First Evidence for a Curtius Type Rearrangement Involving a Charged Atom. An Easy Synthesis of an Iminophosphonium Salt

Article abstract of DOI:10.1039/c39840000284

Irradiation of azidophosphonium salts (Me2N)3P+N3,X- (1; X = PF6) and (4; X = Br) leads either to an iminophosphonium salt (Me2N)2P+=N-NMe2,PF6^- (2) or to an iminophosphorane (Me2N)3P=NH (7) depending on the nature of the anion; these differences in the photochemical behaviour of (1) and (4) are rationalized by the transient existence of a phosphonitrenium salt (Me2N)3P=N+,X- (8).

Full text of DOI:10.1039/c39840000284

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