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In contrast, a secondary alcohol has a formula “–CHROH” and a tertiary alcohol has a formula “–CR 2 OH”, where “R” indicates a carbon-containing group. Examples of primary alcohols include ethanol and 1-butanol. Methanol is also generally regarded as a primary alcohol, [2] [3] including by the 1911 edition of the Encyclopædia ...
Hexan-2-ol: 140 Secondary Hexan-3-ol: 135 Primary 2-Methylpentan-1-ol: 147 Primary 3-Methylpentan-1-ol: 152 Primary 4-Methylpentan-1-ol: 151 Tertiary 2-Methylpentan-2-ol: 121 Secondary 3-Methylpentan-2-ol: 134 Secondary 4-Methylpentan-2-ol: 131 Secondary 2-Methylpentan-3-ol: 126 Tertiary 3-Methylpentan-3-ol: 122 Primary 2,2-Dimethylbutan-1-ol ...
When necessary, the position of the hydroxyl group is indicated by a number between the alkane name and the -ol: propan-1-ol for CH 3 CH 2 CH 2 OH, propan-2-ol for CH 3 CH(OH)CH 3. If a higher priority group is present (such as an aldehyde , ketone , or carboxylic acid ), then the prefix hydroxy- is used, [ 19 ] e.g., as in 1-hydroxy-2 ...
Fatty alcohols are also prepared from petrochemical sources. In the Ziegler process, ethylene is oligomerized using triethylaluminium followed by air oxidation. This process affords even-numbered alcohols: Al(C 2 H 5) 3 + 18 C 2 H 4 → Al(C 14 H 29) 3 Al(C 14 H 29) 3 + 3 ⁄ 2 O 2 + 3 ⁄ 2 H 2 O → 3 HOC 14 H 29 + 1 ⁄ 2 Al 2 O 3
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).
3-Hexanol (IUPAC name: hexan-3-ol; also called ethyl propyl carbinol) is an organic chemical compound. It occurs naturally in the flavor and aroma of plants such as pineapple and is used as a food additive to add flavor.
3-Methyl-3-pentanol (IUPAC name: 3-methylpentan-3-ol) is an organic chemical compound and a tertiary hexanol. It is used in the synthesis of the tranquilizer emylcamate , [ 2 ] and has similar sedative and anticonvulsant actions itself.