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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 460916Generated: October 30, 2026

p-Toluenesulfonic acid → HCID 20367252, compound

https://huagongshe.com/reaction/460916

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Toluenesulfonic acidHCID 6101—
Reactantbeta-Aminobeta-ethoxyacrylic acid ethyl esterHCID 278451—
Reactant{[2-(Trifluoromethyl)phenyl]methyl}hydrazineHCID 20367279—
SolventEthanolHCID 702—
ProductHCID 20367252HCID 20367252—

Reaction Steps

46 g of 2-trifluoromethylbenzylhydrazine were added dropwise, under nitrogen, to a solution of 38.2 g of β-amino-β-ethoxyacrylic acid ethyl ester and 2 g of p-toluenesulphonic acid in 250 ml of ethanol. After stirring overnight, the solvent was distilled off in vacuo and the residue was recrystallized from ethanol. The product was the compound identified above. Melting point: 184°, 22 g (34%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04061653
Source datasetuspto-grants-1977_12
ORD IDord-cb261811cccd43a5bcb681a1d4b56aa2
Source noteuspto-grants-1977_12