alkenille
Alkenille is a term that appears sporadically in chemistry discussions to refer to a fragment or substituent that contains an alkene, i.e., a carbon–carbon double bond. It is not part of established IUPAC nomenclature, and its usage is inconsistent across sources. In formal contexts, the standard term is alkenyl, with common descriptors such as vinyl (ethenyl) when describing a substituent attached to a larger molecule.
Usage and nomenclature: When chemists need to indicate a fragment derived from an alkene, they typically use
Chemical properties: An alkenyl (the standard term corresponding to alkenille in informal usage) contains at least
Relationship to related terms: The primary legitimate terms are alkene (the hydrocarbon with a C=C bond) and
Summary: Alkenille is not widely recognized in formal chemistry literature; when precision is required, alkenyl or