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Published TCIMAIL newest issue No.197
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CAS RN: 67719-69-1 | Product Number: C1411
Tebbe Reagent (ca. 0.5mol/L in Toluene)
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Purity:
Synonyms:
- μ-Chloro-μ-methylene[bis(cyclopentadienyl)titanium]dimethylaluminum (ca. 0.5mol/L in Toluene)
- μ-Chlorobis(η5-cyclopentadienyl)(dimethylaluminum)-μ-methylenetitanium (ca. 0.5mol/L in Toluene)
Product Documents:
| Size | Unit Price | Belgium | Japan* | Quantity |
|---|---|---|---|---|
| 25ML |
€218.00
|
2 | 33 |
|
*Stock available in Belgium will be delivered in 1 to 3 days
*Stock available in Japan will be delivered in 1 to 2 weeks (excludes regulated items and dry ice shipments).
Supplemental Product Information:
This product cannot be shipped to Russia and Turkey.
| Product Number | C1411 |
| Molecular Formula / Molecular Weight | C__1__3H__1__8AlClTi = 284.59 |
| Physical State (20 deg.C) | Liquid |
| Storage Temperature | Refrigerated (0-10°C) |
| Store Under Inert Gas | Store under inert gas |
| Condition to Avoid | Air Sensitive,Heat Sensitive |
| Packaging and Container | 25ML-Vial (View image) |
| CAS RN | 67719-69-1 |
| Merck Index (14) | 9091 |
| MDL Number | MFCD00151575 |
Specifications
| Appearance | Dark red clear liquid to cloudy liquid |
| Concentration(Argentometric titration) | 22.0 to 27.0 w/w% |
Properties (reference)
| Flash point | 1 °C |
GHS
| Pictogram |
|
| Signal Word | Danger |
| Hazard Statements | H312 + H332 : Harmful in contact with skin or if inhaled. H314 : Causes severe skin burns and eye damage. H370 : Causes damage to organs. H372 : Causes damage to organs through prolonged or repeated exposure. H335 : May cause respiratory irritation. H361d : Suspected of damaging the unborn child. H336 : May cause drowsiness or dizziness. H304 : May be fatal if swallowed and enters airways. H225 : Highly flammable liquid and vapour. |
| Precautionary Statements | P260 : Do not breathe mist or vapours. P210 : Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P201 : Obtain special instructions before use. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish. P308 + P311 : IF exposed or concerned: Call a POISON CENTER/doctor. P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P301 + P310 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. P301 + P330 + P331 : IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor. P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor. |
Related Laws:
Transport Information:
| UN Number | UN2924 |
| Class | 3 / 8 |
| Packing Group | II |
| HS Number | 2931900090 |
Application
Methylenation Reagent
Typical Proce: To ester (224 mg, 0.85 mmol) in dry THF (2.5 mL) at 0 ℃ is added Tebbe reagent in toluene (0.5 M, 1.7mL). The mixture is allowed to warm to room temperature and, after 30 min, Et2O (10 mL) is added, followed by the slow addition of aqueous NaOH (0.1 M) while stirring the mixture. After gas evolution cease, the mixture is dried (Na2SO4) and filtered through Celite. Evaporation and chromatography give enol ether(175 mg, 79%).
Reference
Application
Ring-Closing Metathesis Using Tebbe Reagent
Reference
- Olefin Metathesis in Cyclic Ether Formation. Direct Conversion of Olefinic Esters to Cyclic Enol Ethers with
Tebbe-Type Reagents
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