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Propose structures for compounds X, Y, and Z:
The
FIGURE 20.7 The
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Organic Chemistry
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- An unknown compound A has the molecular formula C4H3O2. Based on the following H NMR spectrum, what is the structure of compound A? | зн |3H | 2H 11 10 7. 6 3 1 Select one: OHarrow_forwardCompound B has molecular formula C9H12. It shows five signals in the 1H-NMR spectrum - a doublet of integral 6 at 1.22 ppm, a septet of integral 1 at 2.86 ppm, a singlet of integral 1 at 5.34 ppm, a doublet of integral 2 at 6.70 ppm, and a doublet of integral 2 at 7.03 ppm. The 13C-NMR spectrum of B shows six unique signals (23.9, 34.0, 115.7, 128.7, 148.9, and 157.4). Identify B and explain your reasoning.arrow_forwardA ¹H NMR spectrum is shown for a molecule with the molecular formula of C9H1002. Draw the structure that best fits this data. 11 10 1H 9 2H 8 2H 7 6 2H 5 4 3 2 3H ppm Qarrow_forward
- Propose the structure of the following alcohol? Molecular formula C5H12O The following peaks are found in proton NMR spectrum 0.91 δ (3H, triplet) 1.19 δ (6Η, singlet) 1.50 δ (2H, quartet) 2.0 δ (1H, singlet)arrow_forward11 10 9 8 7 9 +6 5 -3 2 1 ppmarrow_forwardIdentify each compound from its molecular formula and its 1H NMR spectrum: C9H12arrow_forward
- Answer the following questions: a) Draw the expected ¹H NMR spectrum of the following compound: b) The acid-catalyzed dehydration of 1-methylcyclohexanol yields a mixture of two alkenes (A and B). How could you use ¹H NMR to help you decide which was which? CH3 xă H₂O* A CH₂ + B CH3arrow_forwardThe 'H NMR and 13C spectra of a compound with a molecular formula of C6H12O2 are shown below. 1. Name the compound in the textbox below. 2. Draw a possible structure for this compound. 1Η NMR 2H 2H 2H 3HPPM 3H 13C NMR 220 200 100 140 100 120 PPMarrow_forwardAn unknown compound, C4H10O gave the following proton NMR data: Singlet at 3.32 ppm (3H) Triplet at 0.94 ppm (3H) Triplet at 3.35 ppm (2H) Multiplet 1.47 ppm (2H) What is the structure of the compound?arrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning