Ch_322a_4.06 - ol Common Names of Alcohols Alkyl group...

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Nomenclature of Alcohols In the IUPAC naming system, there may be as many as four components to the name: Locant indicates the position of a substituent. Prefix names the substituent group. Parent is the parent alkane. Suffix names a key function. Examples CH 3 CH 2 CHCH 3 OH 2-butan ol locant parent suffix CH 3 CHCH 2 CH 2 OH CH 3 3-methyl-1-butan ol locant prefix locant parent suffix
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IUPAC Rules for Naming Alcohols (1) Select the longest continuous chain containing the hydroxyl group as the parent. Drop the "e" in the alkane name and add the suffix "ol." (2) Number the chain from the end that gives a lower number to the position of the hydroxyl group. CH 3 CH 2 CHCH 2 OH CH 3 4 3 2 1 2-methyl-1-butan ol CH 3 CHCHCH 3 CH 3 OH 3-methyl-2-butan
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Unformatted text preview: ol Common Names of Alcohols Alkyl group names are approved by IUPAC for naming alcohols: "alkyl group + alcohol." CH 3 CH 2 OH CH 3 CHCH 3 OH CH 3 CCH 2 OH CH 3 CH 3 ethyl alcohol isopropyl alcohol neopentyl alcohol "Glycol" is a common name for compounds containing two hydroxyl groups. In the IUPAC system, they are diols . HO CH 2 CH 2 OH CH 3 CHCH 2 OH OH ethylene glycol (1,2-ethanediol) propylene glycol (1,2-propanediol) Note: The glycol name uses the common name of the alkene that yields the diol upon hydroxylation. Quiz 4.06 Name the following compound. CH 3 CHClCH 2 CHOH CH 3 4-chloro-2-pentanol...
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