this is a witiig lab. starting agents are 9-anthracene-carboxaldehyde and benzyltriphenylphosphorium. the product is trans-9-(2-phenylethanyl)anthracene.

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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this is a witiig lab. starting agents are 9-anthracene-carboxaldehyde and benzyltriphenylphosphorium. the product is trans-9-(2-phenylethanyl)anthracene.

3) Does your 'H NMR show any leftover aldehyde starting material? When alkenes are conjugated to
aromatic rings, the protons shift downward. Which signals do you think is resulting from the alkene
protons? Some signals may be overlapping.
Transcribed Image Text:3) Does your 'H NMR show any leftover aldehyde starting material? When alkenes are conjugated to aromatic rings, the protons shift downward. Which signals do you think is resulting from the alkene protons? Some signals may be overlapping.
1.00
8.04
0.00
0.00
14
12
10
2
-2 PPM
USER: Sofiia an- DATE: 03/21/22 (14:57)
OFI: 540.0
INA: 16
PTSI4: 8192
SWI: 1578
PW: 12.6 us
G.ppe
PD: 3.0 sec
LB: 0.0
699'6
9.274
960'6
- 8.780
8 731
299 8
8.513
8.118
69L7
1:261
Transcribed Image Text:1.00 8.04 0.00 0.00 14 12 10 2 -2 PPM USER: Sofiia an- DATE: 03/21/22 (14:57) OFI: 540.0 INA: 16 PTSI4: 8192 SWI: 1578 PW: 12.6 us G.ppe PD: 3.0 sec LB: 0.0 699'6 9.274 960'6 - 8.780 8 731 299 8 8.513 8.118 69L7 1:261
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