The correct IUPAC name of a compound was: 4-(1,1-dimethylethyl)-5-ethyloctane.

my question is why not 4-ethyl-5-(1,1-dimethylethyl)octane?

Are prefixes such as di-, tri-, etc. considered for alphabetical order? and what about prefixes such as cyclo, spiro? Are they too taken into consideration for alphabetical order?

  • 3
    $\begingroup$ Related: Nomenclature of organic compounds containing complex side chains $\endgroup$
    – user7951
    Aug 23 '19 at 5:42
  • 4
    $\begingroup$ Also note that the preferred IUPAC name actually is 4-tert-butyl-5-ethyloctane. $\endgroup$
    – user7951
    Aug 23 '19 at 14:24
  • $\begingroup$ I understood sir, thanks for the help $\endgroup$ Aug 23 '19 at 14:34

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