Shotaro Hayashi and Toshio Koizumi
Polym. Chem., 2015,6, 5036-5039
DOI:
10.1039/C5PY00871A,
Communication
We have successfully demonstrated a chloride-promoted Pd-catalyzed phosphine-free direct C–H arylation for highly efficient synthesis of high molecular weight π-conjugated polymers. Among halide ions, chloride ions played a crucial role in highly efficient C–H activation.