Spectral and gamma-irradiation study of some cyclodiphosphazane compounds

A. Dessouki; N. El-Assy; R. Aly; E. Ibrahim; M. El-Dessouky

doi:10.1007/bf02036498

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 100: Issue 1

Spectral and gamma-irradiation study of some cyclodiphosphazane compounds

Authors:

A. Dessouki

A. Dessouki National Centre for Radiation Research and Technology P.O. Box 29 Nasr City-Cairo (Egypt)

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N. El-Assy

N. El-Assy National Centre for Radiation Research and Technology P.O. Box 29 Nasr City-Cairo (Egypt)

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R. Aly

R. Aly National Centre for Radiation Research and Technology P.O. Box 29 Nasr City-Cairo (Egypt)

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E. Ibrahim

E. Ibrahim Al-Azhar University Faculty of Science Cairo (Egypt)

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, and

M. El-Dessouky

M. El-Dessouky Cairo University Faculty of Science Cairo (Egypt)

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Pages:: 49–56

Online Publication Date:: 14 Aug 2005

Publication Date:: 17 Jul 1986

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02036498

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Abstract

The aminolysis of hexachlorocyclodiphosphazane with substituted or unsubstituted arylamines, led to the preparation of some new organophosphorus compounds. It was also possible to isolate some new geometrical isomers containing substituted arylamines. It has been found that the aminolysis reactions of 1,3-diaryl-2,2,2,4,4,4-hexachlorocyclodiphosphazane take place without ring cleavage of the cyclodiphosphazane ring system, leading to 1,3-diaryl-2-oxo-2,2,4-arylcyclodiphosphazanes. The structures of these aminophosphorus compounds were substantiated on the basis of microanalytical data, infrared, ultraviolet and proton NMR spectroscopic evidence. Hexachlorocyclodiphosphazane and some aminosubstituted cyclodiphosphazane compounds were irradiated by gamma-rays and the ultraviolet measurements before and after irradiation were discussed. It was observed that all the absorption bands show the highest absorptivity values at a particular irradiation integral dose for each of the irradiated compounds. From the ultraviolet results and mass spectrometric data, it may be suggested that the possible decomposition sites of the amino-substituted cyclodiphosphazanes are at the double bond between the four-membered ring and the exocyclic phenyl ring and at the double bond between the four-membered ring and the oxygen atom.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)