Pt(0) and Pd(0) based metallocryptands: metallophilic hosts for Pb(ii) ionElectronic supplementary information (ESI) available: preparation, spectral data and MALDI-TOF spectrum for compound 2. See http://www.rsc.org/suppdata/cc/b0/b003758n/
Abstract
Metallocryptands based on trigonally coordinated Pt(0) or Pd(0) with P2phen [2,9-bis(diphenylphosphino)-1,10-phenanthroline] bind Pb(II) ion through very strong, closed-shell metallophilic interactions; their syntheses, characterization and X-ray crystallography are presented.