Research Article
Utilization of Zinc Dust for a Core Monomer 2-Bromo-3-hexylthien-5-ylzinc Bromide: Its Synthesis and Application for the Preparation of Regioregular Poly(3-hexylthiophene)
Table 1
Summary of the study.
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Carried out at refluxing temperature for 24 h, 0.3 mol % Ni(dppe)Cl2 used, 5.0 mol % I2/1.0 eq LiBr used, calculated by GC, isolated yield based on monomer, regioregularity: calculated by the integration of 2-methylene proton in 1H NMR spectrum, determined by GPC analysis (eluent: THF; calibration: polystyrene standards), and not available to perform. |