CH3 CH H3C CH3 H OH H3C- -OCH2CH3 H3C H -OCH3 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. 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 protons it represents. of letter δ value splitting # of protons 3. Redraw the compound and label equivalent sets of carbons with lower-case letters. Then for each set of carbons give the 5 value and # of carbons it represents. letter δ value # of carbons

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
ChapterL4: Proton (1h) Nmr Spectroscopy
Section: Chapter Questions
Problem 3E: Here are proton NMR data for 1-bromopropane: Ha : triplet (2H) 3.32ppm; Hb : multiplet (2H)1.81ppm;...
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CH3
CH
H3C
CH3
H
OH
H3C-
-OCH2CH3
H3C
H
-OCH3
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.
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
protons it represents.
of
letter
δ value
splitting
# of protons
3. Redraw the compound and label equivalent sets of carbons with lower-case
letters.
Then for each set of carbons give the 5 value and # of carbons it represents.
letter
δ value
# of carbons
Transcribed Image Text:CH3 CH H3C CH3 H OH H3C- -OCH2CH3 H3C H -OCH3 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. 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 protons it represents. of letter δ value splitting # of protons 3. Redraw the compound and label equivalent sets of carbons with lower-case letters. Then for each set of carbons give the 5 value and # of carbons it represents. letter δ value # of carbons
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