Ytterbium(III) trifluoromethanesulfonate hydrate

• Catalog No.: 40314
• M. F.: C3F9O9S3Yb
• M. W.: 620.2613288
• Purity: 98%

SYNONYMS

• Title: 三氟甲烷磺酸镱(III)水合物
• IUPAC name: ytterbium(3+) ion tritrifluoromethanesulfonate
• IUPAC Traditional name: ytterbium(3+) ion tritriflate
• Synonyms: Ytterbium(III) triflate

DATABASE IDS

• MDL Number: MFCD03703499

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
• TSCA Listed: 否

REFERENCES

• For a review of developments in lanthanide mediated organic synthesis, see: J. Chem. Soc., Perkin 1, 2727 (2001).
• Water-tolerant and potentially reusable Lewis acid catalyst in a wide variety of reactions. The use of rare earth metal triflates in organic synthesis has been reviewed by S. Kobayashi: Synlett, 689 (1994); Chem. Rev., 102, 2227 (2002). Applications include:
• Aldol reactions of silyl enol ethers in aqueous media: J. Org. Chem., 59, 3590 (1994); Bull. Chem. Soc. Jpn., 67, 2342 (1994); or in organic solvents: Synthesis, 371 (1993). Friedel-Crafts acylations: J. Chem. Soc., Chem. Commun., 1157 (1993). Allylation of aldehydes: Bull. Chem. Soc. Jpn., 67, 2342 (1994). Mannich reactions: J. Chem. Soc., Chem. Commun., 1379 (1995). Hetero Diels-Alder reactions: J. Chem. Soc., Chem. Commun., 1195 (1995). Catalyzes Michael additions to methyl vinyl ketone in water. The reaction rate is dramatically increased (up to 20-fold) by the addition of a catalytic amount of N,N,N',N'-Tetramethylethylenediamine, A12536: J. Org. Chem., 71, 352 (2006).