78053-65-3

Basic information

• Product Name: 2-ethynyl-9,10-anthraquinone
• Synonyms: 2-ethynyl-9,10-anthraquinone
• CAS NO: 78053-65-3
• Molecular Weight: 232.238
• Mol File: 78053-65-3.mol

Chemical Properties

• CAS DataBase Reference: 2-ethynyl-9,10-anthraquinone(CAS DataBase Reference)
• NIST Chemistry Reference: 2-ethynyl-9,10-anthraquinone(78053-65-3)
• EPA Substance Registry System: 2-ethynyl-9,10-anthraquinone(78053-65-3)

Safety Data

• Hazardous Substances Data: 78053-65-3(Hazardous Substances Data)

Upstream product

• 572-83-8 2-bromoanthracene-9,10-dione 
• 1066-54-2 trimethylsilylacetylene 

Downstream Products

• 861524-02-9 bis(9,10-anthraquinone-2-yl)acetylene 
• 1010840-31-9 9-(4-formylphenyl)-10-(2-anthraquinonylethynyl)anthracene 
• 868383-10-2 8-[(anthraquinon-2-yl)ethynyl]-2'-deoxyadenosine 3'-dibenzyl phosphate 
• 868383-13-5 5'-O-tert-butyldiphenylsilyl-8-[(anthraquinon-2-yl)ethyl]-2'-deoxyadenosine 
• 868383-12-4 5'-O-tert-butyldiphenylsilyl-8-[(anthraquinon-2-yl)ethynyl]-2'-deoxyadenosine 

Relevant articles and documents

Anthraquinone-Based Oligomer as a Long Cycle-Life Organic Electrode Material for Use in Rechargeable Batteries

An anthraquinone (AQ)-based dimer and trimer linked by a triple bond (?C≡C?) were newly synthesized as active materials for the positive electrode of rechargeable lithium batteries. These synthesized oligomers exhibited an initial discharge capacity of about 200 mAh g?1 with an average voltage of 2.2–2.3 V versus Li(C.E.). These capacity values are similar to that of the AQ-monomer, reflecting the two-electron transfer redox per AQ unit. Regarding their cycling stability, the capacity of the monomer electrode quickly decreased; however, the electrodes of the prepared oligomers showed an improved cycling performance. In particular, the discharge capacities of the trimer remained almost constant for 100 cycles. A theoretical calculation revealed that the intermolecular binding energy can be increased to the level of a weak covalent bonding by oligomerization, which would be beneficial to suppress the dissolution of the organic active materials into the electrolyte solutions. These results show that the cycle-life of organic active materials can be extended without lowering the discharge capacity by the oligomerization of the redox active molecule unit.

NOVEL 9,10-BIS(1,3-DITHIOL-2-YLIDENE)-9,10-DIHYDROANTHRACENE POLYMERS AND USE THEREOF

The problem addressed was that of providing novel polymers which are preparable with a low level of complexity, with the possibility of controlled influence on the physicochemical properties thereof within wide limits in the course of synthesis, and which are usable as active media in electrical charge storage elements for high storage capacity, long lifetime and stable charging/discharging plateaus. 9,10-Bis(1,3-dithiol-2-ylidene)-9,10-dihydroanthracene polymers consisting of an oligomeric or polymeric compound of the general formula I have been found.