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Published TCIMAIL newest issue No.197
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CAS RN: 534-17-8 | Product Number: C2160
Cesium Carbonate
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Purity: >98.0%(T)
Synonyms:
Product Documents:
| Size | Unit Price | Belgium | Japan* | Quantity |
|---|---|---|---|---|
| 25G |
€35.00
|
34 | ≥60 |
|
| 100G |
€115.00
|
36 | ≥40 |
|
*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 | C2160 |
| Purity / Analysis Method | >98.0%(T) |
| Molecular Formula / Molecular Weight | Cs__2CO__3 = 325.82 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature | Room Temperature (Recommended in a cool and dark place, <15°C) |
| CAS RN | 534-17-8 |
| Reaxys Registry Number | 4546405 |
| PubChem Substance ID | 87561592 |
| Merck Index (14) | 2010 |
| MDL Number | MFCD00010957 |
Specifications
| Appearance | White to Almost white powder to crystal |
| Purity(Nonaqueous Titration) | min. 98.0 % |
Properties (reference)
| Melting Point | 610 °C(dec.) |
| Degree of solubility in water | 2.77 g/l 20 °C |
GHS
| Pictogram |
|
| Signal Word | Danger |
| Hazard Statements | H318 : Causes serious eye damage. H361 : Suspected of damaging fertility or the unborn child. H373 : May cause damage to organs through prolonged or repeated exposure. |
| Precautionary Statements | P501 : Dispose of contents/ container to an approved waste disposal plant. P260 : Do not breathe dust/ fume/ gas/ mist/ vapours/ spray. P201 : Obtain special instructions before use. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P308 + P313 : IF exposed or concerned: Get medical advice/ attention. 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 | 208-591-9 |
| RTECS# | FK9400000 |
Transport Information:
| HS Number | 2836991780 |
Application
β-Amination of Aliphatic Amides via the β-C(sp3)―H Bonds Activation
Typical Procedure:
Substrate (0.1 mmol), [Pd(allyl)Cl]2 (1.8 mg, 0.005 mmol), tris[3,5-bis(trifluoromethyl)phenyl]phosphine (13.4 mg, 0.02 mmol), O-benzoyl hydroxylamine (0.4 mmol), 4Å molecular sieves (50 mg), and Cs2CO3 (130 mg, 0.4 mmol) are weighed in air and placed in a Schlenk tube (50 mL) with a magnetic stir bar. The reaction vessel is evacuated and backfilled with nitrogen (×3), and DCM (1.5 mL) is added afterwards. The reaction mixture is heated to 120 °C for 16 hours under vigorous stirring. Upon completion, the reaction mixture is cooled to room temperature. The solvents are removed under reduced pressure and the resulting mixture is purified by a silica gel-packed flash chromatography column using hexane/EtOAc/DCM mixtures as the eluent.
Substrate (0.1 mmol), [Pd(allyl)Cl]2 (1.8 mg, 0.005 mmol), tris[3,5-bis(trifluoromethyl)phenyl]phosphine (13.4 mg, 0.02 mmol), O-benzoyl hydroxylamine (0.4 mmol), 4Å molecular sieves (50 mg), and Cs2CO3 (130 mg, 0.4 mmol) are weighed in air and placed in a Schlenk tube (50 mL) with a magnetic stir bar. The reaction vessel is evacuated and backfilled with nitrogen (×3), and DCM (1.5 mL) is added afterwards. The reaction mixture is heated to 120 °C for 16 hours under vigorous stirring. Upon completion, the reaction mixture is cooled to room temperature. The solvents are removed under reduced pressure and the resulting mixture is purified by a silica gel-packed flash chromatography column using hexane/EtOAc/DCM mixtures as the eluent.
References
Application
Arylations of Indoles
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