functional groups structure Flashcards
1
Q
alkyl groups, alkanes
A
CH3
CH3-CH2-CH3
2
Q
aromatics
A
ring with double bonds
3
Q
amide
A
O=C-NH-
resonance with
O-C=NH-
4
Q
ester
A
O=C-O-
resonance with
O-C=O-
5
Q
Carboxylic acid/carboxylate anion
A
O=C-OH
O=C-O
resonance with
O-C=O
6
Q
carbonyl group in ketone
A
O=C-R
7
Q
carbonyl group in aldehydes
A
O=C-H
8
Q
amines
A
NR3
resonance with
NR3H+
9
Q
quarternary ammonium salts
A
NR4+
10
Q
guanidine
A
R-NH-C=NH
-NH
3 resonance structures
11
Q
nitrile
A
-C=-N:
12
Q
alkoxy group (ether)
A
R-O-R’
13
Q
thiols
A
R-SH
resonance with
R-S -
14
Q
thioethers
A
R-S-R’
15
Q
Fluorine
A
F
16
Q
trifluoromethyl
A
CF3
17
Q
halogens
A
Cl
Br
I
18
Q
hydroxy group in alcohol
A
alkyl-OH
19
Q
hydroxy group in phenols
A
aryl-OH
resonance with
aryl-O -
20
Q
hetero aromatics - electron rich
A
6 ring + 5 ring with NH in ring
and
6 ring with -OH
21
Q
hetero aromatics - electron poor
A
6 ring with -EWG
and
6 ring with X in ring
