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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1845699Generated: November 1, 2026

Chlorosuccinimide → HCID 57826667, compound

https://huagongshe.com/reaction/1845699

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChlorosuccinimideHCID 31398—
Reactantmethyl 4-(1-ethyl-1H-pyrazol-5-yl)-5-methyl-2-furancarboxylateHCID 57826453—
SolventTetrahydrofuranHCID 8028—
ProductHCID 57826667HCID 5782666789%

Reaction Conditions

Temperature70 °C

Reaction Steps

A mixture of methyl 4-(1-ethyl-1H-pyrazol-5-yl)-5-methyl-2-furancarboxylate (950 mg, 4.06 mmol) and NCS (650 mg, 4.87 mmol) in THF (10 mL) was heated at 70° C. in a sealed tube. After 2 h, the reaction mixture was concentrated and purified via column chromatography (silica, 10-20% EtOAc/Hexane) affording the title compound (970 mg, 89%) as a white solid: LC-MS (ES) m/z 269 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08946278B2
Source datasetuspto-grants-2015_02
ORD IDord-d04da027cf2441999a6e8a5167e5160c
Source noteuspto-grants-2015_02