4,7-DIBROMO-2,1,3-BENZOTHIADIAZOLE
4,7-DIBROMO-2,1,3-BENZOTHIADIAZOLE Basic information
- Product Name:
- 4,7-DIBROMO-2,1,3-BENZOTHIADIAZOLE
- Synonyms:
-
- 4,7-DIBROMO-2,1,3-BENZOTHIADIAZOLE
- 4,7-Dibromobenzo[c]-1,2,5-thiadiazole (Dibromo BTD)
- 4,7-Dibromo-2,1,3-Benzothidiazole
- 4,7-Dibromobenzo[c][1,2,5]thiadiazole
- DBBTA
- 4,7-Dibromobenzo-2,1,3-thiadiazole
- 4,7-Dibromobenzo[c][1,2,5]thiadiazole ,97%
- 4,7-dibroMo-,4,7-DibroMo-1,2,3-benzothiadiazole
- CAS:
- 15155-41-6
- MF:
- C6H2Br2N2S
- MW:
- 293.97
- EINECS:
- 629-084-2
- Product Categories:
-
- Synthetic IntermediatesBuilding Blocks
- ThiadiazolesHeterocyclic Building Blocks
- Halogenated Heterocycles
- Heterocyclic Building Blocks
- Organic Electronics and Photonics
- Synthetic Tools and Reagents
- Thiadiazoles
- OPV,OLED
- Medical Intermediates
- Mol File:
- 15155-41-6.mol
4,7-DIBROMO-2,1,3-BENZOTHIADIAZOLE Chemical Properties
- Melting point:
- 186-190 °C
- Boiling point:
- 326.6±22.0 °C(Predicted)
- Density
- 2.229±0.06 g/cm3(Predicted)
- storage temp.
- Inert atmosphere,Room Temperature
- solubility
- Soluble in toluene.
- form
- crystalline powder
- pka
- -3.37±0.50(Predicted)
- color
- White to Light yellow to Light orange
- InChI
- InChI=1S/C6H2Br2N2S/c7-3-1-2-4(8)6-5(3)9-11-10-6/h1-2H
- InChIKey
- FEOWHLLJXAECMU-UHFFFAOYSA-N
- SMILES
- N1=C2C(Br)=CC=C(Br)C2=NS1
4,7-DIBROMO-2,1,3-BENZOTHIADIAZOLE Usage And Synthesis
Description
4,7-Dibromo-2,1,3-benzothiadiazole is a white to Light yellow to Light orange crystalline powder and needs to be stored in an inert gas. As an organic intermediate, it is widely used in organic synthesis and pharmaceutical production
Chemical Properties
White solid
Uses
4,7-Dibromo-2,1,3-benzothiadiazole is the building block or monomer for the synthesis of light-emitting diodes and conducting polymers for organic electronics. It is used as an intermediate for the synthesis of poly[N-9'-heptadecanyl-2,7-carbazole-alt-5,5-(4',7'-di-2-thienyl-2',1',3'-benzothiadiazole)] (PCDTBT) and poly[2,1,3-benzothiadiazole-4,7-diyl[4,4-bis(2-ethylhexyl)-4H-cyclopenta[2,1-b:3,4-b']dithiophene-2,6-diyl]] (PCPDTBT).
Uses
This monomer is used in the synthesis of photoactive acceptor part in low band gap conjugated polymers and oligomers for high performance OPV devices
References
[1] Polymer, 2010, vol. 51, # 26, p. 6123 - 6131
[2] Angewandte Chemie - International Edition, 2017, vol. 56, # 18, p. 4982 - 4986
[3] Angew. Chem., 2017, vol. 129, # 18, p. 5064 - 5068,5
[4] Patent: CN106967060, 2017, A. Location in patent: Paragraph 0059; 0062-0063
[5] Tetrahedron, 2005, vol. 61, # 46, p. 10975 - 10982
4,7-DIBROMO-2,1,3-BENZOTHIADIAZOLESupplier
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