Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1500289Generated: November 2, 2026

Trifluoroacetic acid → 2-(5-(4-((1R,2S)-2-amino-3-fluoro-1-hydroxypropyl)phenyl)isoxazol-3-yl)acetonitrile

https://huagongshe.com/reaction/1500289

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant(4S,5R)-tert-butyl 5-(4-(3-(cyanomethyl)isoxazol-5-yl)phenyl)-4-(fluoromethyl)-2,2-dimethyloxazolidine-3-carboxylateHCID 86713175—
SolventTolueneHCID 1140—
SolventDichloromethaneHCID 6344—
Product2-(5-(4-((1R,2S)-2-amino-3-fluoro-1-hydroxypropyl)phenyl)isoxazol-3-yl)acetonitrileHCID 86713176—

Reaction Steps

The product of step 1 of Example 12 (50 mg, 0.12 mmol) in CH2Cl2 (2 mL) at 5° C. is treated with trifluoroacetic acid (0.5 mL), stirred 30 minutes at room temperature, diluted with toluene, and concentrated to give the title compound, which is carried on to the next step without purification m/z (Cl) 276 [M+H].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09206126B2
Source datasetuspto-grants-2015_12
ORD IDord-c52ff02eea9b4601800a495da71c1689
Source noteuspto-grants-2015_12