Q3. Identify which of the following compounds could have the ¹3C NMR spectrum shown (Hint: Careful using counting alone - peaks can overlap or be diastereotopic in ¹3C NMR just like in ¹H NMR): Me Н' 225 -221.44 Me Me 221 220 219 218 217 216 f1 (ppm) www. H Me -47.37 Me Me -a -39.65 <-32.94 -29.64 20 -25.52 20 -20.02 -19.72 <-18.73 18.22 SEIZ 16 H & & B H

Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter14: Mass Spectrometry
Section: Chapter Questions
Problem 14.28P: Following is the mass spectrum of 3-methyl-2-butanol. The molecular ion m/z 88 does not appear in...
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Q3. Identify which of the following compounds could have the ¹³C NMR spectrum shown (Hint: Careful
using counting alone - peaks can overlap or be diastereotopic in 13C NMR just like in ¹H NMR):
70
Me
69
Н'
225 224 223 222 221 220 219 218 217 216
(1 (ppm)
66
64
<-221.44
Me
62
Me
60
58
56
H
54
52 50
Me
48
46
Me
44
Me
42
40
-39.65
38
36
www
34
<-32.94
32
30
28
W
26
24 22 20
20.02
<<-19.72
-18.73
18.22
18
16
میں مل
H
Transcribed Image Text:Q3. Identify which of the following compounds could have the ¹³C NMR spectrum shown (Hint: Careful using counting alone - peaks can overlap or be diastereotopic in 13C NMR just like in ¹H NMR): 70 Me 69 Н' 225 224 223 222 221 220 219 218 217 216 (1 (ppm) 66 64 <-221.44 Me 62 Me 60 58 56 H 54 52 50 Me 48 46 Me 44 Me 42 40 -39.65 38 36 www 34 <-32.94 32 30 28 W 26 24 22 20 20.02 <<-19.72 -18.73 18.22 18 16 میں مل H
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