ORGANIC CHEMISTRY Chapter 16 o For more complex aldehyde in which the-CHO group is attached to a ring the suffix-carbaldehyde is used CHO CHO Benzenecarbaldehyde Cyclohexanecarbaldehyde ( benzaldehyde)苯甲醛 环己烷甲醛 CHO 2- naphthalenecarbaldehyde2-萘甲醛 Department of Chemistry, Xiamen University
ORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 16 For more complex aldehyde in which the –CHO group is attached to a ring, the suffix -carbaldehyde is used. CHO CHO CHO Benzenecarbaldehyde Cyclohexanecarbaldehyde 2-naphthalenecarbaldehyde (benzaldehyde) 环己烷甲醛 2-萘甲醛 苯甲醛
ORGANIC CHEMISTRY Chapter 16 o Ketones are named by replacing the terminal -e of the corresponding alkane name with -one o The chain selected for the base name is the longest one that contains the ketone group, and the numbering begins at the end nearer the carbonyl carbon CH3 CH CH2-C-CH2 CH3 3- Hexanone3-已酮 (common name: Ethyl propyl ketone) CH3CH=CHCH2 CCH3 CH CHoCCHoCCH 4- Hexen-2-one4-己烯-2-酮2,4- Hexanedione2,4-已二酮 Department of Chemistry, Xiamen University
ORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 16 Ketones are named by replacing the terminal –e of the corresponding alkane name with –one. The chain selected for the base name is the longest one that contains the ketone group, and the numbering begins at the end nearer the carbonyl carbon. CH3CH2CH2 C CH2CH3 O 3-Hexanone 3-己酮 CH3CH CHCH2CCH3 O CH3CH2CCH2CCH3 O O 4-Hexen-2-one 4-己烯-2-酮 2,4-Hexanedione 2,4-己二酮 (common name: Ethyl propyl ketone)