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3,6 - 二溴并噻吩 [3,2-b] 噻吩(TT36)

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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
产品展商: Ossila

简单介绍


3,6 - 二溴并噻吩 [3,2-b] 噻吩(TT36)  的详细介绍

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.

TT36 preparation by halogen dance reaction
TT36 preparation by halogen dance reaction

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
3,6-Dibromothieno[3,2-b]thiophene (TT36) chemical structure, CAS 392662-65-6

Product Details


Purity >98% (1H NMR in CDCl3)
Melting Point 127.0 °C
Appearance Fluffy white/off white powder
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