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405329 Aldrich

Ytterbium(III) trifluoromethanesulfonate hydrate

Yb 25-28 % (approx.)

Synonym: Trifluoromethanesulfonic acid ytterbium salt, Yb(OTf)3, Ytterbium(III) triflate

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Properties

Related Categories Catalysis and Inorganic Chemistry, Chemical Synthesis, Ytterbium More...
InChI Key   BUJKNFNMGRYZBV-UHFFFAOYSA-K
composition   Degree of hydration, 1-2
  Yb, 25-28% (approx.)

Description

Packaging

5, 25 g in glass bottle

Application

Ytterbium(III) trifluoromethanesulfonate hydrate (Yb(OTf)3) was employed as Lewis acid catalyst for the following studies:
• Synthesis of the dihydropyrimidine (DHPM) derivative monastrol, by Biginelli cyclocondensation.
• Cross-aldol reaction between ketone and aldehyde.
• Synthesis of β-keto enol ethers.
• Synthesis of deoxypenostatin A in a novel, stereoselective intramolecular Diels-Alder reaction.

General description

Layer-by-layer assembly of 4-aminothiophenol and ytterbium(III)trifluoromethanesulfonate hydrate film has been investigated by atomic force microscopy (AFM). Bis(oxazolinyl)-pyridine-scandium(III) triflate complexes have been reported to catalyze the enantioselective Friedel-Crafts addition of various indoles.

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.




Cross-Coupling Guide
Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
UN 3261 8 / PGII
WGK Germany 
3
Protocols & Articles

Articles

Friedel–Crafts Acylation

The Friedel–Crafts acylation is the reaction of an arene with acyl chlorides or anhydrides using a strong Lewis acid catalyst. This reaction proceeds via electrophilic aromatic substitution to form m...
Keywords: Acylations, Catalysis, Electrophilic aromatic substitution, Microwave synthesis, Substitutions

Peer-Reviewed Papers
15

References

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