dialkylinen
Dialkylinen is not a widely recognized term in standard chemical nomenclature. The label may arise from a typographical error, shorthand in a particular context, or confusion with several different concepts. Because there is no established definition, any discussion of dialkylinen depends on the intended context or spelling.
If the term was meant to refer to dialkylamines, these are secondary amines with two alkyl substituents
If the term intends dialkylindene or dialkylindene derivatives, it would describe indene-based hydrocarbons bearing two alkyl
In summary, “dialkylinen” does not have a single, precise meaning. For accurate use, the intended root should