The NMR spectra for compound 1 were acquired in a 7.5 mg / 0.6 mL solution of CDCl3 .. The 1H and 13C peaks are also listed below. Provide a full analysis of the NMR spectra for compound 1. 1H NMR (400 MHz, CDCl3) δ 7.73 (d, J = 9.5 Hz, 1H), 7.56 (ddd, J = 8.5, 7.5, 1.6 Hz, 1H), 7.51 (dd, J = 7.5, 1.6 Hz, 1H), 7.36 (d, J = 8.5 Hz, 1H), 7.30 (dd, J = 8.5, 7.5 Hz, 1H), 6.45 (d, J = 9.5 Hz, 1H). 13C NMR (101 MHz, CDCl3) δ 160.79, 154.09, 143.43, 131.85, 127.87, 124.44, 118.86, 116.94, 116.74. Include: correct assignment of NMR spectra of 1H spectra. correct rationalisation of 1H spectrum
The NMR spectra for compound 1 were acquired in a 7.5 mg / 0.6 mL solution of CDCl3 .. The 1H and 13C peaks are also listed below. Provide a full analysis of the NMR spectra for compound 1. 1H NMR (400 MHz, CDCl3) δ 7.73 (d, J = 9.5 Hz, 1H), 7.56 (ddd, J = 8.5, 7.5, 1.6 Hz, 1H), 7.51 (dd, J = 7.5, 1.6 Hz, 1H), 7.36 (d, J = 8.5 Hz, 1H), 7.30 (dd, J = 8.5, 7.5 Hz, 1H), 6.45 (d, J = 9.5 Hz, 1H). 13C NMR (101 MHz, CDCl3) δ 160.79, 154.09, 143.43, 131.85, 127.87, 124.44, 118.86, 116.94, 116.74. Include: correct assignment of NMR spectra of 1H spectra. correct rationalisation of 1H spectrum
Chemistry
10th Edition
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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Question
The NMR spectra for compound 1 were acquired in a 7.5 mg / 0.6 mL solution of
CDCl3 .. The 1H and 13C peaks are also listed
below. Provide a full analysis of the NMR spectra for compound 1.
1H NMR (400 MHz, CDCl3) δ 7.73 (d, J = 9.5 Hz, 1H), 7.56 (ddd, J = 8.5, 7.5, 1.6 Hz, 1H),
7.51 (dd, J = 7.5, 1.6 Hz, 1H), 7.36 (d, J = 8.5 Hz, 1H), 7.30 (dd, J = 8.5, 7.5 Hz, 1H), 6.45
(d, J = 9.5 Hz, 1H).
13C NMR (101 MHz, CDCl3) δ 160.79, 154.09, 143.43, 131.85, 127.87, 124.44, 118.86,
116.94, 116.74.
Include:
correct assignment of NMR spectra of 1H spectra.
correct rationalisation of 1H spectrum
Transcribed Image Text:1
Transcribed Image Text:1HNMR spectrum
A (d)
7.73
7.75
7.70
7.65
7.60
B (ddd) C (dd)
7.56
7.51
-66'0
7.55
0.97-
7.50
7.45
f1 (ppm)
7.40
D (d)
7.36
0.95-
7.35
E (dd)
7.30
7.30
7.25
F (d)
6.45
6.45
6.40
-8000
-7500
-7000
-6500
-6000
-5500
-5000
-4500
-4000
-3500
-3000
-2500
-2000
-1500
-1000
-500
-0
--500
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