380237

Tebbe-Reagens -Lösung

0.5 M in toluene

• Synonym(e): Bis-(cyclopentadienyl)-μ-chlor­-(dimethylaluminum)-μ-methylentitan
• Empirische Formel (Hill-System): C₁₃H₁₈AlClTi
• CAS-Nummer: 67719-69-1
• Molekulargewicht: 284.58
• MDL-Nummer: MFCD00151575
• UNSPSC-Code: 12352101
• PubChem Substanz-ID: 24863730
• NACRES: NA.22

Eigenschaften

• Form: liquid
• Eignung der Reaktion: reaction type: C-C Bond Formation
• Konzentration: 0.5 M in toluene
• Dichte: 0.927 g/mL at 25 °C
• SMILES String: [CH]1[CH][CH][CH][CH]1.[CH]2[CH][CH][CH][CH]2.C[Al](C)C[Ti]Cl
• InChI: 1S/2C5H5.2CH3.CH2.Al.ClH.Ti/c2*1-2-4-5-3-1;;;;;;/h2*1-5H;2*1H3;1H2;;1H;/q;;;;;;;+1/p-1
• InChIKey: QEJAQNUJXFLWSP-UHFFFAOYSA-M

Beschreibung

Allgemeine Beschreibung

Tebbe reagent is a Lewis acid stabilized organometallic compound, which is used to transform carbonyl groups into β-substituted methylenes. It also reacts with a wide range of carbonyl compounds, including esters, amides, and lactones to yield corresponding olefins.

Anwendung

A versatile methylenation reagent for the conversion of ketones and aldehydes to olefins, it offers facile reaction with hindered ketones and allows the conversion of esters to vinyl ethers.

Verpackung

The 25 mL Sure/Seal^™ bottle is recommended as a single-use bottle. Repeated punctures will likely result in decreased performance of product.

Rechtliche Hinweise

Sure/Seal is a trademark of Sigma-Aldrich Co. LLC

Sicherheitshinweise

• Piktogramme: GHS02,GHS08,GHS05,GHS07
• Signalwort: Danger
• H-Sätze: H225,H304,H314,H336,H361d,H373,H412
• P-Sätze: P210 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Gefahreneinstufungen: Aquatic Chronic 3 - Asp. Tox. 1 - Eye Dam. 1 - Flam. Liq. 2 - Repr. 2 - Skin Corr. 1B - STOT RE 2 - STOT SE 3
• Zielorgane: Central nervous system, Respiratory system
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 3
• Flammpunkt (°F): 39.2 °F - closed cup
• Flammpunkt (°C): 4 °C - closed cup
• Persönliche Schutzausrüstung: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter