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Thiophene and its derivatives are a class of compounds with many kinds of superior function, such as optics, electricity and magnetism performance, etc., and a lot of thiophene and its derivatives have been used in the new engineering material with the further study of the relationship between structure and performance of thiophene and its derivatives, more high performance of thiophene and its derivatives have been synthesized and used to meet the needs of all kinds of high technology in optical signal processing and information storage fluorescent display and many technical aspects, such as chemical energy storage has potential application value.

Among the numerous thiophene and its derivatives, thiophene [2,3-b] benzothiophene CAS NO:251-41-2  is an aromatic thick ring system with a large conjugated degree. It is known to all that the compound with a large conjugated degree should have a good fluorescence emission ability, which can be used as a fluorescent emitter in the field of fluorescence chemical sensing.

[2, 3 - b] thiophene CAS NO:251-41-2  and thiophene due to its rich electronic sex, also can be used as electron donors applies in the middle of the conjugated polymer photovoltaic materials will CAS NO:251-41-2 thiophene [2, 3 - b] and thiophene polymerization owner chain, introduced structural unit, can make the rigidity of polymer increases, and the structure will be more stable and firm, the crystallization of polymer and stability will be improved, which could show better optical performance.

Name:Thieno[3,2-b]thiophene 

Other name: 1,4-Dithiapentalene;

thieno(3,2-b)thiophene;

4-Dithiapentalene 1,4-Thiophthene;

1,4-Dithiapentalene,1,4-Thiophthene;

1,4-THIOPHTHENE;

Thieno3,2-bthiophene;

Thiéno[3,2-b]thiophène ;

Thieno[3,2-b]thiophen.

CAS: 251-41-2

EINECS:N/A

MF: C6H4S2

MW: 140.226

MP: 56?C

Appearance: White powder

Purity: 97% min

Package: 25g, 100g, 500g, bulk package 

Thieno[3,2-b]thiophene CAS:251-41-2 Copolymer it's a high mobility P-Type DPP for Organic Thin-Film Transistors.

A new alternating polyfluorene copolymer, poly(9,9'-dioctylfluorene-alt-thieno

[3,2-blthiophene) (PFTT),containing a thiophene-condensed 

thieno[3,2-b]thiophene CAS:251-41-2  moiety has been synthesized via a palladium-catalyzed Suzuki coupling reaction.

A fluorene- and thienol[3,2-b]thiophene CAS:251-41-2 based copolymer suitable for use as semiconducting materials in solution-processable organic field-effect transistors were synthesized. Replacement of the flexible bithiophene in F8T2 with a rigid fused thieno[3,2-b]thiophene CAS:251-41-2 yielded a polymer (F8TT)with higher crystallinity and an ordered morphology.

There have the other name for product Thieno[3,2-b]thiophene CAS:251-41-2 as follows: thieno(3,2-b)thiophene;

4-Dithiapentalene 1,4-Thiophthene;

1,4-Dithiapentalene,1,4-Thiophthene;

Thieno[3,2-b]thiophene CAS:251-41-2 oligomers could applications as p-type organic semiconductors.

The following analogues of Thieno[3,2-b]thiophene-2-carboxylic acid CAS:1723-27-9 /search/1723-27-9.html;

3,6-dibromothieno[3,2-b]thiophene CAS:392662-65-6 /search/392662-65-6.html;

methyl thieno[3,2-b]thiophene-5-carboxylate CAS:98800-10-3  /search/98800-10-3.html;

thieno[3,2-b]thiophene-5-carbaldehyde CAS:31486-86-9  /search/31486-86-9.html are also available from Alfa.

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