CH3 CH3 O OH H3C- -OCH₂CH3 H₂C CH3 H₂C H For each of the above compounds, do the following: 1. List the wave numbers of all the IR bands in the 1350-4000 cm-1 region. For each one, state what bond or group it represents. H -OCH3

Organic Chemistry: A Guided Inquiry
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Author:Andrei Straumanis
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ChapterL4: Proton (1h) Nmr Spectroscopy
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CH3
CH3
O
of
OH
H3C-
protons it represents.
letter
-OCH₂CH3
For each of the above compounds, do the following:
1. List the wave numbers of all the IR bands in the 1350-4000 cm-1 region.
For each one, state what bond or group it represents.
d value
H₂C CH3
H₂C
H
splitting
2. Label equivalent sets of protons with lower-case letters. Then, for each ¹H NMR
signal, give the 8 value, the type of splitting (singlet, doublet etc.), and the number
H
# of protons
O
3. Redraw the compound and label equivalent sets of carbons with lower-case
letters.
-OCH3
Then for each set of carbons give the & value and # of carbons it represents.
letter
d value
# of carbons
Transcribed Image Text:CH3 CH3 O of OH H3C- protons it represents. letter -OCH₂CH3 For each of the above compounds, do the following: 1. List the wave numbers of all the IR bands in the 1350-4000 cm-1 region. For each one, state what bond or group it represents. d value H₂C CH3 H₂C H splitting 2. Label equivalent sets of protons with lower-case letters. Then, for each ¹H NMR signal, give the 8 value, the type of splitting (singlet, doublet etc.), and the number H # of protons O 3. Redraw the compound and label equivalent sets of carbons with lower-case letters. -OCH3 Then for each set of carbons give the & value and # of carbons it represents. letter d value # of carbons
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