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ether O R O R′
323
aldehyde
ketone
OO CH RCH
OO
methyl ethyl ether
O
CH3CH2C H propanal
O
The Amide Functional Group
C R C R′ CH3CCH2CH2CH3 2-pentanone
organic acid
ester
OO
C OH R C OH
OO
O
CH3CH2C OH propanoic acid
O
CH3CH2COCH3 methyl propanoate
CH3CH2CH2NH2 1-propanamine
amine
Reffy, Table R (p. 8)
C O
R C O R′ R′
R N R′′
N
amide
O
C NH
O R′ R C NH
O
CH3CH2C NH2 propanamide
Note: R represents a bonded atom or group of atoms.
• Amides have a double bond between a C and an O.
• They also have a single bond to N.
Reference Tables for Physical Setting/Chemistry – 2011 Edition 8
UNIT 11: ORGANIC CHEMISTRY © 454