55408-49-6

Basic information

• Product Name: dibenzo[f,h]quinoxaline-2,3-dicarbonitrile
• Synonyms: 2,3-Dicyanodibenzo(f,h)quinoxaline; Dibenzo[f,h]quinoxaline-2,3-dicarbonitrile
• CAS NO: 55408-49-6
• Molecular Formula: C₁₈H₈N₄
• Molecular Weight: 280.2829
• Mol File: 55408-49-6.mol
• Article Data: 6

Chemical Properties

• Boiling Point: 615.5°C at 760 mmHg
• Flash Point: 179.5°C
• Density: 1.42g/cm³
• Vapor Pressure: 4.4E-15mmHg at 25°C
• Refractive Index: 1.799
• CAS DataBase Reference: dibenzo[f,h]quinoxaline-2,3-dicarbonitrile(CAS DataBase Reference)
• NIST Chemistry Reference: dibenzo[f,h]quinoxaline-2,3-dicarbonitrile(55408-49-6)
• EPA Substance Registry System: dibenzo[f,h]quinoxaline-2,3-dicarbonitrile(55408-49-6)

Safety Data

• Hazardous Substances Data: 55408-49-6(Hazardous Substances Data)

Upstream product

• 84-11-7 9,10-phenanthrenequinone 
• 54848-44-1 1,2-diamino-1,2-dicyanoethylene 
• 18514-52-8 2,3-diaminomaleonitrile 
• 1187-42-4 diaminomaleonitrile 

Relevant articles and documents

Self-Assembled 2,3-Dicyanopyrazino Phenanthrene Aggregates as a Visible-Light Photocatalyst

In this study, 2,3-dicyanopyrazino phenanthrene (DCPP), a commodity chemical that can be prepared at an industrial scale, was used as a photocatalyst in lieu of Ru or Ir complexes in C-X (X = C, N, and O) bond-forming reactions under visible-light irradiation. In these reactions, [DCPP]n aggregates were formed in situ through physical π-πstacking of DCPP monomers in organic solvents. These aggregates exhibited excellent photo- and electrochemical properties, including a visible light response (430 nm), long excited-state lifetime (19.3 μs), high excited-state reduction potential (Ered([DCPP]n*/[DCPP]n·-) = +2.10 V vs SCE), and good reduction stability. The applications of [DCPP]n aggregates as a versatile visible-light photocatalyst were demonstrated in decarboxylative C-C cross-coupling, amidation, and esterification reactions.

7,10-Dibromo-2,3-dicyanopyrazinophenanthrene Aggregates as a Photosensitizer for Nickel-Catalyzed Aryl Esterification

Self-assembled aggregates of 7,10-dibromo-2,3-dicyanopyrazinophenanthrene which act as a new organophotocatalyst in combination with Ni catalyst for the C aryl-O acylcross-coupling reactions of carboxylic acids with aryl halides are described. This visible-light-induced C aryl-O acylbond-formation reaction proceeds smoothly to afford aryl esters with satisfactory to excellent yields.

Synthesis and pharmacological activities of some dibenzopyrazolocinnolines and dibenzopyridazinoquinoxalines

Derivatives of three new classes of heterocyclic compounds have been synthesized. The first class comprises the synthesis of pyrimidino- and imidazolopyrazolopyridazine using 11 H-dibenzo[f,h]pyrazolo[3,4-c]-cinnoline-13- amine. The second class involves