A palladium(II) complex with a chelating (carboxy) phosphanoalkyl ligand

rac-[SP-4-2]-{2-[(dimethylamino-κN)methyl]phenyl-κC1}{[2-(diphenylphosphanyl-κP)ferrocenyl](methoxycarbonyl)methyl-κC}palladium(II) (1) was synthesized by deprotonation of [SP-4-4]-chloro{2-[(dimethylamino-κN)methyl]phenyl-κC1}{rac-methyl 2-(diphenylphosphanyl)ferrocenylacetate-κP}palladium(II) with t-BuOK. Complex 1 was characterized by spectral methods and its reactivity studied. The structure of 1 was determined by X-ray crystallography and discussed in relation to other complexes with phosphanoalkyl ligands derived from phosphanoacetic esters.