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31942 Aldrich

(Diethylamino)sulfur trifluoride

technical, packed in PTFE bottles, ≥90% (NMR)

Synonym: DAST, Diethylaminosulfur trifluoride

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Properties

Related Categories Chemical Synthesis, Fluorination, Fluorination Reagents, Synthetic Reagents
InChI Key   CSJLBAMHHLJAAS-UHFFFAOYSA-N
grade   technical
assay   ≥90% (NMR)
quality   packed in PTFE bottles
bp   30-32 °C/3 mmHg(lit.)
density   1.22 g/mL at 25 °C(lit.)
storage temp.   2-8°C

Description

Application

• Fluorinating agent: reaction with alcohols and carbonyl compounds, Review
• 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 26-fluoro-epothilone.
• Fluorinating agent for a variety of compounds, including thioethers, alkenols, and cyanohydrins.
• Reagent for gem difluorination of ketopipecolinic acids.

Price and Availability

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Supplemental Hazard Statements 
Reacts violently with water.
RIDADR 
UN3225 - class 4.1 - Self-reactive liquid type D (DIETHYLAMINOSULFUR TRIFLUORIDE), HI: all
WGK Germany 
3
Flash Point(F) 
73.4 °F
Flash Point(C) 
23 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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