Nomenclature of Aldehydes & Ketones:

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Nomenclature of Aldehydes & Ketones: IUPAC Rules Functional Group Suffix if highest priority group As a substituent CO2H carboxylic acid -oic acid -carboxy- CO2R ester -oate -alkoxycarbonyl- CO2NR2 amide -amide -carbamoyl- CHO aldehyde -al -oxo- CRO ketone -one -oxo- OH alcohol -ol -hydroxy- NR2 amine -amine -amino- SH thiol -thiol -mercapto-

Nomenclature of Aldehydes: IUPAC 1. Find the longest chain to contain CHO group; this is the parent chain. 2. This parent chain’s name ends in ‘al’ - the suffix. E.g., take alkane and convert to alkanal. 3. Number the parent chain such that the C=O carbon gets the #1 designation. 4. Give name; be sure to list substituents alphabetically and to give their location; these are the prefixes. Remember that sec-, tert-, o-, m-, p-, di-, tri-, tetra- are not considered when alphabetizing, but iso is. Name the following:

Nomenclature of Ketones: IUPAC B. Ketones 1. The parent chain contains the C=O carbon; this is the parent chain. 2. This parent chain’s name ends in ‘one’ - the suffix. E.g., take alkane and convert to alkanone. 3. Number the parent chain such that the C=O carbon gets the lowest # possible. 4. When naming, give the location of the C=O carbon in the parent name. 5. Give name; be sure to list the parent chain substituents alphabetically and to give their location; these are the prefixes. Remember that sec-, tert-, o-, m-, p-, di-, tri-, tetra- are not considered when alphabetizing, but iso is. Name the following:

Nomenclature of Aldehydes & Ketones Name the following using IUPAC rules: