6.Choose the compound that will produce the spectrum below and assign the signals as carbonyl, aryl, or alkyl.100ō (ppm)5007.200150Assign all of the protons on the spectrum below.8.AB4EC3ō (ppm)210Choose the compound that will produce the spectrum below and assign the signals to the correspondingprotons.OH6OH32104ō (ppm)

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Answered: 6. Choose the compound that will…

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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10- If 3-Bromo-1-phenyl-1-propene shows a complex NMR spectrum in which thevinylic proton at C2 is couples with both the C1 vinylic proton (J = 16 Hz) and the C3methylene protons (J = 8 Hz) Draw a tree diagram for the C2 proton signal.
Attached is the 1H NMR spec for phenylethylamine. Draw the structure of the amine on the spectrum, and identify each peak (e.g. a labeled H atom on your structure, TMS, etc.)
5. Tyrosine is an important amino acid in Biochemistry. Assign the peaks in the 'H-NMR to the hydrogens in the structure of tyrosine by placing a, b, c, and d in the appropriate corresponding boxes. The hydrogen atoms attached to O and N atoms do not need to be labeled on this spectrum. с 11 10 16 00 a H. H- H H -*|| NH₂ Tyrosine d -H ppm
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A 13C NMR spectrum is shown for a molecule with the molecular formula of C4H8O2. Draw the structure that best fits this data.
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A compound has the molecular formula: C4H8O2 and gives the following H-1 NMR spectrum. Give the functional groups responsible for the signals, which integrate as 2H, 3H and 3H (downfield to upfield). nmrsim presentation 1 1 C: Bruker TopSpin3.5p17\examdata elle 3.0000 SODEŹ quartet is CH₂, singlet is CH3 and triplet is OCH3. quartet is CH3, singlet is OCH₂ and triplet is OCH3 quartet is CH₂, singlet is OCH3 and triplet is CH3. quartet is OCH₂, singlet is CH3 and triplet is CH3. quartet is OCH₂, singlet is CH₂ and triplet is CH3. POSE (ppm) 10 [rel]
2. (Chapter 13 - Q58b) The compound whose H NMR spectrum is shown has the molecular formula C7H7B1. Follow the following questions to predict the unknown structure. Chem. shift Rel. area 2.31 1.50 701 1.00 7.35 1.00 TMS 10 7 6 O ppm 4 3 2 Chemical shift (8) e20s Cenge leaming 2(a) Degree of the unsaturation of this compound is= 2(b) The two distinct peaks in the aromatic region of the H NMR indicate that compound is .disubstituted = 2(c) The splitting pattern of the peak at 2.31 ő is = 2(d) The group that corresponds to the splitting pattern in 1(c) is = 2(e) This compound has the plane of symmetry Yes or No = 2(f) The name of the unknown compound = Intensity
18. Proton NMR spectra are given together with molecular formula. Propose a structure that corresponds to each spectrum. (Hint: Find IHD first). Assign peaks to show which protons give rise to which peaks 10 10 10 (b) C4H8O₂ Offset: 2.4 ppm (b) C₂H100 9 (c) CsHgO₂ 9 8 8 7 7 6 6 6 5 8 (ppm) OHz 5 8 (ppm) 4 3.08 2.98 2.88 2.78 8 (ppm) 50Hz 4 4 3 2 1 0 0

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