Production Method 1

4891-44-5

925899-21-4

Reaction Conditions

1.1 Reagents: Hydrogen peroxide ,  Hydrogen bromide ;  < 40 °C; 2 h, rt

Reference

Method for preparing 2-bromo-5-(2-ethylhexyl)thiophene using thiophene and 2-ethylhexanoyl chloride

, China, , ,

Production Method 2

4891-44-5

925899-21-4

Reaction Conditions

1.1 Reagents: N-Bromosuccinimide

Reference

Solution-Processed and High-Performance Organic Solar Cells Using Small Molecules with a Benzodithiophene Unit

Zhou, Jiaoyan; Zuo, Yi; Wan, Xiangjian; Long, Guankui; Zhang, Qian; et al, Journal of the American Chemical Society, 2013, 135(23), 8484-8487

Production Method 3

4891-44-5

925899-21-4

Reaction Conditions

1.1 Reagents: N-Bromosuccinimide ,  Sodium sulfite Solvents: Tetrahydrofuran ,  Hexane ;  3 h

Reference

Preparation of dithiophenacene fused ring quinoxaline conjugated polymer for solar cell and transistor

, China, , ,

Production Method 4

4891-44-5

925899-21-4

Reaction Conditions

1.1 Reagents: N-Bromosuccinimide Solvents: Tetrahydrofuran ;  overnight, 0 °C

Reference

Multichloro-Substitution Strategy: Facing Low Photon Energy Loss in Nonfullerene Solar Cells

Chao, Pengjie; Liu, Longzhu; Zhou, Jiadong; Qu, Jianfei; Mo, Daize; et al, ACS Applied Energy Materials, 2018, 1(11), 6549-6559

Production Method 5

18908-66-2

925899-21-4

Reaction Conditions

1.1 Reagents: Butyllithium ;  -78 °C
1.2 Reagents: N-Bromosuccinimide Solvents: Dimethylformamide ;  40 h

Reference

Synthesis of end-blocked thienyl oligomers incorporating benzo[c]thiophene

Mohanakrishnan, Arasambattu K.; Amaladass, P.; Arul Clement, J., Tetrahedron Letters, 2007, 48(5), 779-784

2-Bromo-5-(2-ethylhexyl)thiophene Raw materials

• 2-Ethylhexyl bromide
• 2-(2-Ethylhexyl)thiophene

2-Bromo-5-(2-ethylhexyl)thiophene Preparation Products

• 2-Bromo-5-(2-ethylhexyl)thiophene (925899-21-4)

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