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
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About This Item
Empirical Formula (Hill Notation):
C23H28Br2O
CAS Number:
Molecular Weight:
480.28
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
Recommended Products
Assay
97%
form
solid
mp
260-262 °C (lit.)
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
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
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
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Ryo Takita et al.
Organic letters, 10(21), 5003-5005 (2008-10-09)
An oligothiophene tweezer molecule, which has two quaterthiophene moieties connected to create an electrochemically activated hinge, has been synthesized. Two-electron oxidation of the tweezer molecule produces an intramolecular pi-dimer between the two oligothiophene moieties at room temperature as confirmed by
Dimethylxanthene-and dibenzofuran-diamido complexes of titanium.
Porter RM and Danopoulos AA.
Polyhedron, 25(4), 859-863 (2006)
Extremely Stable Thorium (IV) Dialkyl Complexes Supported by Rigid Tridentate 4, 5-Bis (anilido) xanthene and 2, 6-Bis (anilidomethyl) pyridine Ligands.
Cruz CA, et al.
Organometallics, 26(3), 692-701 (2007)
Synthesis, structure, and properties of aromatic ring-layered polymers containing ferrocene as a terminal unit.
Morisaki Y, et al.
Journal of Inorganic and Organometallic Polymers and Materials, 19(1), 104-112 (2009)
Lisa D Julian et al.
Journal of the American Chemical Society, 132(39), 13813-13822 (2010-09-16)
We report a rhodium catalyst that exhibits high reactivity for the hydroamination of primary aminoalkenes that are unbiased toward cyclization and that possess functional groups incompatible with more electrophilic hydroamination catalysts. The rhodium catalyst contains an unusual diaminophosphine ligand (L1)
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