379123

4,5-Dibromo-2,7-di-tert-butyl-9,9-dimethylxanthene

97%

• Synonym(s): 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
• Empirical Formula (Hill Notation): C₂₃H₂₈Br₂O
• CAS Number: 130525-43-8
• Molecular Weight: 480.28
• MDL number: MFCD00134486
• UNSPSC Code: 12352100
• PubChem Substance ID: 24863616
• NACRES: NA.22

Properties

• Assay: 97%
• form: solid
• mp: 260-262 °C (lit.)
• functional group: 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
• InChI key: OJJSJAIHWCFVBK-UHFFFAOYSA-N

Description

General description

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

Application

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 and oligothiophene tweezer molecule bearing two quaterthiophene moieties.

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

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves