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2-Bromo-3-hexylthiophene is used in the synthesis of End-capped Regioregular Poly(3-hexylthiophene). It is also used to synthesize well-defined head-to-tail-type oligothiophenes which are used in a number of high-technology applications including OLEDs.
Kowalski, S.; Allard, S.; Zilberberg, K.; Riedl, T.; Scherf, U. Direct arylation polycondensation as simplified alternative for the synthesis of conjugated (co)polymers. Prog. Polym. Sci. 2013, 38 (12), 1805-1814.
Estrada, L. A.; Deininger, J. J.; Kamenov, G. D.; Reynolds, J. R. Direct (Hetero)arylation Polymerization: An Effective Route to 3,4-Propylenedioxythiophene-Based Polymers with Low Residual Metal Content. ACS Macro Lett. 2013, 2 (10), 869-873.
Lai, Y.; Tung, T.; Liang,W.; Cheng, Y. Synthesis of Poly(3-hexylthiophene), Poly(3-hexylselenophene), and Poly(3-hexylselenophene-alt-3-hexylthiophene) by Direct C-H Arylation Polymerization via N-Heterocyclic Carbene Palladium Catalysts. Macromolecules 2015, 48 (9), 2978-2988.
Andrey, E.; Rudenko, A. E.; Thompson, B. C. The effect of amide solvent structure on the direct arylation polymerization (DArP) of 2-Bromo-3-hexylthiophene. J. Polym. Sci., Part A: Polym. Chem. 2015, 53 (21), 2494-2500.
Hazard Statements: H302-H315-H319-H335
Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statements: P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.