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Phosphorus, Sulfur, and Silicon and the Related Elements Volume 139, 1998 - Issue 1
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Original Articles

SPECTROSCOPIC STUDY ON THE ELECTRON DELOCALIZATION WITHIN THE PHOSPHAZO RING

I. M. Abd-ellah Chemistry Department, Faculty of Science, Sana'a University, Sana'a, Yemen. P O. box 11220, Sana'a, Yemen
,
Y. Al-shaibi Chemistry Department, Faculty of Science, Sana'a University, Sana'a, Yemen. P O. box 11220, Sana'a, Yemen
,
A. A. Ba-issa Chemistry Department, Faculty of Science, Sana'a University, Sana'a, Yemen. P O. box 11220, Sana'a, Yemen
&
M. S. El-hammadi Chemistry Department, Faculty of Science, Sana'a University, Sana'a, Yemen. P O. box 11220, Sana'a, Yemen
Pages 29-43 | Received 02 Dec 1996, Accepted 14 Mar 1997, Published online: 16 Feb 2007
 
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Abstract

Interaction of hexachlorocyclodiphosph(V)azanes (1) with some aminocompounds such as aniline, o-aminophenol, p-toluidine, p-anisidine, p-chloroaniline, 2-aminothiazol in acetonitrile furnished geminal aminocylcodiphosph(V)azanes of type (IIa-x). Reaction of these products with sulfur (solid) led to the formation of the disulfo-derivatives of type(IIIa-g). The structure of the isolated substances was proposed on the basis of microanalytical data, infrared, 1H n.m.r., and mass spectra. Ultraviolet studies on the electron delocalization within the four-membered ring of the dimeric structure were also discussed.

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