How many unique 1h nmr and 13c nmr signals exist for each compound?

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Janessa Cantu

Chemistry

3 February, 06:02

How many unique 1h nmr and 13c nmr signals exist for each compound?

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Chump · Answer 1

The structures along with their codes are given below.

For Compound A:

# of ¹H signals: 3 (as both side chains from carbonyl positions are same)

# of ¹³C signals: 4

For Compound B:

# of ¹H signals: 3 (the two methyl groups of isopropyl are equivalent)

# of ¹³C signals: 4

For Compound C:

# of ¹H signals: 2 (as both side chains from carbonyl positions are same)

# of ¹³C signals: 3

For Compound D:

# of ¹H signals: 3

# of ¹³C signals: 4