Scandium(III) trifluoromethanesulfonate

• Catalog No.: 40566
• CAS Number: 144026-79-9
• M. F.: C3F9O9S3Sc
• M. W.: 492.1632388
• Purity: 98%

SYNONYMS

• Title: 三氟甲磺酸钪(III)
• IUPAC name: scandium(3+) ion tritrifluoromethanesulfonate
• IUPAC Traditional name: scandium(3+) ion tritriflate
• Synonyms: Scandium(III) triflate

DATABASE IDS

• MDL Number: MFCD00798539
• CAS Number: 144026-79-9

PROPERTIES

• Purity: 98%
• Apperance: Powder
• GHS Hazard statements: H315-H319-H335
• European Hazard Symbols: Irritant (Xi)
• GHS Precautionary statements: P261-P305+P351+P338-P302+P352-P321-P405-P501A
• Risk Statements: 36/37/38
• Safety Statements: 26-36
• Storage Warning: Hygroscopic
• TSCA Listed: 否

REFERENCES

• Catalyst for a one-pot synthesis of diaryl sulfoxides from arenes and thionyl chloride: Synlett, 784 (2002). Catalyst for methoxymethylation of alcohols with Dimethoxymethane, A12055: Tetrahedron Lett., 44, 6051 (2003). Selective addition of allyltrimethylsilane to aldehydes can be accomplished in the presence of a ketone: Synthesis, 1822 (1998).
• Water-tolerant and potentially reusable, highly active Lewis acid catalyst. Applications include:
• O-Acylation of alcohols with acetic anhydride: J. Am. Chem. Soc., 117, 4413 (1995); Org. Synth., 77, 45 (1999), or acetic acid: Chem. Commun., 351 (1997). Aldol and Michael reactions of silyl enol ethers: Synlett, 472 (1993). Friedel-Crafts acylations: Synlett, 545 (1994); (in combination with LiClO₄): Chem. Commun., 183 (1996). Fries rearrangement: J. Chem. Soc., Chem. Commun., 1527 (1995). Hetero Diels-Alder reactions: J. Chem. Soc., Chem. Commun., 1195 (1995).
• Catalyzes the Paal-Knorr synthesis of dialkylpyrroles from 1,4-diones under extremely mild, solvent-free conditions: Tetrahedron Lett., 47, 5383 (2006).
• For reviews of applications, see: Eur. J. Org. Chem., 15 (1999); Synlett, 2023 (1999).