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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 244417Generated: October 26, 2026

Ethylamine → HCID 59437250, compound

https://huagongshe.com/reaction/244417

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthylamineHCID 6341—
Reactant1,1'-CarbonyldiimidazoleHCID 68263—
Reactant2,2,2-trifluoro-1-(1H-indazol-5-yl)-1-(1-methyl-1H-indol-3-yl)ethanolHCID 59437224—
SolventPyridineHCID 1049—
ProductHCID 59437250HCID 5943725023.8%

Reaction Conditions

Temperature100 °C

Reaction Steps

To a solution of carbonyldiimidazole (0.282 mmol) in 1 mL pyridine was added ethylamine (0.282 mmol; 2.0 M in THF) dropwise. The mixture was stirred 5 hours and then 2,2,2-trifluoro-1-(1H-indazol-5-yl)-1-(1-methyl-1H-indol-3-yl)ethanol (0.189 mmol) was added. The mixture was heated at 100° C. for 16 hours in a sealed tube. Removal of the volatiles provided a residue which was purified by flash silica gel chromatography using 33% ethyl acetate in hexanes. The product-rich fractions were concentrated in vacuo to afford the title compound (0.045 mmol), m.p. 162° C.-164° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08658637B2
Source datasetuspto-grants-2014_02
ORD IDord-c049ed2aea564a1cb1a54dfb963b1160
Source noteuspto-grants-2014_02