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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 913558Generated: October 30, 2026

Hydrochloric Acid → 4-Amino-3-methyl-2-(trifluoromethyl)benzonitrile

https://huagongshe.com/reaction/913558

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantEthyl AcetateHCID 8857—
ReactantSodium HydroxideHCID 14798—
ReactantN-(4-cyano-2-methyl-3-(trifluoromethyl)phenyl)pivalamideHCID 21875020—
SolventEthanolHCID 702—
Product4-Amino-3-methyl-2-(trifluoromethyl)benzonitrileHCID 21875210—

Reaction Conditions

Temperature70 °C

Reaction Steps

The crude N-[4-cyano-2-methyl-3-(trifluoromethyl)phenyl]-2,2-dimethylpropanamide from Example 191B was dissolved in EtOH (5 mL) and conc. HCl (5 mL). The resulting mixture was heated to 70° C. for 20 min. The cooled reaction's pH was adjusted to ca. 8 with 6 N NaOH. EtOAc (20 mL) was added and the isolated organic portion was dried (Na2SO4), filtered, and concentrated to afford the title compound: MS (ES) m/z 201 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08026262B2
Source datasetuspto-grants-2011_09
ORD IDord-ce1ad950012b47a6afc176d648b532bc
Source noteuspto-grants-2011_09