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17.1 Nomenclature of Aldehydes and Ketones

Main Menu. 17.1 Nomenclature of Aldehydes and Ketones. ketones. aldehydes. formaldehydes. General Nomenclature. ketone. aldehyde. - an e to – an one (IUPAC). - an e to –an al. alkyl alkyl ketone (common). Carbonyl group as a substituent: oxo. oxa. 3. b. 1. 4. 2. g. a.

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17.1 Nomenclature of Aldehydes and Ketones

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  1. Main Menu • 17.1 Nomenclature of Aldehydes and Ketones ketones aldehydes formaldehydes

  2. General Nomenclature ketone aldehyde -ane to –anone(IUPAC) -ane to –anal alkyl alkyl ketone (common) Carbonyl group as a substituent: oxo oxa

  3. 3 b 1 4 2 g a Examples Ethanal Acetaldehyde Butanal Not 1-Butanal Benzaldehyde 5 1 5-Oxopentanal Pentanedial Cyclohexanecarbaldehyde NotCyclohexylaldehyde

  4. Examples (R)-3-Hydroxybutanal (1R,2R)-2-Methylcyclohexanecarbaldehyde Ethyl 5-oxopentanoate Ethyl (2S,5S)-2-chloro-5-formylhexanoate

  5. (E)-2-Hexenal Propanone Dimethylketone Acetone Examples 5-Oxohexanal 2-Hexanone (E)-3-Hexen-2-one 2,6-heptanedione NotHexanone

  6. Examples Methyl phenyl ketone (common) Acetophenone Diphenylketone (common) Benzophenone 2-Cyclohexenone Not(Z)-2-Cyclohexenone Cyclohexanone 3-Cyano-2-Cyclohexenone

  7. 1. Cinnamaldehyde is the organic compound that gives cinnamon its flavor. What is the IUPAC name for cinnamaldehyde? (a) (E)-3-phenylprop-2-enal (b) (E)-3-benzylprop-2-enal (c) (E)-3-phenylprop-1-enal (d) (E)-3-benzylprop-1-enal (e) None of the above Learning Check 2. What is the name for the following compound? (a) methyl 3-bromobutanoate (b) methyl 4-bromobutanoate (c) 4-bromopentanoate (d) 5-bromopentanoate (e) None of the above

  8. Main Menu 3. What is not the name for the following compound? (a) acetone (b) dimethylketone (c) 2-oxoketone (d) propanone (e) None of the above Learning Check 4. What is the name for the following compound? (a) (R)-2-cyanocyclopentanone (b) (S)-2-cyanocyclopentanone (c) (R)-2-nitrilecyclopentanone (d) (S)-2-nitrilecyclopentanone (e) None of the above

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