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NOMENCLATURE

hakodana
in Organic Chemistry

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hello, if you have the compound : 2,6,6-trimethyl-4-(1-methylethyl)nonane
the trimethyl and the branched 1-methyl- both starts with the letter "m",
how do you choose which one gets the priority? according to the numbers (2 or 4)?

Well isopropyl is a recognised IUPAC fragment, ChemDraw gives this compound as 4-isopropyl-2,6,6-trimethylnonane

Yes according to the numbers. 2,6,6-trimethyl has more priority.

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