Fj. Parlevliet et al., CALIX[6]ARENE DERIVED DIPHOSPHITE, SYNTHESIS AND COMPLEXATION BEHAVIOR - X-RAY STRUCTURE OF A PALLADIUM(II) CHLORIDE COMPLEX, Chemical communications, (5), 1996, pp. 583-584
Calix[6]arene reacts with 2 equiv. of PCl3 to form a bidentate diphosp
hite ligand L which coordinates to Pd, Pt and Re in a cis fashion and,
according to X-ray analysis, with a bite angle of approximately 90 de
grees for a palladium complex [PdCl(2)L].