Term: hydrocarbylene groups
https://doi.org/10.1351/goldbook.H02890

Definition:
Divalent groups formed by removing two hydrogen atoms from a hydrocarbon, the free valencies of which are not engaged in a double bond, e.g. 1,3-phenylene, –CH2CH2CH2– propane-1,3-diyl, –CH2–methylene.

Related Terms:
1) hydrocarbon (http://doi.org/10.1351/goldbook.H02889).
2) methylene (http://doi.org/10.1351/goldbook.M03881).

Source: PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1341 (https://doi.org/10.1351/pac199567081307)

Citation: 'hydrocarbylene groups' 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.H02890

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