538523

6-Brom-1,4-benzodioxan

97%

• Empirische Formel (Hill-System): C₈H₇BrO₂
• CAS-Nummer: 52287-51-1
• Molekulargewicht: 215.04
• EG-Nummer: 257-817-2
• MDL-Nummer: MFCD00040750
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24878339
• NACRES: NA.22

Eigenschaften

• Assay: 97%
• Brechungsindex: n20/D 1.588 (lit.)
• bp: 259-260 °C (lit.)
• Dichte: 1.598 g/mL at 25 °C (lit.)
• SMILES String: Brc1ccc2OCCOc2c1
• InChI: 1S/C8H7BrO2/c9-6-1-2-7-8(5-6)11-4-3-10-7/h1-2,5H,3-4H2
• InChIKey: LFCURAJBHDNUNG-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

6-Bromo-1,4-benzodioxane is an aryl halide. It can be synthesized from 1,4-benzodioxane, via bromination with bromine in acetic acid. It undergoes alkoxycarbonylation reaction with sodium tert-butoxide in the presence of CO to yield 2,3-dihydro-benzo[1,4]dioxine-6-carboxylic acid t-butyl ester.

Anwendung

6-Bromo-1,4-benzodioxane may be used as a starting reagent in the synthesis of chiral diphosphines (SYNPHOS and DIFLUORPHOS).

Sicherheitshinweise

• Lagerklassenschlüssel: 10 - Combustible liquids
• WGK: WGK 3
• Flammpunkt (°F): 230.0 °F - closed cup
• Flammpunkt (°C): 110 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)