C5H12O MW = 88.15

1
C5H12O MW 88.15
2
C5H12O MW 88.15
3
C5H12O MW 88.15
4
C5H12O MW 88.15
5
Solve the structure with no further information
6
Solve the structure with no further information
Two equally sized peaks That differ by 2 units
Bromine
7
Solve the structure with no further information
Two equally sized peaks That differ by 2 units
Bromine
M81
M79
8
Solve the structure with no further information
Two equally sized peaks That differ by 2 units
Bromine
M81
M79
9
Solve the structure with no further information
Two equally sized peaks That differ by 2 units
Bromine
M81
M79
10
C9H10O
IHD5
11
C9H10O
IHD5
12
C9H10O
IHD5
MCH3
13
C9H10O
IHD5
MCH3
The above fragments account for C8H10
14
C9H10O
IHD5
MCH3
The above fragments account for C8H10
15
C9H10O
IHD5
MCH3
The above fragments account for C8H10
16
C9H10O
IHD5
MCH3
The above fragments account for C8H10
17
(No Transcript)
18
(No Transcript)
19
(No Transcript)
20
(No Transcript)
21
43
A
57
72
29
113
85
142
1
B
43
71
99
58
2
86
142
22
43
A
B
43
57
72
71
29
113
99
58
85
86
142
142
23
43
A
B
43
57
72
71
29
113
99
58
85
86
142
142
24
43
A
B
43
57
72
71
29
113
99
58
85
86
142
142
25
43
A
B
43
57
72
71
29
113
99
58
85
86
142
142
McLafferty rearrangement
26
43
A
B
43
57
72
71
29
113
99
58
85
86
142
142
McLafferty rearrangement
27
43
A
B
43
57
1
72
71
29
113
99
58
85
86
142
142
McLafferty rearrangement
28
43
43
57
72
71
29
113
99
58
85
86
142
142
29
43
43
57
72
71
29
113
99
58
85
86
142
142
30
43
43
57
72
71
29
113
99
58
85
86
142
142
McLafferty rearrangement
31
43
43
57
72
71
29
113
99
58
85
86
142
142
McLafferty rearrangement
Double McLafferty rearrangement
32
43
43
57
72
71
29
113
99
58
85
86
142
142
McLafferty rearrangement
Double McLafferty rearrangement
33
UV-Vis problems
a,b-unsaturated ketone Table 7.12
34
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 202 nm
35
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 202 nm a-hydroxy group 35 nm
36
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 202 nm a-hydroxy group 35
nm b-alkyl group 12 nm
37
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 202 nm a-hydroxy group 35
nm b-alkyl group 12 nm
249 nm
38
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 202 nm a-hydroxy group 35
nm b-alkyl group 12 nm
Base value 215 nm
249 nm
39
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 202 nm a-hydroxy group 35
nm b-alkyl group 12 nm
Base value 215 nm a-alkyl group 10 nm
249 nm
40
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 202 nm a-hydroxy group 35
nm b-alkyl group 12 nm
Base value 215 nm a-alkyl group 10 nm b-alkyl
group 12 nm
249 nm
41
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 202 nm a-hydroxy group 35
nm b-alkyl group 12 nm
Base value 215 nm a-alkyl group 10 nm b-alkyl
group 12 nm
249 nm
237 nm
42
UV-Vis problems
a,b-unsaturated ketone Table 7.12
43
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm
44
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm a-alkyl group 10 nm
45
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm a-alkyl group 10 nm Two
b-alkyl groups 24 nm
46
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm a-alkyl group 10 nm Two
b-alkyl groups 24 nm Two exocyclic double
bonds 10 nm
47
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm a-alkyl group 10 nm Two
b-alkyl groups 24 nm Two exocyclic double
bonds 10 nm
259 nm
48
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm a-alkyl group 10 nm Two
b-alkyl groups 24 nm Two exocyclic double
bonds 10 nm
259 nm
49
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm
Base value 215 nm a-alkyl group 10 nm Two
b-alkyl groups 24 nm Two exocyclic double
bonds 10 nm
259 nm
50
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm b-hydroxy group 30 nm
Base value 215 nm a-alkyl group 10 nm Two
b-alkyl groups 24 nm Two exocyclic double
bonds 10 nm
259 nm
51
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm b-hydroxy group 30
nm b-alkyl group 12 nm
Base value 215 nm a-alkyl group 10 nm Two
b-alkyl groups 24 nm Two exocyclic double
bonds 10 nm
259 nm
52
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm b-hydroxy group 30
nm b-alkyl group 12 nm
Base value 215 nm a-alkyl group 10 nm Two
b-alkyl groups 24 nm Two exocyclic double
bonds 10 nm
257 nm
259 nm
53
UV-Vis problems
54
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm
55
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm Double bond Extending
conjug. 30 nm
56
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm Double bond Extending
conjug. 30 nm b-alkyl group 12 nm
57
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm Double bond Extending
conjug. 30 nm b-alkyl group 12 nm g-alkyl
group 18 nm
58
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm Double bond Extending
conjug. 30 nm b-alkyl group 12 nm g-alkyl
group 18 nm gtg-alkyl group 18 nm
59
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm Double bond Extending
conjug. 30 nm b-alkyl group 12 nm g-alkyl
group 18 nm gtg-alkyl group 18 nm Two exocyclic
double bonds 10 nm
60
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm Double bond Extending
conjug. 30 nm b-alkyl group 12 nm g-alkyl
group 18 nm gtg-alkyl group 18 nm Two exocyclic
double bonds 10 nm
303 nm
61
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm Double bond Extending
conjug. 30 nm b-alkyl group 12 nm g-alkyl
group 18 nm gtg-alkyl group 18 nm Two exocyclic
double bonds 10 nm
303 nm
62
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm
Base value 215 nm Double bond Extending
conjug. 30 nm b-alkyl group 12 nm g-alkyl
group 18 nm gtg-alkyl group 18 nm Two exocyclic
double bonds 10 nm
303 nm
63
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm a-alkyl group 10 nm
Base value 215 nm Double bond Extending
conjug. 30 nm b-alkyl group 12 nm g-alkyl
group 18 nm gtg-alkyl group 18 nm Two exocyclic
double bonds 10 nm
303 nm
64
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm a-alkyl group 10 nm 2
b-alkyl groups 24 nm
Base value 215 nm Double bond Extending
conjug. 30 nm b-alkyl group 12 nm g-alkyl
group 18 nm gtg-alkyl group 18 nm Two exocyclic
double bonds 10 nm

303 nm
65
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm a-alkyl group 10 nm 2
b-alkyl groups 24 nm
Base value 215 nm Double bond Extending
conjug. 30 nm b-alkyl group 12 nm g-alkyl
group 18 nm gtg-alkyl group 18 nm Two exocyclic
double bonds 10 nm

249 nm
303 nm
66
UV-Vis problems
a,b-unsaturated ketone Table 7.12
67
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 202 nm
68
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 202 nm a-alkyl group 10 nm
69
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 202 nm a-alkyl group 10 nm Two
b-alkyl groups 24 nm
70
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 202 nm a-alkyl group 10 nm Two
b-alkyl groups 24 nm exocyclic double bond 5
nm
71
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 202 nm a-alkyl group 10 nm Two
b-alkyl groups 24 nm exocyclic double bond 5
nm
241 nm
72
UV-Vis problems
73
UV-Vis problems
74
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm
75
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm a-alkoxy (OMe) 35 nm
76
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm a-alkoxy (OMe) 35
nm b-alkoxy (OMe) 30 nm
77
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm a-alkoxy (OMe) 35
nm b-alkoxy (OMe) 30 nm Double bond Extending
conj 30 nm
78
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm a-alkoxy (OMe) 35
nm b-alkoxy (OMe) 30 nm Double bond Extending
conj 30 nm gtg alkyl group 18 nm
79
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm a-alkoxy (OMe) 35
nm b-alkoxy (OMe) 30 nm Double bond extending
conj 30 nm gtg alkyl group 18 nm Homodiene 39
nm

80
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 215 nm a-alkoxy (OMe) 35
nm b-alkoxy (OMe) 30 nm Double bond extending
conj 30 nm gtg alkyl group 18 nm Homodiene 39
nm
367 nm
81
UV-Vis problems
triene Table 7.5
82
UV-Vis problems
triene Table 7.5
Base value (heteroannular diene) 214 nm
83
UV-Vis problems
triene Table 7.5
Base value (heteroannular diene) 214 nm Double
bond extending conjugation 30 nm
84
UV-Vis problems
triene Table 7.5
Base value (heteroannular diene) 214 nm Double
bond extending conjugation 30 nm Oalk
group 6 nm
85
UV-Vis problems
triene Table 7.5
Base value (heteroannular diene) 214 nm Double
bond extending conjugation 30 nm Oalk
group 6 nm N(Alk)2 60 nm
86
UV-Vis problems
triene Table 7.5
Base value (heteroannular diene) 214 nm Double
bond extending conjugation 30 nm Oalk
group 6 nm N(Alk)2 60 nm 5 alkyl
residues 25 nm
87
UV-Vis problems
triene Table 7.5
Base value (heteroannular diene) 214 nm Double
bond extending conjugation 30 nm Oalk
group 6 nm N(Alk)2 60 nm 5 alkyl
residues 25 nm 4 exocyclic double bonds 20 nm
88
UV-Vis problems
triene Table 7.5
Base value (heteroannular diene) 214 nm Double
bond extending conjugation 30 nm Oalk
group 6 nm N(Alk)2 60 nm 5 alkyl
residues 25 nm 4 exocyclic double bonds 20 nm
355 nm
89
UV-Vis problems


90
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 202 nm
91
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 202 nm Extended conjugation 30
nm
92
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 202 nm Extended conjugation 30
nm b-NR2 95 nm
93
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 202 nm Extended conjugation 30
nm b-NR2 95 nm d-OAc 6 nm
94
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 202 nm Extended conjugation 30
nm b-NR2 95 nm d-OAc 6 nm 2 g and higher
alkyls 36 nm

95
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 202 nm Extended conjugation 30
nm b-NR2 95 nm d-OAc 6 nm 2 g and higher
alkyls 36 nm Two exocyclic olefins 10 nm

96
UV-Vis problems
a,b-unsaturated ketone Table 7.12
Base value 202 nm Extended conjugation 30
nm b-NR2 95 nm d-OAc 6 nm 2 g and higher
alkyls 36 nm Two exocyclic olefins 10 nm
379 nm