Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm¹ ¹H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (/-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an important part of the spectrum. Mass Spectrometry (not shown): [M] = 158 m/z Infrared Spectroscopy (not shown): 2982, 1731, 1717, 1149 cm² ¹H Nuclear Magnetic Resonance. "C Nuclear Magnetic Resonance. 220 2H 200 180 160 140 3H PPM 120 100 9H 80 8 8 20
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm¹ ¹H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (/-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an important part of the spectrum. Mass Spectrometry (not shown): [M] = 158 m/z Infrared Spectroscopy (not shown): 2982, 1731, 1717, 1149 cm² ¹H Nuclear Magnetic Resonance. "C Nuclear Magnetic Resonance. 220 2H 200 180 160 140 3H PPM 120 100 9H 80 8 8 20
Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
ChapterL2: Mass Spectrometry
Section: Chapter Questions
Problem 3E
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Question
determine the chemical structure and name the structure.
![Information: Each spectra below was obtained from a pure compound.
Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm¹
¹H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (/-values) are listed next to
the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an important part of the spectrum.
Mass Spectrometry (not shown): [M] = 158 m/z
Infrared Spectroscopy (not shown): 2982, 1731, 1717, 1149 cm³¹
¹H Nuclear Magnetic Resonance.
1³C Nuclear Magnetic Resonance.
220
2H
200
180
160
140
2
3H PPM
120
PPM
100
9H
80
60
40
8
o](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb5f1630e-c465-44f2-a868-b429d99d07e1%2Fc26e9845-e131-4c9b-88ab-6c46b846eeb1%2Fdkv3h88_processed.png&w=3840&q=75)
Transcribed Image Text:Information: Each spectra below was obtained from a pure compound.
Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm¹
¹H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (/-values) are listed next to
the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an important part of the spectrum.
Mass Spectrometry (not shown): [M] = 158 m/z
Infrared Spectroscopy (not shown): 2982, 1731, 1717, 1149 cm³¹
¹H Nuclear Magnetic Resonance.
1³C Nuclear Magnetic Resonance.
220
2H
200
180
160
140
2
3H PPM
120
PPM
100
9H
80
60
40
8
o
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Follow-up Question
So which way do you write it? Like this or this? Also, what is the name of the structure.
![N
مهلا
Methyl-4,4-dimethyl-3-oxopentanoate](https://content.bartleby.com/qna-images/question/b5f1630e-c465-44f2-a868-b429d99d07e1/7ad3af68-61c1-4f75-8867-2f3cb8fb2057/2dpj2zoe_thumbnail.png)
Transcribed Image Text:N
مهلا
Methyl-4,4-dimethyl-3-oxopentanoate
![ChemNMR ¹3³C Estimation
30.3
220
200.4
H3C
50.6
28.7
CH3
81.8-CH328.7
H₂ 166.4
CH3
28.7
200 180 160 140 120 100
PPM
80
60
40
20](https://content.bartleby.com/qna-images/question/b5f1630e-c465-44f2-a868-b429d99d07e1/7ad3af68-61c1-4f75-8867-2f3cb8fb2057/f0e5clj_thumbnail.png)
Transcribed Image Text:ChemNMR ¹3³C Estimation
30.3
220
200.4
H3C
50.6
28.7
CH3
81.8-CH328.7
H₂ 166.4
CH3
28.7
200 180 160 140 120 100
PPM
80
60
40
20
Solution
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