Browsing by Author "Ibrahim, E. H. M. [عز الدين حرب محمد ابراهيم]"

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    • Spectroscopic Studies On Some Methylphosphonothioic Diamides And Related Compounds 

      Ibrahim, E. H. M. [عز الدين حرب محمد ابراهيم]; Nour, E. M.; Alnaimi, I. S. ( Qatar University , 1987 , Article)
      A series of methylphosphonothioic diamides MrP (S) (NHR)., ( R = Mr, pr' and Bu') and some related compounds viz, PhP(S)(NHBu)a ,P1^P(S) ( NHCHJ'h ) arc preparpd and their infrared, n.m.r. and mass spectra arc- recorded. ...

    • The Structures And Mode Of Formation Of Some Cyclodiphosphazane Derivatives With Urea And Thiourea 

      Ibrahim, E. H. M. [عز الدين حرب محمد ابراهيم]; Abd-Ellah, I. M.; El-Khazandar, A. N. ( Qatar University , 1986 , Article)
      The methods of preparation and possible reaction mechanisms for the formation of some geminal and nongeminal aminocyclodiphosph (v) azanes of the type (II - V) are discussed. These cyclodiphosphazanes obtained from the ...