huagongshe.com/reaction/2270128

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Ethyl-1H-pyrazol-5-amineHCID 337310—
ReactantHCID 18423641HCID 18423641—
ProductHCID 9902007HCID 990200716.7%

Reaction Steps

Starting from 7-methoxy-2-methoxymethylbenzofuran-4-carboxylic acid (0.15 g) and 2-ethyl-2H-pyrazol-3-ylamine (85 mg). Purification by column chromatography on silica eluting with 50% ethyl acetate in heptane increasing to ethyl acetate afforded the title compound as a yellow solid (35 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06331556B2
Source datasetuspto-grants-2001_12
ORD IDord-7270fedb0d0c43cd9fbbe96a0479b1b2
Source noteuspto-grants-2001_12