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623-00-7 - 4-Bromobenzonitrile, 98+% - 4-Cyanobromobenzene - A10914 - Alfa Aesar

A10914 4-Bromobenzonitrile, 98+%

CAS-Nummer
623-00-7
Synonyme
4-Cyanobromobenzene

Größe Preis ($) Menge Verfügbarkeit
10g 39,40
50g 147,00
250g 548,00
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4-Bromobenzonitrile, 98+%

MDL
MFCD00001811
EINECS
210-764-9

Chemische Eigenschaften

Formel
C7H4BrN
Molmasse
182.03
Schmelzpunkt
111-114°
Siedepunkt
235-237°
Flammpunkt
130°(266°F)
Dichte
1.562
Löslichkeit
Very slightly soluble in water(0.2g/L). Soluble in alcohol and ether.

Anwendungen

4-Bromobenzonitrile is used as reagents and solvents. Reaction of 2-propanol, 4-bromobenzonitrile, and NaH in the presence of 1.5 mol % Pd2(dba)3 and 3 mol % (S)-(-)2,2?-bis(di-p-tolylphosphino)- 1,1?-binaphthyl at 50°C afforded 4-isopropoxy- benzonitrile in 80% isolated yield. The synthesis of 4-cyanobiphenyl at room temperature in a flow injection microreactor, using a supported catalyst, without the addition of a base gave a product yield of 67±7% (n=6). This was achieved by injecting 4-bromobenzonitrile. The 3-arylation of 2,5-dimethylthiophene with 4-bromopropiophenone, 4-trifluoromethylbromobenzene or 4-bromobenzonitrile gave 3-5 in only 38-50% yields in Palladium-catalysed direct 3-or 4-arylation of thiophene derivatives using aryl bromides.

Bemerkungen

Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Store away from strong oxidizing agents.

Literaturverweise

Michael Palucki,; John P. Wolf,; Stephen L. Buchwald. Palladium-Catalyzed Intermolecular Carbon-Oxygen Bond Formation:? A New Synthesis of Aryl Ethers. J. Am. Chem. Soc. 1997, 119 (14), 3395-3396.

Gillian M Greenway,; Stephen J Haswell,; David O Morgan,; Victoria Skelton,; Peter Styring. The use of a novel microreactor for high throughput continuous flow organic synthesis. Sensors and Actuators B: Chemical. 2000, (3) ,153-158.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H301-H312-H331-H315-H319-H335

Toxic if swallowed. Harmful in contact with skin. Toxic if inhaled. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Sicherheitshinweise: P261-P280-P301+P310a-P305+P351+P338-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Beilstein
2041518
Gefahrenklasse
6.1
Verpackungsgruppe
III
Harmonized Tariff Code
2926.90
TSCA
No
RTECS
DI2460000

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