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Published TCIMAIL newest issue No.197
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CAS RN: 37342-97-5 | Product Number: Z0010
Zirconocene Chloride Hydride
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Purity: >96.0%(T)
Synonyms:
- Bis(cyclopentadienyl)zirconium Chloride Hydride
- Schwartz's Reagent
Product Documents:
| Size | Unit Price | Belgium | Japan* | Quantity |
|---|---|---|---|---|
| 1G |
£23.00
|
5 | ≥80 |
|
| 5G |
£72.00
|
7 | ≥100 |
|
| 25G |
£335.00
|
1 | ≥60 |
|
*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).
| Product Number | Z0010 |
| Purity / Analysis Method | >96.0%(T) |
| Molecular Formula / Molecular Weight | C__1__0H__1__1ClZr = 257.87 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature | Room Temperature (Recommended in a cool and dark place, <15°C) |
| Store Under Inert Gas | Store under inert gas |
| Condition to Avoid | Light Sensitive,Air Sensitive,Moisture Sensitive |
| Packaging and Container | 1G-Glass Bottle with Plastic Insert (View image) |
| CAS RN | 37342-97-5 |
| PubChem Substance ID | 87577928 |
| Merck Index (14) | 8396 |
| MDL Number | MFCD02089401 |
Specifications
| Appearance | White to Light yellow to Light orange powder to crystal |
| Purity(Chelometric Titration) | min. 96.0 % |
Properties (reference)
GHS
| Pictogram |
|
| Signal Word | Danger |
| Hazard Statements | H302 + H312 + H332 : Harmful if swallowed, in contact with skin or if inhaled. H314 : Causes severe skin burns and eye damage. H261 : In contact with water releases flammable gases. |
| Precautionary Statements | P260 : Do not breathe dust. P231 + P232 : Handle and store contents under inert gas. Protect from moisture. 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. P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. 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:
| EC Number | 253-479-5 |
Transport Information:
| UN Number | UN3131 |
| Class | 4.3 / 8 |
| Packing Group | II |
| HS Number | 2931900090 |
Application
TCI Practical Example: Reduction of Amide Group Using Zirconocene Chloride Hydride
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Used Chemicals
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Procedure
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Zirconocene chloride hydride (0.43 g, 1.68 mmol) was added to a reaction vessel and dried in vacuo for 3 hours. Then, a THF solution (4.1 mL) of N,N-diethylnicotinamide (200 mg, 1.12 mmol) was added under argon atmosphere and the reaction mixture was stirred at room temperature for 30 minutes. The mixture was purified by chromatography on silica gel (hexane:ethyl acetate = 2:1) to give nicotinaldehyde as a brown oil (80.0 mg, 0.07 mmol, 60% yield).
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Experimenter’s Comments
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The reaction solution was monitored by TLC (hexane:ethyl acetate = 1:1) and UPLC.
The reaction vessel was dried up before use.
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Analytical Data
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Nicotinaldehyde
1H NMR (400 MHz, DNSO-d6); δ 10.09 (s, 1H), 9.07 (d, J = 1.4 Hz, 1H), 8.84 (dd, J = 5.0 Hz, 1.8 Hz, 1H), 8.23 (dt, J = 7.8 Hz, 2.1 Hz, 1H), 7.62 (dd, J = 8.5 Hz, 2.1 Hz, 1H).
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Lead Reference
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- Mild and Selective Hydrozirconation of Amides to Aldehydes Using Cp2Zr(H)Cl: Scope and Mechanistic Insight
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