Ytterbium(III) trifluoromethanesulfonate
Ytterbium(III) trifluoromethanesulfonate (CAS 54761-04-5) is a highly pure (99.99%) ytterbium salt with the linear formula (CF3SO3)3Yb. This water-tolerant Lewis acid catalyst is instrumental in a variety of organic syntheses. Its applications span stereocontrolled radical and nucleophilic additions, asymmetric synthesis of β-lactams, and intramolecular Diels-Alder reactions, making it a key reagent in complex chemical transformations.
- IUPAC
- Trifluoromethanesulfonic acid ytterbium(III) salt,Yb(OTf)3,Yb(TFA)3,Ytterbium(III) triflate
- Synonyms
- Ytterbium(III) triflateYtterbium(III) triflateYtterbium(III) trifluoromethanesulfonateYb(OTf)3Ytterbium triflate
Catalysis in Organic Synthesis
Serves as a versatile Lewis acid catalyst for numerous organic reactions, including stereocontrolled radical and nucleophilic additions, and allylborations.
Synthesis of β-Lactams
Utilised in one-pot syntheses of β-lactams and in asymmetric synthesis of substituted β-lactams when paired with silylated chinchona alkaloids.
Stereoselective Reactions
Catalyses stereoselective, intramolecular Diels-Alder reactions, notably in the synthesis of deoxypenostatin A, and aldehyde-ene reactions.
| Molecular weight | 620.25 |
|---|---|
| Linear formula | (CF3SO3)3Yb |
| Assay | 99.99% |
| Application | A water-tolerant Lewis acid catalyst recently used in one-pot syntheses of β-lactams,2 and in stereocontrolled radical3 and nucleophilic1 addition reactions. Catalyzes the synthesis of deoxypenostatin A in a novel, stereoselective, intramolecular Diels-Alder reaction.4Lewis acid catalyst used with a silylated chinchona alkaloid in an asymmetric synthesis of substituted β-lactams from an acid chloride and aryl imine.5 Also used to catalyze an aldehyde-ene reaction in a synthesis of the guaiane skeleton.6An important Lewis acid catalyst for a variety of synthetic reactions, including allylborations.7,8 |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Ytterbium(III) trifluoromethanesulfonate used for?
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Ytterbium(III) trifluoromethanesulfonate is primarily used as a water-tolerant Lewis acid catalyst in various organic syntheses, including the preparation of β-lactams, stereoselective additions, and intramolecular Diels-Alder reactions.
What are the CAS number and chemical formula?
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The CAS number is 54761-04-5, and the linear formula is (CF3SO3)3Yb.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ytterbium(III) trifluoromethanesulfonate with an assay of 99.99%. TSS does not represent this product as USP, BP, or EP grade; it is supplied for research and laboratory use.
How should Ytterbium(III) trifluoromethanesulfonate be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. Refer to the Safety Data Sheet for comprehensive handling information.
Is this chemical suitable for international export?
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Yes, Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals, including Ytterbium(III) trifluoromethanesulfonate.
How can I request a sample or quote?
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Please contact Tech Serve Solutions directly via our website or phone to request a sample or a personalised quote for Ytterbium(III) trifluoromethanesulfonate.
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