a. How many signals does this compound have in the 13C NMR spectrum? b. The 13C NMR spectrum for methyl propanoate, CH;CH2COOCH3, is given below. Decide which carbon atoms in the methyl propanoate are for each of the lines in the spectrum. 200 180 160 140 120 100 80 60 40 20 CDS-00-143 ppm

Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter13: Structure Determination: Nuclear Magnetic Resonance Spectroscopy
Section13.8: More Complex Spin–spin Splitting Patterns
Problem 15P: 3-Bromo-1-phenyl-1-propene shows a complex NMR spectrum in which the vinylic proton at C2 is coupled...
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a. How many signals does this compound have in the 13C NMR spectrum?
b. The 13C NMR spectrum for methyl propanoate, CH;CH2COOCH3, is given below. Decide
which carbon atoms in the methyl propanoate are for each of the lines in the spectrum.
200
180
160
140
120
100
80
60
40
20
ppm
CDS-00-143
Transcribed Image Text:a. How many signals does this compound have in the 13C NMR spectrum? b. The 13C NMR spectrum for methyl propanoate, CH;CH2COOCH3, is given below. Decide which carbon atoms in the methyl propanoate are for each of the lines in the spectrum. 200 180 160 140 120 100 80 60 40 20 ppm CDS-00-143
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