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  2. Descriptor (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Descriptor_(Chemistry)

    The terms sec and tert are considered obsolete and should only be used for unsubstituted sec-butoxy, sec-butyl [26] [27] or tert-butyl groups. [ 28 ] [ 27 ] There are various spellings such as "sec-butyl", "s-butyl", "sBu" or "bus" which are also considered obsolete.

  3. Butyl group - Wikipedia

    en.wikipedia.org/wiki/Butyl_group

    The prefixes sec (from "secondary") and tert (from "tertiary") refer to the number of additional side chains (or carbons) connected to the first butyl carbon. The prefix "iso" or "iso" means "isolated" while the prefix 'n-' stands for "normal". Butan-2-yl (sec-butyl) group is chiral. The carbon atom at position 2 is a stereocenter.

  4. Tertiary carbon - Wikipedia

    en.wikipedia.org/wiki/Tertiary_carbon

    The R is the functional group attached to a tertiary carbon. If the functional group was an OH group, this compound would be commonly called tert-butanol or t-butanol. When a functional group is attached to a tertiary carbon, the prefix -tert (-t) is used in the common name for the compound. [4] An example of this is shown in the figure.

  5. Wikipedia : Naming conventions (chemistry)

    en.wikipedia.org/wiki/Wikipedia:Naming...

    Exceptions are cyclo, iso, neo, and spiro which are considered part of the name and therefore not italicized or hyphenated. Substituent groups are also considered part of the name. In former versions of the IUPAC recommendations, names were written with a capital initial letter.

  6. Butanol - Wikipedia

    en.wikipedia.org/wiki/Butanol

    Butanol (also called butyl alcohol) is a four-carbon alcohol with a formula of C 4 H 9 O H, which occurs in five isomeric structures (four structural isomers), from a straight-chain primary alcohol to a branched-chain tertiary alcohol; [1] all are a butyl or isobutyl group linked to a hydroxyl group (sometimes represented as BuOH, sec-BuOH, i-BuOH, and t-BuOH).

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  8. Wikipedia : WikiProject Chemicals/Style guidelines

    en.wikipedia.org/wiki/Wikipedia:WikiProject...

    The exception is iso... as in isopropanol, which is part of the name and therefore not italicized or hyphenated. Substituent groups do form part of the name: hence the correct article title is 1,2-Dichloroethane , which is written as 1,2-dichloroethane if not at the start of a sentence.

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