Q-1. questions: Study the structure of this molecule and answer the following 7 10 8 i) How many different 1°C-NMR signals you would expect? ii) Which one of the two-carbonyl carbons (C-1 or C-9) has lower chemical shift than the other? Еxplain: iii) What is the chemical shift in Ivalue you would expect for C-8? iv) Which carbon atom in benzene ring is most deshielded?
Q-1. questions: Study the structure of this molecule and answer the following 7 10 8 i) How many different 1°C-NMR signals you would expect? ii) Which one of the two-carbonyl carbons (C-1 or C-9) has lower chemical shift than the other? Еxplain: iii) What is the chemical shift in Ivalue you would expect for C-8? iv) Which carbon atom in benzene ring is most deshielded?
Chapter13: Structure Determination: Nuclear Magnetic Resonance Spectroscopy
Section13.SE: Something Extra
Problem 46AP
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![Q-1.
questions:
Study the structure of this molecule and answer the following
7
10
8
i)
How many different 1C-NMR signals yõu would expect?
ii)
Which one of the two-carbonyl carbons (C-1 or C-9) has lower
chemical shift than the other?
Еxplain:
iii)
What is the chemical shift in Ivalue you would expect for C-8?
iv)
Which carbon atom in benzene ring is most deshielded?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F155fa4e8-fee4-4153-b2be-31f438bb46d8%2Fdb212ab2-2f46-477e-a097-987d5e7685a4%2Fp5sy1e_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q-1.
questions:
Study the structure of this molecule and answer the following
7
10
8
i)
How many different 1C-NMR signals yõu would expect?
ii)
Which one of the two-carbonyl carbons (C-1 or C-9) has lower
chemical shift than the other?
Еxplain:
iii)
What is the chemical shift in Ivalue you would expect for C-8?
iv)
Which carbon atom in benzene ring is most deshielded?
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