New heterocyclic organophosphorus-sulfur-nitrogen compounds, syntheses and structures

P Kilian, P Pazdera, J Marek, J Novosad, J Touzin

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


The new compound C10H6P(S)[NSi(CH3)(3)](2)P(S) (3) which contains a P2N2 heterocycle has been prepared in low yield by partial thermal decomposition of 1-{[N,N'-bis(trimethylsilyl) acetamidinium] sulfide}-3-(trimethylsilyl-amino)-1 H,3 H,1 lambda(5),3 lambda(5)-naphtho[1,8 a,8-cd][1,2,6]thiadiphosphinine-1,3-dithione [CH3C{NHSi(CH3)(3)}(2)](+)[C10H6P(S). (NHSiMe3)SP(S)(2)](-) (2). Reaction of 2 with potassium hydroxide in acetonitrile gives the completely desilylated product [CH3C(NH2)(2)](+)[C10H6P(S) (NH2)SP(S)(2)](-) (4). The structures of the new compounds 3 and 4 were elucidated by FTIR and NMR spectroscopy methods and by X-ray structure analyses.

Original languageEnglish
Pages (from-to)1497-1502
Number of pages6
JournalZeitschrift für Anorganische und Allgemeine Chemie
Issue number9
Publication statusPublished - Sept 1998


  • organophosphorus-sulphur-nitrogen compounds
  • 1,3-diaza-2 lambda(5),4 lambda(5)-diphosphetidine-2,4-dithione
  • 1,3-dithia-2 lambda(5),4 lambda(5)-diphosphetane-2,4-dithione
  • 1-thia-3-aza-2 lambda(5),4 lambda(5)-diphosphetidine-2,4-dithione
  • acetamidinium salt
  • crystal structure


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