425702

Praseodym(III)-trifluormethansulfonat

98%

• Synonym(e): Praseodym(III)-triflat
• Lineare Formel: (CF₃SO₃)₃Pr
• CAS-Nummer: 52093-27-3
• Molekulargewicht: 588.12
• NACRES: NA.22
• PubChem Substance ID: 24866660
• UNSPSC Code: 12352300
• MDL number: MFCD00192417

Eigenschaften

• assay: 98%
• reaction suitability: core: praseodymium, reagent type: catalyst; reaction type: Ring-Opening Polymerization
• SMILES string: [Pr+3].[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F
• InChI: 1S/3CHF3O3S.Pr/c3*2-1(3,4)8(5,6)7;/h3*(H,5,6,7);/q;;;+3/p-3
• InChI key: ROUBZIWQWFQCHU-UHFFFAOYSA-K

Beschreibung

General description

Praseodymium (III) trifluoromethanesulfonate (Praseodymium(III) triflate) is a water-tolerant Lewis acid. It is an efficient catalyst employed for the synthesis of α-aminonitrile, via condensation of aldehydes, amines and trimethylsilyl cyanide.

Application

Catalyst for:

• Asymmetric α-amination reactions
• Polymerization reactions
• Regioselective reductive ring opening reactions
• Intermolecular hydroamination reactions
• Paal-Knorr condensation
• Friedel-Crafts alkenylation
• Friedel-Crafts acylation
• Biginelli reactions

A water-tolerant Lewis acid used in the Aldol reaction of silyl enol ethers with aldehydes.

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• Gefahrencodes: H315,H319,H335
• Sicherheitshinweise: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklasse: 11 - Combustible Solids
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• PSA (Persönliche Schutzausrüstung): dust mask type N95 (US), Eyeshields, Gloves