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CAS RN: 1291-32-3 | Product Number: Z0007

Zirconocene Dichloride


Purity: >97.0%(T)
Synonyms:
  • Bis(cyclopentadienyl)zirconium Dichloride
Documents:
5G
€36.00
4   ≥60 
25G
€115.00
6   ≥40 

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Product Number Z0007
Purity / Analysis Method >97.0%(T)
Molecular Formula / Molecular Weight C__1__0H__1__0Cl__2Zr = 292.31 
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 Moisture Sensitive
CAS RN 1291-32-3
PubChem Substance ID 87577925
SDBS (AIST Spectral DB) 5090
MDL Number

MFCD00003726

Specifications
Appearance White to Almost white powder to crystal
Purity(Chelometric Titration) min. 97.0 %
Purity(Argentometric Titration) min. 97.0 %
Properties (reference)
Melting Point 244 °C
Solubility (soluble in) Benzene, Chloroform
GHS
Pictogram Pictogram 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.
H290 : May be corrosive to metals.
Precautionary Statements P260 : Do not breathe dust or mist.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
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:
EC Number 215-066-8
RTECS# ZH7525000
Transport Information:
UN Number UN3261
Class 8
Packing Group III
HS Number 2931900090
Application
Zirconocene-Catalyzed Transamidation of Primary Amides with Amines

Typical procedure (entry 1):
A dried tube is charged with zirconocene dichloride (58.5 mg, 5 mol%), amide species (if it is solid), amine species (if it is solid), and the tube is sealed and purged with nitrogen gas. After which a solution of anhydrous cyclohexane or heptane (4 mL) containing acetamide (236 mg, 4 mmol) and benzylamine (424 micro-L, 4.8 mmol) is added to the reaction tube, and the tube is heated at 80 °C for 5 h. After being allowed to cool to room temperature, the reaction mixture is quenched using methanol (5 mL) and the solvent is removed under reduced pressure. Dichloromethane (50 mL) is added and the organic layer washed with water (20 mL). The organic layer is separated and the aqueous layer is extracted with dichloromethane (2 x 50 mL), the organics are combined and dried over MgSO4. The reaction mixture is filtered and concentrated under reduced pressure. The residue is purified by column chromatography (eluent: CH2Cl2 / MeOH = 10 / 1) to give N- benzylacetamide as an off-white solid (497 mg, 83% yield).

References


Application
for Stereoselective Glycosidation

References


PubMed Literature


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