Scheme 3.
Retrosynthetic aspects of the preparation of dihalobiphenyls with pyridine (C^C^N) (13) or NHC (C^C^C’) (16) donor. [Pd]: Pd catalysed C−C cross coupling.
Retrosynthetic aspects of the preparation of dihalobiphenyls with pyridine (C^C^N) (13) or NHC (C^C^C’) (16) donor. [Pd]: Pd catalysed C−C cross coupling.