单词 | phosphazine |
释义 | phosphazinen. Chemistry. Any compound containing an azine group =N—N= bonded directly to a phosphorus atom. Cf. phosphazene n. ΚΠ 1920 Jrnl. Chem. Soc. 118 105 Tertiary phosphines combine more or less readily with the most varied aliphatic diazo-compounds, yielding derivatives, for which the name phosphazines is proposed, in accordance with the scheme CR2:N⋮N + PR3 → R2C:N—N:PR3. 1958 J. R. Van Wazer Phosphorus & its Compounds I. vi. 341 The compound (C6H5)3PNN=C(C6H5)2, a typical phosphazine, is a yellow, stable solid with slightly basic properties. 1999 Acta Crystallographica C. 55 1017/1 The synthetic utility of phosphazines (R3P=N—N=CR2) has been recognized for many years. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022). < n.1920 |
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