The field of organic electronics relies heavily on the precise synthesis and application of specialized chemical compounds. N,N-Bis(biphenyl-4-yl)-4'-bromo-biphenyl-4-amine, a compound identified by CAS number 728039-63-2, represents a vital intermediate that underpins many advancements, particularly in Organic Light-Emitting Diodes (OLEDs). Understanding its synthesis and multifaceted applications is crucial for chemists, material scientists, and procurement specialists aiming to innovate in this dynamic sector. We, as a dedicated manufacturer and supplier, are committed to providing this high-quality chemical.

Chemical Synthesis and Properties

The synthesis of N,N-Bis(biphenyl-4-yl)-4'-bromo-biphenyl-4-amine typically involves palladium-catalyzed cross-coupling reactions, such as the Buchwald-Hartwig amination. This process efficiently links aromatic amines with aryl halides, creating robust carbon-nitrogen bonds. In this case, a dibrominated biphenyl derivative would be coupled with a functionalized aniline, or vice versa, to construct the desired molecular architecture. The resulting compound is characterized by its extended pi-conjugation system, conferred by the multiple aromatic rings, which is essential for efficient charge transport. Its physical form is generally a white to off-white powder, with a high assay of 99.0% or more being standard for demanding applications.

The presence of the bromine atom is not merely incidental; it serves as a reactive handle. This allows for further transformations through Suzuki, Stille, or Sonogashira coupling reactions, enabling the attachment of other functional groups. This versatility makes N,N-Bis(biphenyl-4-yl)-4'-bromo-biphenyl-4-amine a highly valuable precursor for creating a diverse library of organic semiconductor materials tailored for specific electronic or optoelectronic functions.

Applications in Advanced Electronics

The primary arena where this compound shines is in the development of OLED materials. As a molecular building block, it contributes significantly to:

  • Host Materials: In phosphorescent OLEDs (PHOLEDs), the host material plays a critical role in efficiently transferring energy to the emissive dopant. The electronic properties of bromo biphenyl amine derivatives make them excellent candidates for high-performance hosts, offering good charge balance and high triplet energy.
  • Hole Transport Layers (HTLs): The aromatic amine structure is inherently good at transporting holes. By incorporating this intermediate into HTL materials, device designers can improve charge injection and mobility, leading to higher efficiency and lower operating voltages.
  • Emissive Layer Components: In some architectures, derivatives of this compound can also be used directly in emissive layers, influencing color purity and quantum efficiency.
Beyond OLEDs, the compound's structure makes it a candidate for other organic electronic applications, including organic field-effect transistors (OFETs) and organic photovoltaics (OPVs), where efficient charge transport and tunable energy levels are paramount.

Sourcing from a Reliable Manufacturer

For businesses that need to buy N,N-Bis(biphenyl-4-yl)-4'-bromo-biphenyl-4-amine, partnering with a reputable manufacturer and supplier is key. NINGBO INNO PHARMCHEM CO.,LTD. is dedicated to supplying this crucial intermediate, ensuring the high purity (≥99.0%) and consistent quality required for advanced synthesis. Our role as a China-based manufacturer allows us to offer competitive pricing and reliable supply, supporting your research and development initiatives and production needs. We invite you to connect with us to explore how our commitment to quality can benefit your electronic material projects.

In conclusion, the careful synthesis and strategic application of N,N-Bis(biphenyl-4-yl)-4'-bromo-biphenyl-4-amine are fundamental to the progress of organic electronics. Its versatility as a reactive intermediate, combined with its inherent electronic properties, makes it an indispensable compound for pushing the boundaries of display and lighting technologies.