379123

4,5-Dibrom-2,7-di-tert-butyl-9,9-dimethylxanthen

97%

• Synonym(e): 4,5-Dibromo-2,7-bis(1,1-dimethylethyl)-9,9-dimethyl-9H-xanthene, 4,5-Dibromo-2,7-di-tert-butyl-9,9-dimethyl-9H-xanthene
• Empirische Formel (Hill-System): C₂₃H₂₈Br₂O
• CAS-Nummer: 130525-43-8
• Molekulargewicht: 480.28
• MDL-Nummer: MFCD00134486
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24863616
• NACRES: NA.22

Eigenschaften

• Assay: 97%
• Form: solid
• mp (Schmelzpunkt): 260-262 °C (lit.)
• Funktionelle Gruppe: bromo
• SMILES String: CC(C)(C)c1cc(Br)c2Oc3c(Br)cc(cc3C(C)(C)c2c1)C(C)(C)C
• InChI: 1S/C23H28Br2O/c1-21(2,3)13-9-15-19(17(24)11-13)26-20-16(23(15,7)8)10-14(12-18(20)25)22(4,5)6/h9-12H,1-8H3
• InChIKey: OJJSJAIHWCFVBK-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

4,5-Dibromo-2,7-di-tert-butyl-9,9-dimethylxanthene is a heterocyclic building block.

Anwendung

4,5-Dibromo-2,7-di-tert-butyl-9,9-dimethylxanthene may be used as starting reagent for the synthesis of 4,5-(N,N′-bis-cyclohexylamino)-2,7-di-tert-butyl-9,9-dimethyl-xanthene[1] and oligothiophene tweezer molecule bearing two quaterthiophene moieties.[2]

4,5-Dibromo-2,7-di-tert-butyl-9,9-dimethylxanthene may be used in the synthesis of:

• 2,7-di-tert-butyl-4,5-diiodo-9,9-dimethylxanthene[3]
• new NON-donor ligand, 4,5-bis(2,6-diisopropylanilino)-2,7-di-tert-butyl-9,9-dimethylxanthene[4]
• bis(diethylamino)xantphos, via one-pot metalation reaction and and quenching with bis(diethylamino)chlorophosphine[5]

Sicherheitshinweise

• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: Eyeshields, Gloves, type N95 (US)