Synthesis and coordination chemistry of RC(E)NHPPh2 (E = O or S; R = H2N, Ph, or Py): X-ray structure of [Pt{H2NC(S)NHPPh2}2] 2Cl 0.5MeOH

TQ Ly, Alexandra Martha Zoya Slawin, John Derek Woollins

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

H2NC(S)NHPPh2 1, H2NC(O)NHPPh2, PhC(O)NHPPh2 2, and (C5H4N)C(O)NHPPh2 3 were prepared from reaction of PPh2Cl with thiourea, urea, benzamide, and nicotinamide, respectively. Compound 1 reacts readily with [PtCl2(COD)] to form [Pt{H2NC(S)NHPPh2}(2)](2+) 2Cl(-)0.5MeOH 4. X-ray crystallography of 4 revealed the platinum atom is coordinated through sulphur and phosphorus atoms forming two five-membered rings which consist of five different atoms in a planar conformation ie. 4 can be classed as a 'true' heterocycle. 4 adopts a hydrogen bonded structure using all of the available N-H protons and the chloride counterions to form a sheetlike array with the phenyl rings of the phosphorus centres lying above and below the 'sheets'. (C) 1999 Elsevier Science Ltd. All rights reserved.

Original languageEnglish
Pages (from-to)1761-66
Number of pages6
JournalPolyhedron
Volume18
Publication statusPublished - 1999

Keywords

  • coordination
  • X-ray
  • platinum
  • heterocycle
  • PLATINUM(II) COMPLEXES
  • MOLECULAR-STRUCTURE
  • CRYSTAL-STRUCTURE
  • PH(2)PNHP(O)PH(2)
  • BIS(DIPHENYLPHOSPHINO)AMINE
  • PALLADIUM(II)
  • DERIVATIVES
  • AGGREGATE
  • LIGAND

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