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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 568030Generated: October 25, 2026

Sodium Hydroxide → 2-Amino-6-(trifluoromethyl)phenol

https://huagongshe.com/reaction/568030

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium HydroxideHCID 14798—
ReactantStannous ChlorideHCID 24479—
Reactant2-Nitro-6-(trifluoromethyl)phenolHCID 901834—
SolventEthanolHCID 702—
Product2-Amino-6-(trifluoromethyl)phenolHCID 2227274688%

Reaction Conditions

Temperature80 °C

Reaction Steps

A mixture of 6-trifluoromethyl-2-nitrophenol(1.84 g, 8.67 mmol) and tin (II) chloride (6.0 g, 26.2 mmol) in ethanol(150 mL) was heated at 80° C. under argon. After 2 hours, the starting material has disappeared and the solution was allowed to cool down and then poured into ice. The pH was made slightly basic (pH7-8), by addition of solid NaOH, before being extracted with ethyl acetate. The organic phase was washed with brine, dried over MgSO4 and filtered. The solvent was evaporated and chromatography of the resulting solid on silica gel (4% MeOH/CH2Cl2) gave the desired product(1.35 g, 88%). 1H NMR (CD3OD): δ 6.93 (d, 1H), 6.82 (t, 1H), 6.78 (d, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06180675B2
Source datasetuspto-grants-2001_01
ORD IDord-9d63162321954f84acefbe24996014d6
Source noteuspto-grants-2001_01