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CAS RN: 2055540-61-7 | Product Number: U0141

UltraCat (contains 5% Nitromethane at maximum)


Purity: >90.0%(HPLC)
Synonyms:
  • Bis[1-(2,6-diethylphenyl)-3,5,5-trimethyl-3-phenylpyrrolidin-2-ylidene](3-phenyl-1H-inden-1-ylidene)ruthenium Chloride (contains 5% Nitromethane at maximum)
Documents:
100MG
€89.00
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Product Number U0141
Purity / Analysis Method >90.0%(HPLC)
Molecular Formula / Molecular Weight C__6__1H__6__8Cl__2N__2Ru = 1001.20  
Physical State (20 deg.C) Solid
Storage Temperature 0-10°C
Store Under Inert Gas Store under inert gas
Condition to Avoid Air Sensitive,Heat Sensitive
CAS RN 2055540-61-7
Reaxys Registry Number 32783320
MDL Number

MFCD31747049

Specifications
Appearance Orange to Brown powder to crystal
Purity(HPLC) min. 90.0 area%
Properties (reference)
GHS
Pictogram Pictogram
Signal Word Warning
Hazard Statements H371 : May cause damage to organs.
H351 : Suspected of causing cancer.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P260 : Do not breathe dust/ fume/ gas/ mist/ vapours/ spray.
P202 : Do not handle until all safety precautions have been read and understood.
P201 : Obtain special instructions before use.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P308 + P311 : IF exposed or concerned: Call a POISON CENTER/doctor.
Related Laws:
Transport Information:
HS Number 2843909000
Application
TCI Practical Example: Olefin Metathesis Using UltraCat

Used Chemicals

Procedure

To a solution of diethyl diallylmalonate (0.240 mL, 0.99 mmol) in anhydrous toluene (9.8 mL) was added a solution of UltraCat (0.1 mol%, 0.001 mmol, 1.0 mg) in toluene (0.1 mL) in one shot. The mixture was stirred at 40 °C under nitrogen for 2 hours. To the reaction mixture, was added 1,4-bis(3-isocyanopropyl)piperazine (0.5 mol%, 1.0 mg) to deactivate the catalyst. The solvent was removed under reduced pressure to give a crude of 1 (0.187 g, 89%) as a deep orange oil. The residue was passed through silica gel (eluent: hexane) to obtain 1 (0.143 g, 68%) as a light yellow oil.

Experimenter's Comments

Toluene was dried over molecular sieves 4A and was degassed by purging with nitrogen before use.
Preparation of catalyst stock solution: UltraCat (5.0 mg) was dissolved in dry degassed toluene (0.5 mL).
The reaction mixture was analyzed by gas chromatography and the reaction completed within 30 min.

Analytical Data (Diethyl cyclopent-3-ene-1,1-dicarboxylate (1))

1H NMR (400 MHz, CDCl3); δ 5.60 (t, J =2.74 Hz, 2H), 4.20 (q, J =7.34 Hz, 4H), 3.01 (m, 4H), 1.25 (t, J=7.34 Hz, 4H).

13C NMR (101 MHz, CDCl3); δ 172.18, 127.75, 61.47, 58.78, 50.79, 13.98.

Lead Reference


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