Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1624744Generated: October 31, 2026

Triethylamine → HCID 59436182, compound

https://huagongshe.com/reaction/1624744

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
Reactant2-HydrazinopyridineHCID 78645—
Reactant3-[3-(dimethylamino)prop-2-enoyl]-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-oneHCID 66710802—
SolventEthanolHCID 702—
SolventWaterHCID 962—
ProductHCID 59436182HCID 5943618251%

Reaction Conditions

Temperature100 °C

Reaction Steps

To a solution of 3-[3-(dimethylamino)prop-2-enoyl]-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one (800 mg, 2.4 mmol) in ethanol (20 mL) were added 2-hydrazinopyridine (388 mg, 3.6 mmol) and Et3N (0.66 mL, 4.7 mmol). The mixture was stirred at 100° C. for 5 h. The mixture was diluted with water, extracted with AcOEt, washed with brine, dried over Na2SO4, concentrated in vacuo, purified by HPLC and recrystallized with AcOEt/hexane to yield the title compound as a pale yellow solid (460 mg, 51%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08778944B2
Source datasetuspto-grants-2014_07
ORD IDord-e73d6cbc62f04771adaff9a7c39bd94e
Source noteuspto-grants-2014_07