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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2089848Generated: October 31, 2026

Nitric Acid → HCID 178466197, compound

https://huagongshe.com/reaction/2089848

Reaction equation

Participants

RoleNameHCIDCharge
ReactantNitric AcidHCID 944—
ReactantPhosphoric AcidHCID 1004—
Reactanto-PhenetidineHCID 7203—
ReactantAcetylacetoneHCID 31261—
ReactantPotassium AcetateHCID 517044—
ReactantSodium NitriteHCID 23668193—
SolventEthanolHCID 702—
SolventWaterHCID 962—
ProductHCID 178466197HCID 17846619755.2%

Reaction Conditions

Temperature0 °C

Reaction Steps

2-Ethoxyaniline (2.00 g, 14.60 mmol) was added to a solution of 12 mL of phosphoric acid (85%) and 8 mL of nitric acid (65%) at −6° C., followed by sodium nitrite (1.21 g, 17.52 mmol) in 10 mL of water dropwise at 0° C., and the mixture was stirred at 0° C. for 30 min. Then, to the reaction mixture was added dropwise a solution of potassium acetate (4.29 g, 43.80 mmol) and acetylacetone (1.90 g, 18.98 mmol) in 60 mL of ethanol and 25 mL of water. The mixture was stirred at room temperature overnight; filtered, washed with water, EtOH/H2O (1/1) and hexane, and dried to give the title compound (2.00 g, 55% yield): 1H NMR (400 MHz, CDCl3): δ ppm 1.57 (3H, t, J=7.2 Hz), 2.53 (3H, s), 2.63 (3H, s), 4.20 (2H, t, J=7.2 Hz), 7.03-7.07 (1H, m), 7.14-7.18 (1H, m), 7.74-7.84 (2H, m), 14.86 (1H, s).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08435995B2
Source datasetuspto-grants-2013_05
ORD IDord-40fe0c0fda0e4276b2c524c45fe94bc7
Source noteuspto-grants-2013_05