1204649-68-2

Basic information

• Product Name: 2,7-dibromopyrene-4,5,9,10-tetraone
• Synonyms: 2,7-dibromopyrene-4,5,9,10-tetraone
• CAS NO: 1204649-68-2
• Molecular Formula: C16H4Br2O4
• Molecular Weight: 420.00856
• Mol File: 1204649-68-2.mol
• Article Data: 11

Chemical Properties

• Boiling Point: 634.2±55.0 °C(Predicted)
• Appearance: /
• Density: 2.145±0.06 g/cm3(Predicted)
• CAS DataBase Reference: 2,7-dibromopyrene-4,5,9,10-tetraone(CAS DataBase Reference)
• NIST Chemistry Reference: 2,7-dibromopyrene-4,5,9,10-tetraone(1204649-68-2)
• EPA Substance Registry System: 2,7-dibromopyrene-4,5,9,10-tetraone(1204649-68-2)

Safety Data

• Hazardous Substances Data: 1204649-68-2(Hazardous Substances Data)

Usage

General Description

2,7-dibromopyrene-4,5,9,10-tetraone is a compound with the chemical formula C16H6Br2O4. It is a derivative of pyrene, a polycyclic aromatic hydrocarbon consisting of four fused benzene rings. 2,7-dibromopyrene-4,5,9,10-tetraone has four carbonyl groups and two bromine atoms attached to the pyrene structure. It is commonly used in organic synthesis and chemical research as a building block for more complex molecules. The presence of bromine atoms makes it a useful reagent for various reactions, and its unique structure allows for the potential development of novel materials and pharmaceuticals. However, the compound's toxicity and environmental impact should be carefully considered when working with it.

Upstream product

• 102587-98-4 2,7-dibromo-4,5,9,10-tetrahydropyrene 
• 129-00-0 pyrene 
• 14727-71-0 pyrene-4,5,9,10-tetraone 

Relevant articles and documents

Synthesis and photovoltaic properties of conjugated D-A copolymers based on thienyl substituted pyrene and diketopyrrolopyrrole for polymer solar cells

A new donor-acceptor conjugated copolymer (PDTPyDPP), comprising 2,7-di-2-thienyl-4,5,9,10-tetrakis(hexyloxy)pyrene as a donor and diketopyrrolopyrrole (DPP) as an acceptor, was synthesized. PDTPyDPP showed good solubility in common organic solvents, broad visible absorption from 300 to 900 nm, and a moderate hole mobility up to 6.3 × 10-3 cm2 V-1 s-1. The power conversion efficiency of the photovoltaic device based on the PDTPyDPP/PC71BM photoactive layer reached 4.43% with 0.66 V of open-circuit voltage (Voc), 10.52 mA cm-2 of short-circuit current (Jsc) and 64.11% of fill factor.

Optical Effect of Varying Acceptors in Pyrene Donor–Acceptor–Donor Chromophores

Three donor–acceptor–donor (D–A–D) pyrene chromophores are described and compared by DFT computations. The two properties of low energy photon absorption and low energy electrochemical reduction are demonstrated through a pyrene framework. Altering the electron-acceptor strength of the pyrene core by chemical oxidation or installation of a thiadiazole dioxide heterocycle results in the formation of D–A–D chromophores with absorption bands up to 900 nm and LUMO energy levels of approximately –4.1 eV vs. vacuum.

An extended carbonyl-rich conjugated polymer cathode for high-capacity lithium-ion batteries

Organic materials have attracted extensive attention for use in lithium-ion batteries due to the flexible designability of their structures and their high theoretical capacities. However, the high solubilities, low voltages, and poor conductivities of traditional organic materials have impeded their further application. Herein, a novel carbonyl-rich covalent organic polymer (COP), polyphenyl-1,3,5-(pyrene-4,5,9,10-tetraone) (PPh-PTO), was designed and synthesized.In situFourier-transform infrared spectroscopy (FTIR),ex situX-ray photoelectron spectroscopy (XPS), and Raman analysis were used to confirm the carbonyl redox-active centers. Moreover, density functional theory (DFT) calculations were used to verify that the extended conjugated structure can induce electron delocalization and achieve an elevated and slanted voltage plateau in comparison with the pyrene-4,5,9,10-tetraone (PTO) monomer. The extended structure enables PPh-PTO to show a high reversible capacity of 235 mA h g?1at 0.1 A g?1, superior cycling abilities (95% capacity retention after 1400 cycles), and excellent rate performance (94 mA h g?1at 2 A g?1) in lithium-ion batteries. Our work developed a promising strategy for designing high-energy carbonyl-rich covalent organic polymers for energy storage.

Organic compound, mixture and composition and application thereof

The invention relates to an organic compound, a mixture and a composition and an application thereof, and in particular, relates to an application in an organic light-emitting diode. The organic compound disclosed by the invention, represented by a general formula (1), has excellent hole transport property and stability, can be used as a hole injection layer material in an organic electroluminescent element, and can also be used as a dopant to be doped in a hole injection layer or a hole transport layer, so that low-voltage driving can be realized, the electroluminescent efficiency can also be improved, and the device life is prolonged.