Published TCIMAIL newest issue No.196
Maximum quantity allowed is 999
CAS RN: 14221-01-3 | Produkte #: T1350
Tetrakis(triphenylphosphine)palladium(0)
Reinheit: >97.0%(T)
- Pd(PPh3)4
Einheit | Stückpreis | Belgien | Japan* | Menge |
---|---|---|---|---|
1G |
€48.00
|
17 | ≥100 |
|
5G |
€130.00
|
15 | ≥100 |
|
25G |
€540.00
|
1 | ≥100 |
|
*In Belgien verfügbare Lagerbestände werden in 1 bis 3 Tagen geliefert.
*In Japan verfügbare Lagerbestände werden in 1 bis 2 Wochen geliefert. (unter Ausschluss von regulierten Artikeln und Trockeneislieferungen).
Artikel # | T1350 |
Reinheit / Analysenmethode | >97.0%(T) |
Summenformel / Molekülmasse | C__7__2H__6__0P__4Pd = 1,155.59 |
Physikalischer Zustand (20 °C) | Solid |
Lagerungstemperatur | Frozen (-20°C) |
Unter Inertgas lagern | Store under inert gas |
Zu vermeidende Bedingungen | Air Sensitive,Heat Sensitive |
CAS RN | 14221-01-3 |
Reaxys Registrierungsnummer | 6704828 |
PubChem-Stoff-ID | 87577117 |
MDL-Nummer | MFCD00010012 |
Appearance | Light yellow to Amber to Dark green powder to crystaline |
Purity(Chelometric Titration) | 97.0 to 106.0 % |
IR | confirm to structure |
Schmelzpunkt | 105 °C |
EC-Nummern | 238-086-9 |
HS-Nr. (Import / Export) (TCI-E) | 2843909000 |
Used Chemicals
Procedure
(3-Formylphenyl)boronic acid (480 mg, 3.2 mmol) and 4-chloro-3,5-dimethyl-phenol (500 mg, 3.2 mmol) and tetrakis(triphenylphosphine)palladium(0) (55 mg, 0.048 mmol, 1.5 mol%) were dissolved in degassed ethanol (20 mL). A solution of sodium carbonate (250 mg, 2.4 mmol) in water (5 mL) was added to the solution, and the mixture was stirred for 5 h at 75 °C. The reaction mixture was cooled to room temperature and filtered. The filtrate was concentrated, cooled Et2O (15 mL) was added and filtered to remove insoluble. The filtrate was concentrated to give the desired product as a pale yellow crystalline solid (506 mg, 2.24 mmol, 70%).
Experimenter's Comments
Ethanol was degassed by purging with N2.
The reaction mixture was monitored by TLC (hexane : ethyl acetate = 2 : 3, Rf = 0.8).
Analytical Data(4′-Hydroxy-2′,6′-dimethyl-[1,1′-biphenyl]-3-carbaldehyde)
1H NMR (400 MHz, CDCl3); δ 10.09 (s, 1H), 8.13 (s, 1H), 7.90 (t, J = 6.8 Hz, 2H), 7.65 (t, J = 7.6 Hz, 1H), 6.56 (s, 2H), 4.79 (s, 1H), 2.36 (s, 6H).
Lead Reference
- Suzuki Reaction for the Synthesis of New Derivatives of 4-Chloro-3,5-Dimethyl Phenol and their in vitro Antibacterial Screening
References
Artikel / Broschüren
[Product Highlights] Enol Tosylate for Stereoretentive Cross Coupling Reactions
[Research Articles] Palladium-Catalyzed Three-Component Reaction for the Synthesis of Imidazolidinones
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