2-Bromo-9,9-diphenyl-9H-fluorene

Name: 2-Bromo-9,9-diphenyl-9H-fluorene
Brand: ChemScene
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CAS No. 474918-32-6
Cat. No. CS-W009389
Purity≥98%
MDL No.MFCD09907957

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

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2-Bromo-9,9-diphenyl-9H-fluorene|CS-W009389

Structure of 474918-32-6

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Description

2-Bromo-9,9-diphenyl-9H-fluorene features a sterically hindered fluorene core with a bromine substituent at the 2-position, enabling efficient coupling reactions. The diphenyl groups enhance stability and solubility in organic media, while the electrophilic bromine facilitates palladium-catalyzed cross-coupling transformations. This compound serves as a robust building block for conjugated materials and functional polymers.

Application

2-Bromo-9,9-diphenyl-9H-fluorene serves as a versatile building block in transition-metal-catalyzed cross-coupling reactions, particularly Suzuki and Stille couplings. Its sterically encumbered fluorene core provides excellent bench stability and resistance to protodebromination, enabling reliable functionalization under standard reaction conditions. The bromo group exhibits high reactivity with palladium catalysts, facilitating efficient C–C bond formation while the diphenyl-substituted fluorene framework imparts solubility and crystallinity advantageous for purification and downstream processing.

General Information

CAS No. 474918-32-6
Cat. No. CS-W009389
Purity ≥98%
MDL No. MFCD09907957
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₂₅H₁₇Br
Molecular Weight 397.32
Synonym(s) 2-Dibromo-9,9-diphenylfluorene
SMILES BrC1=CC2=C(C=C1)C1=C(C=CC=C1)C2(C1=CC=CC=C1)C1=CC=CC=C1

Computational Chemistry Data

TPSA 0
LogP 6.8122
H_Acceptors 0
H_Donors 0
Rotatable_Bonds 2

Safety Information

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GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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Other Classifications

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Material Science Material Composite Block Small Molecule Semiconductor Synthesis Building Block

Material Science Material Building Blocks Small Molecule Semiconductor Building Blocks Fluorenes, Fluorenones

Key Words

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2-Bromo-9,9-diphenyl-9H-fluorene

CAS No. 474918-32-6

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