First microwave-assisted synthesis of an electron-rich phosphane and its coordination chemistry with platinum(II) and palladium(II)

► Microwave-assisted synthesis of a phosphanylcarboxylic acid ligand by involving a secondary phosphane. ► Different coordination modes of a phosphanylcarboxylic acid ligand at a PtII center. ► Chloride-bridged Pd-Me compounds from anionic Pd-Me species.