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Studies of Phosphazenes. Part $22.^1$ High-field Nuclear Magnetic Resonance Investigation of Novel Isomeric Oxophosphazadienes

Swamy, Kumara KC and Krishnamurthy, Setharampattu S (1985) Studies of Phosphazenes. Part $22.^1$ High-field Nuclear Magnetic Resonance Investigation of Novel Isomeric Oxophosphazadienes. In: Journal of the Chemical Society, Dalton Transactions: Inorganic Chemistry (7). pp. 1431-1433.

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Abstract

The reaction of $N_3P_3$$( NPPh_3)$$Cl_5$ with an excess of methoxide yields the 'hydroxy'-derivatives, $N_3P_3$$( NPPh_3)$ $(OMe)_4$,(OH) and $N_3P_3$$( NPPh_3)$ $(OMe)_3$,$(OH)_2$, in addition to the fully methoxylated derivative $N_3P_3$$( NPPh_3)$ $(OMe)_5$. The analogous reaction of gem-$N_3P_3$$( NPPh_3)$ $(Nme_2)$ $Cl_4$ with ethoxide affords $N_3P_3$$( NPPh_3)$ $(NMe_2)$ $(OMe)_4$ and $N_3P_3$$( NPPh_3)$ $(NMe_2)$ $(OMe)_4$,(OH). The 'hydroxy'-derivatives exist in their oxophosphaza-tautomeric forms. For the 'monohydroxy'-compounds, the presence of a pair of cis- and trans-oxophosphazadienes is established from $^1H$ and $^{31}P$ n.m.r. spectroscopic data.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to American Chemical Society.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Depositing User: RM Shivakumara
Date Deposited: 10 Jul 2008
Last Modified: 19 Sep 2010 04:47
URI: http://eprints.iisc.ac.in/id/eprint/14889

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