Characterization of the first hexacoordinate phosphorus compound with S→P←S bonds

Inorganic Chemistry Communications

Volumn 12, Issue 6, 2009, Pages 544-547

  Pavan Kumar, K V P ^a   Phani Pavan, M ^a   Kumara Swamy, K C ^a  

^a UNIVERSITY OF HYDERABAD   (India)

Author keywords

Coordination geometry; Hypervalency; Phosphonium salt; Phosphorane; Structure

Indexed keywords

EID: 67349235321     PISSN: 13877003     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.inoche.2009.04.013     Document Type: Article

References (36)

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19. 31P NMR: δ 168.3 {lit 168.4 [5c]}.
20. 2: C 65.53; H, 6.99; N, 6.11, S 6.99. Found: C, 65.42; H, 7.04; N, 6.04; S, 6.88. Although this compound could be detected in another reaction containing additional diol, isolation of a pure material could not be accomplished in that case.
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24. 31P NMR spectrum [δ(P): -3.4, -13.7, -18.4 with the last one predominating when a higher stoichiometry of pyrazole was used] of the resulting mixture showed peaks only in the tetracoordinate region.
25. +.
26. +.
27. +.
28. 4P: C, 59.43; H, 6.10; N, 1.94. Found: C, 59.65; H, 6.14; N, 1.98.
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31. -3.
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35. We had assigned a different geometry 14′ for this compound before Ref. [6b].{A figure is presented}
36. Holmes R.R. Acc. Chem. Res. 37 (2004) 746