ChemicalBook CAS DataBase List TETRABROMO-THIENO[3,2-B]THIOPHENE

TETRABROMO-THIENO[3,2-B]THIOPHENE synthesis

5synthesis methods

Product Name:TETRABROMO-THIENO[3,2-B]THIOPHENE
CAS Number:124638-53-5
Molecular formula:C6Br4S2
Molecular Weight:455.81

251-41-2 Synthesis

251-41-2
272 suppliers
$8.00/250mg

124638-53-5
72 suppliers
$65.00/50mg

Yield: 95%

Reaction Conditions:

with bromine;acetic acid in chloroform at 20 - 78;

Steps:

1.1
S1,willAnd thiophenethienothiophene(5 g, 35.7 mmol)Soluble in glacial acetic acid (36ml)And chloroform (10 ml)Of the mixed solvent,Br2 is added dropwise at room temperature(28.5 g, 180.56 mmol),Continue to stir for half an hour,And then heated to reflux at room temperature of 78 ° C overnight; Ling to room temperature, washed with water, precipitation of white solid compounds, and then washed with water and methanol 3 times, vacuum drying at room temperature,To give white solid compound 1, [M +] = 455.0 (yield: 95%);

References:

Beijing University Shenzhen Sheng Yuan;Meng Hong;Shi Jingjing CN106188090, 2016, A Location in patent:Paragraph 0086

1723-27-9 Synthesis