N
X
C
Hal
O
N
S
P Si
Natural
Products
Solvents
C
C
C
C C
C
4.11 Carbonyl Compounds
137
13 C Chemical Shifts of Halogenated Aliphatic Ketones (δ in ppm)
13 C Chemical Shifts of Cyclic Ketones and Quinones (δ in ppm)
H 3 C
O
Br
Br
Br
H 3 C
O
Br
Br
H 3 C
O
Br
H 3 C
O
Cl
Cl
Cl
H 3 C
O
Cl
Cl
H 3 C
O
Cl
H 3 C
O
F
F
F
H 3 C
O
F
F
H 3 C
O
F
O
O
O
O
F
F
F
F
F
F
O
Cl
Cl
Cl
Cl
Cl
Cl
203.5
200.1
199.0
187.5
186.3
187.5
172.9
175.5
208.9
155.1
158.3
134.2
129.9
127.3
136.4
130.8
133.7
126.2
131.8
139.7
138.5
150.6
156.7
165.3
219.1
209.8
209.7
199.0
214.9
185.8
187.0
180.4
184.7
115.6
96.5
115.6
114.4
90.2
47.8
34.0
38.2
22.9
29.1
38.2
41.5
43.9
24.5
30.6
26.6
24.6
25.8
26.7
37.9
23.4
9.9
197.4
193.6
203.5
25.1
27.2
27.0
23.1
21.1
23.1
23.4
22.1
25.1
84.9
109.8
70.2
84.9
49.4
35.5
O
O
O
O
O
O
O
O
O
O
O