1268162-33-9

Basic information

• Product Name: Dibenzofuran-4-yl-diphenyl-phosphine-oxide
• Synonyms: DBFPPO
• CAS NO: 1268162-33-9
• Molecular Formula: C₂₄H₁₇O₂P
• Molecular Weight: 368.372
• Mol File: 1268162-33-9.mol
• Article Data: 4

Chemical Properties

• Boiling Point: 588.4±32.0 °C(Predicted)
• Density: 1.29±0.1 g/cm3(Predicted)
• CAS DataBase Reference: Dibenzofuran-4-yl-diphenyl-phosphine-oxide(CAS DataBase Reference)
• NIST Chemistry Reference: Dibenzofuran-4-yl-diphenyl-phosphine-oxide(1268162-33-9)
• EPA Substance Registry System: Dibenzofuran-4-yl-diphenyl-phosphine-oxide(1268162-33-9)

Safety Data

• Hazardous Substances Data: 1268162-33-9(Hazardous Substances Data)

Usage

General Description

Dibenzofuran-4-yl-diphenyl-phosphine-oxide is a chemical compound consisting of a dibenzofuran group attached to a diphenylphosphine oxide. It is commonly used as a ligand in organic and inorganic synthesis and as a catalyst in various chemical reactions. Dibenzofuran-4-yl-diphenyl-phosphine-oxide has been found to exhibit promising properties for applications in the pharmaceutical and materials industries, including potential use in the development of new drugs and the production of advanced materials. Additionally, it has demonstrated potential as a flame retardant due to its ability to inhibit the combustion of materials. Overall, Dibenzofuran-4-yl-diphenyl-phosphine-oxide has shown diverse and valuable applications across different sectors of the chemical and materials industries.

Upstream product

• 132-64-9 dibenzofuran 
• 1079-66-9 chloro-diphenylphosphine 
• 133850-82-5 4-(diphenylphosphanyl)dibenzofurane 
• 2786-05-2 dibenzofuran-4-carboxylic acid 
• 4559-70-0 Diphenylphosphine oxide 

Downstream Products

• 1421844-49-6 (2-(4-(9H-carbazol-9-yl)phenyl))-(6-diphenylphosphoryl)dibenzofuran 
• 1407158-17-1 2,8-di(carbazol-9-yl)-4-(diphenylphosphinoyl)dibenzofuran 
• 1407158-23-9 2,8-dibromo-4-(diphenylphosphinoyl)dibenzofuran 

Relevant articles and documents

Asymmetrically difunctionalized dibenzo[b,d]furan-based hole blocking materials for high-performance blue phosphorescent organic light-emitting diodes

Many researchers have reported dibenzo[b,d]furan segment as a building block of organic light-emitting diode (OLED) materials because it has high thermal stability and triplet energy. However, most of the research has focused on symmetrically substituting the same functional groups at 2-position due to easy functionalization or substituting the same functional groups at different positions of dibenzo[b,d]furan. Herein, we design and synthesize three new hole blocking materials based on asymmetrically difunctionalized dibenzo[b,d]furan, diphenyl (2-(pyridin-3-yl)dibenzo[b,d]furan-6-yl)phosphine oxide (DBFPO-Py), diphenyl(2-(pyrimidin-5-yl)dibenzo[b,d]furan-6-yl)phosphine oxide (DBFPO-Pyr), and diphenyl(2-(4-(triphenylsilyl)phenyl)dibenzo[b,d]furan-6-yl)phosphine oxide (DBFPO-Si) for high-performance phosphorescent OLEDs. Phosphine oxide, tetraphenylsilane, pyridine, and pyrimidine segments are successfully introduced into the asymmetric position of a dibenzo[b,d]furan. It is found that DBFPO-Py, DBFPO-Pyr, and DBFPO-Si possess high thermal stability; high triplet energies of 2.96, 2.98, and 2.80 eV; and deep highest occupied molecular orbital (HOMO) energy levels of ?7.13, ?7.23 and ?7.07 eV; respectively. Blue phosphorescent OLEDs with DBFPO-Py, DBFPO-Pyr, and DBFPO-Si show low turn-on voltages, high current and power efficiencies, and superior external quantum efficiencies. Blue phosphorescent OLEDs with DBFPO-Py and DBFPO-Pyr showed improved performance in terms of current and power efficiencies, etc, compared with the device with 1,3-bis(3,5-dipyrid-3-yl-phenyl)benzene (BmPyPB), which is commonly used as a hole blocking layer. More importantly, the blue phosphorescent OLEDs with DBFPO-Pyr showed the best performance with maximum external quantum efficiency of 23.6%, current efficiency of 29.8 cd A?1, power efficiency of 26.0 lm W?1, and low efficiency roll-off of 6.38%. Novel hole blocking materials based on asymmetrically difunctionalized dibenzo[b,d]furan are expected to make a significant contribution to the development of blue phosphorescent OLEDs.

Aromatic phosphorus oxide compounds and preparation method for aromatic phosphorus oxide medicines of same

The invention discloses a plurality of aromatic phosphorus oxide compounds and a preparation method of aromatic phosphorus oxide medicines of the same. The preparation method comprises the following steps: weighing 1.2 times equivalent of aromatic carboxy