The Synthesis of a Spiro Phosphazene Derivative of NPCl ^ NSOPh ^


Only a limited number of spiro compounds has been reported in which both components have a phosphazene or phosphazenelike skeleton. The first member of this class, viz. NP[(NPCl2)2NCH3](NPCl2)2 (Fig. l.A), was prepared by Lehr [2] by means of a Kirsanov conversion of (NPC12)2NP(NH2)2 into (NPC12)2NP(NPC13)2, followed by a ring closure reaction using [(CH3… (More)

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