9-(2-BroMo-phenyl)-9-phenyl-9H-fluorene

9-(2-BroMo-phenyl)-9-phenyl-9H-fluorene is a high-purity oled-materials supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

1. OLED Materials and Organic Electronics

This compound is commonly used as a functional intermediate in the development of organic light-emitting diodes (OLEDs) and organic semiconductors, due to its:

Fluorene core, known for:

High thermal stability

Excellent photoluminescent properties

High electron mobility

Bromophenyl group, which enables:

Site-specific cross-coupling (e.g., Suzuki, Stille, or Heck reactions)

Introduction of electron-donating or electron-withdrawing groups for tuning energy levels

Applications in:

Blue-emitting materials

Hole transport layers (HTLs)

Host materials in phosphorescent OLEDs (PhOLEDs)

2. Key Intermediate for Functional Polymers

Used in the synthesis of conjugated polymers for:

Flexible electronics

Organic field-effect transistors (OFETs)

Photovoltaics (OPVs)

The fluorene unit imparts rigidity and planarity, improving charge transport and film-forming properties.

3. Cross-Coupling Precursor in Medicinal Chemistry

The ortho-bromo group provides a reactive site for palladium-catalyzed coupling reactions, allowing:

Attachment of heterocycles, aryl, or alkynyl groups

Construction of extended π-conjugated systems

While less common in pharmaceuticals directly, it can be used in fluorene-based pharmacophore development or drug labeling in research.

4. Fluorescent Probes & Sensors

Due to the high fluorescence quantum yield and rigidity of the fluorene structure, this compound and its derivatives are candidates for:

Fluorescent molecular probes

Chemosensors for metal ions or reactive species

Bioimaging research, after suitable modification

1. Functional Group Versatility

The 2-bromophenyl group allows site-selective functionalization via:

Suzuki–Miyaura

Sonogashira

Buchwald–Hartwig reactions

This makes it a valuable diversification point in complex molecule synthesis.

2. Excellent Photophysical Properties

Fluorene derivatives, including this one, exhibit:

Strong UV-Vis absorbance

High photoluminescence efficiency

Good thermal and photochemical stability

Ideal for long-life optoelectronic materials.

3. Electron-Rich, Rigid Core

The fluorene core offers:

Planarity for π-conjugation

Thermal robustness

Structural rigidity that prevents unwanted twisting, ideal for devices

4. Scaffold for π-Conjugated Systems

Can be used as a core in constructing donor-acceptor systems, essential for:

TADF (thermally activated delayed fluorescence) emitters

Non-linear optical (NLO) materials

9-(2-Bromo-phenyl)-9-phenyl-9H-fluorene (CAS 1998216-26-4) is a highly valuable building block in materials chemistry, especially for OLEDs, organic semiconductors, and functional polymers. Its reactive bromo group enables further derivatization via cross-coupling reactions, while the fluorene core provides photophysical stability and electronic advantages. As a versatile intermediate, it supports the design of light-emitting, charge-transport, and conjugated materials used in cutting-edge electronics and optoelectronics.

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