Synthesis, characterization, and structures of zinc(II) and cadmium(II) complexes with phosphoramides bearing cyclic amino groups

Mohamed M’haiham, Khaled Ebeid, Fatimetou Ebnou, Cameron L. Carpenter-Warren, Alexandra M. Z. Slawin, John Derek Woollins, Med Taieb Ben Dhia, Med Abderrahmane K. Sanhoury

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Twelve new zinc(II) and cadmium(II) complexes with symmetric ligands, [MCl2((R2N)3PO)2] (M = Zn, R2N = pyrrolidinyl (1), piperidinyl (2); M = Cd, R2N = pyrrolidinyl (3), piperidinyl (4)), and differently substituted ligands of the general formula [MCl2(R2N)PO(R’2N)2] (M = Zn or Cd; R2N = Pyrr, Pip or Mor; R’2N = Pyrr, Pip or Mor (5–12) have been synthesized from reaction of zinc(II) or cadmium(II) chlorides with the ligands, giving yields of 43–76%. The complexes were characterized with multinuclear (1H, 13C and 31P) NMR, conductivity, IR spectroscopy, and X-ray analyses. Complexes 1, 3, 11, and 12 are comprised of two ligands coordinated to the metal center in a distorted monomeric tetrahedral arrangement. The P = O bond lengths of 1.490(3) (1), 1.497(4) (3), 1.480(4) (11), and 1.479(5) Å (12) are in the order observed for analogous phosphoramide complexes. The results are compared with those reported for related chalcogen counterparts.
Original languageEnglish
Pages (from-to)1-14
Number of pages14
JournalJournal of Coordination Chemistry
Early online date28 Feb 2020
DOIs
Publication statusE-pub ahead of print - 28 Feb 2020

Keywords

  • Phosphoramides
  • Zinc(II)
  • Cadmium(II)
  • Metal complex
  • NMR
  • X-ray analysis

Fingerprint

Dive into the research topics of 'Synthesis, characterization, and structures of zinc(II) and cadmium(II) complexes with phosphoramides bearing cyclic amino groups'. Together they form a unique fingerprint.

Cite this