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产品名称：3,6 - 二溴并噻吩 [3,2-b] 噻吩（TT36）
- 产品型号：392662-65-6
- 产品厂商：Ossila
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MSDS 3-6-dibromothienothiophene
3,6-Dibromothieno[3,2-b]thiophene (TT36), CAS number 392662-65-6, is a derivate of thieno[3,2-b]thiophene with bromine function groups at the 3,6-positions of the fused rings. TT36 is a widely used intermediate to build up more complex structures as semiconducting molecules, oligomers and conjugated polymers for OFETs, sensors, OLEDs and OPVs.
Interestingly, 3,6-dibromothieno[3,2-b]thiophene is prepared by the halogen dance reaction of 2,5-dibromothieno[3,2-b]thiophene with lithium diisopropyl amide (LDA), shown above.
3,6-Dibromothieno[3,2-b]thiophene has a good planar symmetrical structure and functional groups that can be easily modified to optimize the electronic properties. Alkylation or arylation of thieno[3,2-b]thiophene at 3.6-positions can be achieved via Negishi cross-coupling reaction by reacting 3,6-Dibromothieno[3,2-b]thiophene with RMBr (R = alkyl or aryl, M = Zn).
General Information
| CAS Number | 392662-65-6 |
| Chemical Formula | C6H2Br2S2 |
| Full Name | 3,6-Dibromothieno[3,2-b]thiophene |
| Molecular Weight | 298.0 g/mol |
| Synonyms | TT36 |
| Classification / Family | Thienothiophene, semiconductor synthesis intermediates, low band gap polymers, OLED, OFETs, organic photovoltaics |
Chemical Structure
![3,6-Dibromothieno[3,2-b]thiophene (TT36) chemical structure, CAS 392662-65-6](https://www.ossila.com/cdn/shop/files/3-6-dibromothienothiophene-body-chemical-structure.png?v=1653663540&width=240&height=180)
Product Details
| Purity | >98% (1H NMR in CDCl3) |
| Melting Point | 127.0 °C |
| Appearance | Fluffy white/off white powder |