4. For the following compounds determine i) HDI (degrees of unsaturation), ii) diagnostic IR bands (approx. wavenumber (cm-') with their corresponding structural feature; iii) number of 'H NMR signals; iv) number of l13C NMR signals; v) Circle any protons that would produce a singlet in the 'H NMR. CH, COOCH, CH3 "COOCH 3 H;C, a) CH3 b) H,C CH,
4. For the following compounds determine i) HDI (degrees of unsaturation), ii) diagnostic IR bands (approx. wavenumber (cm-') with their corresponding structural feature; iii) number of 'H NMR signals; iv) number of l13C NMR signals; v) Circle any protons that would produce a singlet in the 'H NMR. CH, COOCH, CH3 "COOCH 3 H;C, a) CH3 b) H,C CH,
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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Transcribed Image Text:4. For the following compounds determine i) HDI (degrees of unsaturation), ii) diagnostic IR bands
(approx. wavenumber (cm-') with their corresponding structural feature; iii) number of 'H NMR signals;
iv) number of 13C NMR signals; v) Circle any protons that would produce a singlet in the 'H NMR.
CH,
CH3
COOCH ,
CH,
COOCH 3
H,C.
a)
CH3
b) H,C-
CH3
d) In any of the three compounds in parts a), b) and c), locate and label: i) homotopic protons not on the
same carbon atom, and ii) a pair of enantiotopic protons.
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Step 1
To find:
i) HDI (degrees of unsaturation),
ii) diagnostic IR bands (approx. wavenumber (cm-¹) with their corresponding structural feature;
iii) number of ¹H NMR signals;
iv) number of ¹3C NMR signals;
v) Circle any protons that would produce a singlet in the ¹H NMR.
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