Term: diamidides
https://doi.org/10.1351/goldbook.D01670

Definition:
Analogues of acyclic carboxylic acid anhydrides in which =O has been replaced by =NR and –O– by –NR–: RC(=NR)NRC(=NR)R, N-imidoyl amidines. The name 1,3,5-triazapentadienes is sometimes applied as a class name to diamidides.

Related Terms:
1) acid anhydrides (http://doi.org/10.1351/goldbook.A00072).
2) amidines (http://doi.org/10.1351/goldbook.A00267).
3) imidines (http://doi.org/10.1351/goldbook.I02950).

Source: PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1331 (https://doi.org/10.1351/pac199567081307)

Citation: 'diamidides' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.D01670

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