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379123

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

Name: 4,5-Dibromo-2,7-di-<I>tert</I>-butyl-9,9-dimethylxanthene
Brand: ALDRICH

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:

130525-43-8

Molecular Weight:

480.28

NACRES:

NA.22

PubChem Substance ID:

24863616

UNSPSC Code:

12352100

MDL number:

MFCD00134486

Assay:

97%

Form:

solid

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Properties

Quality Level

200

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

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number

0000488280

0000245398

0000202074

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Intramolecular hydroamination of unbiased and functionalized primary aminoalkenes catalyzed by a rhodium aminophosphine complex.

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)

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)

Dimethylxanthene-and dibenzofuran-diamido complexes of titanium.

Porter RM and Danopoulos AA.

Polyhedron, 25(4), 859-863 (2006)

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Global Trade Item Number

SKU	GTIN
379123-5G	04061833314036