-198.907 -138.974 200 195 190 185 180 175 165 135 130 125 120 115 110 36 33 -133.425 -133.890 -138.974 133.425 10 -133.890 13C NMR of Benzoin 129.104 -129.127 -128.662 128.555 -127.747 -127.747 128.662 Chloroform-d -76.182 77.035 -76.182 HO H 129.127 intensity 0.2 0.4 90 0.8 13C NMR - Benzil 200 190 180 170 160 150 140 130 120 110 100 90 80 ppm

Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter20: Carboxylic Acids And Nitriles
Section20.SE: Something Extra
Problem 67AP
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QUESTION- Label these spectra attached. Use them to discuss differences in reactant and product spectra that determine/support positive product formation.

please no general responses, be specific to peaks in the spectra attached. 

EXPERIMENT: Synthesis of Benzil - Multi-Step Synthesis Part B

benzoin + NH4NO3 ==== benzil

 

References
Lehman, J.W. Operational Organic Chemistry: A Problem- Solving Approach to the Laboratory
Course, 3 rd Ed., Prentice-Hall, Inc: New Jersey, 1999, p. 449.

-198.907
-138.974
200
195
190 185 180 175
165
135 130 125 120
115
110
36
33
-133.425
-133.890
-138.974
133.425
10
-133.890
13C NMR of Benzoin
129.104
-129.127
-128.662
128.555
-127.747
-127.747
128.662
Chloroform-d
-76.182
77.035
-76.182
HO
H
129.127
Transcribed Image Text:-198.907 -138.974 200 195 190 185 180 175 165 135 130 125 120 115 110 36 33 -133.425 -133.890 -138.974 133.425 10 -133.890 13C NMR of Benzoin 129.104 -129.127 -128.662 128.555 -127.747 -127.747 128.662 Chloroform-d -76.182 77.035 -76.182 HO H 129.127
intensity
0.2
0.4
90
0.8
13C NMR - Benzil
200
190
180
170
160
150
140
130
120
110
100
90
80
ppm
Transcribed Image Text:intensity 0.2 0.4 90 0.8 13C NMR - Benzil 200 190 180 170 160 150 140 130 120 110 100 90 80 ppm
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