cumulenes

https://doi.org/10.1351/goldbook.C01440
@H02889@ (and by extension, derivatives formed by substitution) having three or more @C01437@, e.g. R2C=C=C=CR2.
See also:
allenes
,
heterocumulenes
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1329 [Terms] [Paper]
Citation: 'cumulenes' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.C01440 RIS BibTex EndNote
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Last revised: February 24, 2014