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Diethylaminosulfur trifluoride

 

Product name: Diethylaminosulfur trifluoride 

IUPAC name: N, N-Diethylaminosulfur trifluoride 

Other name: Diethyl(trifluorosulfido)amine

Abbreviations: DAST

Molecular formula: C4H10F3NS

MW: 161.19

Purity: 95%

CAS NO.: 38078-09-0
 

Properties

Appearance: Colorless oil

Density: 1.22g/mL at 25°C (lit.)

Boiling point: 30-32°C at 3 mmHg (lit.)

Flash point: 75°F

Refractive index: 1.41-1.416

Water solubility: decomposes

Applications:  

• Fluorinating agent: reaction with alcohols and carbonyl compounds,
• Review on nucleophilic fluorination. 
• Catalyst for Friedel-Crafts allylation using tertiary cyclopropyl silyl ethers and the rearrangement of homoallylic alcohols to unsaturated aldehydes. 
• Early introduction of a fluoromethyl group stabilizes the epoxide during further manipulations in the synthesis of 2,6-fluoro-epothilone. 
• Fluorinating agent for a variety of compounds, including thioethers, alkenols, and cyanohydrins. 
• Reagent for gem difluorination of ketopipecolinic acids. 

Capacity: 8T / year, regular stock products, all year round

Package: 1kg, 5kg, 25kg

 

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